【コンクリート道路橋施工便覧】【Ａ5 判 522 頁 本体価格 8，000 円】
昭和 59 年 2 月 10 日初 版第 1 刷発行
平成 10 年 1 月 20 日改訂版第 1 刷発行
令和 2 年 9 月 29 日改訂版第 1 刷発行
令和 4 年 10 月 14 日
第 3 刷発行

目
第１章 総
1. 1

一

次

説 ······································································································ 1

般 ·········································································································································· 1

1. 1. 1

本書の適用範囲 ··························································································································· 1

1. 1. 2

関連する法令 ······························································································································ 2

1. 2

コンクリート橋の施工···················································································································· 4

1. 2. 1一

1. 2. 2

コンクリート橋施工時の配慮事項 ····························································································· 4

1. 3

般 ······································································································································ 4

施工着手前に確認しておく事項····································································································· 8

1. 3. 1

施工に関する図書 ······················································································································· 8

1. 3. 2

材料及びその性質 ······················································································································· 9

1. 3. 3

プレストレッシングに関する事項 ····························································································· 9

1. 3. 4

品質管理 ····································································································································· 10

1. 3. 5

施工上必要な予備計算 ·············································································································· 10

1. 3. 6

現場条件に対する配慮及び調査 ······························································································· 10

1. 4

参考図書の取扱い ·························································································································· 11

第２章 施工要領書···································································································12
2. 1

一般 ········································································································································· 12

2. 1. 1

施工要領書の目的 ······················································································································ 12

2. 1. 2

施工要領書の記載事項 ·············································································································· 12

2. 1. 3設計の前提条件の確認 ·············································································································· 13

2. 1. 4

調2. 2

査 ····································································································································· 14

施工要領書の作成にあたっての留意点 ························································································ 16

2. 2. 1

技術管理計画 ····························································································································· 16

2. 2. 2

材

料 ····································································································································· 27

2. 2. 3製

作 ····································································································································· 29

2. 2. 4

架設 ····································································································································· 30

2. 2. 5

仮設備計画 ································································································································· 32

2. 2. 6

機械計画································································································································· 35

2. 2. 7

輸送計画································································································································· 37

2. 2. 8

安全衛生計画·························································································································· 37

2. 2. 9

工程管理計画·························································································································· 42

2. 2. 10

環境対策····························································································································· 47

第３章 検

査

·································································································49

3. 1

一

般

··································································································································· 49

3. 2

材

料

··································································································································· 50

3. 2. 1

コンクリート材料

3. 2. 2

コンクリート3. 2. 3グラウト······························································································································· 57

3. 2. 4鋼······························································································································· 57

3. 2. 5シース

3. 2. 6

定着具及び接続具

3. 2. 7

接着剤··································································································································· 61

工··································································································································· 61

3. 3. 1

準備工··································································································································· 61

3. 3. 2

支保工··································································································································· 62

3. 3. 3型枠工··································································································································· 62

3. 3. 4

足場工··································································································································· 63

3. 3. 5

鉄筋工··································································································································· 63

3. 3. 6

PC 鋼材工3. 3. 7

コンクリート工

3. 3. 8緊張工

3. 3. 9

グラウト工

3. 3

施

材

················································································································ 50························································································································ 53··································································································································· 58················································································································ 61···························································································································· 65···················································································································· 66··································································································································· 66···························································································································· 66

3. 4

プレキャスト部材

3. 5

完成した橋

···················································································································· 66·································································································································· 67

第４章 施工に関する記録の保存
4. 1

一

般

4. 2

記録として残すべき事項について··········································································69····································································································································· 69································································································································································································································································ 70
4. 2. 1

完成時の緒元，配置図，構造図···························································································· 70

4. 2. 2

仮設備の配置とその能力，施工方法，使用した機械器具

4. 2. 3

検査記録·················································· 70································································································································· 71

4. 2. 4

環境対策及び安全対策に関する記録···················································································· 72

4. 2. 5

施工中に変更を行った事項とその対応················································································ 72

4. 2. 6施工に際して実施された調査の記録···················································································· 72

4. 2. 7

その他関連する施工及び維持管理に引き継ぐべき事項

4. 2. 8

写真管理

第5章 材

································································································································· 73

料般······················································ 72

5. 1

一

5. 2

コンクリート····································································································75····································································································································· 75······························································································································ 78

5. 2. 1

一般································································································································· 78

5. 2. 2

使用材料································································································································· 79

5. 2. 3

配合································································································································· 83

5. 2. 4

配合強度································································································································· 85

5. 2. 5スランプ································································································································· 85

5. 2. 6

水セメント比5. 2. 7

単位水量

5. 2. 8

単位セメント量5. 2. 9空気量5. 2. 10

細骨材率·························································································································· 86································································································································· 86······················································································································ 87····································································································································· 88··································································································································································································································································································· 88
5. 2. 11

粗骨材の最大寸法················································································································ 88

5. 2. 12

塩化物イオン量···················································································································· 89

5. 2. 13配合の表し方························································································································ 89

5. 3

鉄

筋

····································································································································· 90

5. 3. 1

一5. 3. 2

鉄筋の種類と品質

5. 4

般P C 鋼材································································································································· 90·················································································································· 90····································································································································· 92

5. 4. 1

一5. 4. 2PC 鋼材の種類と品質

5. 4. 3PC 鋼材のリラクセーション

5. 4. 4

PC 鋼材のヤング係数

5. 4. 5

PC 鋼材の腐食

5. 4. 6

PC 鋼材の曲げ配置による影響···························································································· 97

5. 4. 7

PC 鋼材に対する温度の影響································································································ 97

5. 4. 8

防食性を有する緊張材

5. 5

シース

5. 5. 1

一般································································································································· 92··········································································································· 93································································································ 95··········································································································· 96······················································································································· 96··········································································································· 98········································································································································· 99
般································································································································· 99

5. 5. 2

鋼製シース····························································································································· 99

5. 5. 3

プラスチック製シース··········································································································· 99

5. 6PC 鋼材の定着具及び接続具

5. 7

グラウト

··································································································· 100···································································································································· 101

5. 7. 1

一5. 7. 2

グラウトの品質····················································································································· 102

5. 7. 3

グラウト材料························································································································· 103

5. 8

般

································································································································ 101

プレグラウトされたPC 鋼材··································································································· 105

5. 8. 1

一般································································································································ 105

5. 8. 2P C 鋼材································································································································ 105

5. 8. 3

樹脂・グラウト5. 8. 4被覆材····················································································································· 106···································································································································· 106

5. 9

接着剤

········································································································································ 107

5. 10

レディーミクストコンクリート····························································································· 107

5. 10. 1

一

5. 10. 2

工場の選定

5. 10. 3

品質についての指定

5. 10. 4

受入れ

5. 10. 5

計量及び練混ぜ5. 11

般······························································································································ 107··········································································································· 108·································································································································· 110··················································································································· 110

コンクリート塗装用材料

5. 11. 1

一

5. 11. 2

塗膜系材料

般

第6章 架設工
6. 1·························································································································· 108

一般········································································································ 112······························································································································ 112·························································································································· 112······································································································· 113···································································································································· 113

6. 1. 1

架設工に関する一般的事項

6. 1. 2架設工法の分類····················································································································· 114

6. 1. 3架設工法の選定····················································································································· 114

6. 1. 4設計の前提条件を満足する施工条件の選定

6. 2

プレキャスト桁架設工法········································································ 125·········································································································· 125

6. 2. 1

一6. 2. 2

プレキャスト桁の運搬

6. 2. 3架設桁架設工法····················································································································· 134

6. 2. 4クレーン架設工法················································································································· 142

6. 3

般

·································································································· 113································································································································ 125·········································································································· 126

プレキャストセグメント架設工法

6. 3. 1

一6. 3. 2

プレキャストセグメント橋における上げ越し管理

6. 3. 3支保工式架設工法

6. 3. 4

張出架設工法6. 4

般··························································································· 146································································································································ 146················································································································· 147························································································································· 148

固定支保工式架設工法
般····························································· 147·············································································································· 155

6. 4. 1

一································································································································ 155

6. 4. 2クサビ結合式支保工架設工法

6. 4. 3はり式支保工架設工法······························································································ 156·········································································································· 158

6. 4. 4
6. 5

はり・支柱式支保工架設工法

移動支保工式架設工法·············································································································· 163

6. 5. 1

一6. 5. 2

下支え式移動支保工架設工法······························································································ 164

6. 5. 3

吊り下げ式移動支保工架設工法··························································································· 166

6. 6

般

······························································································ 161································································································································ 163

張出架設工法6. 6. 1

一6. 6. 2

移動作業車による架設工法·································································································· 168

6. 6. 3

移動式架設桁による架設工法······························································································ 178

6. 7

般

····························································································································· 167································································································································ 167

押出し架設工法

6. 7. 1

一6. 7. 2

集中式押出し架設工法

6. 7. 3分散式押出し架設

6. 8

般························································································································· 181································································································································ 181

斜張橋架設工法················································································································· 185························································································································· 186

6. 8. 1

一6. 8. 2

移動足場による主塔の架設

6. 8. 3

ケーブル保護管の架設

6. 8. 4

主塔定着構造（サドル，鋼殻）

6. 9

般

·········································································································· 183································································································································ 186

アーチ橋架設工法般·································································································· 189·········································································································· 192··························································································· 194····················································································································· 195

6. 9. 1

一6. 9. 2

セントル架設························································································································· 196

6. 9. 3

トラス張出架設····················································································································· 198

6. 9. 4

斜吊り張出架設（ピロン工法）

6. 9. 5メラン併用張出架設

6. 9. 6

ロアリング架設····················································································································· 204

6. 10

架設設備の計画······················································································································· 207

般································································································································ 195··························································································· 201············································································································· 202

6. 10. 1

一······························································································································ 207

6. 10. 2

関連法規・技術基準等

6. 10. 3

荷役設備········································································································ 208······························································································································ 208

6. 10. 4

仮設PC 鋼材

6. 10. 5

あと施工アンカー··············································································································· 210

6. 10. 6

インサートアンカー··········································································································· 211

6. 10. 7

アンカーボルト形式による定着構造の検討

6. 11

架設設計

6. 12

上げ越し管理······················································································································· 209······································································ 212·································································································································· 213

般··························································································································· 214

6. 12. 1

一······························································································································ 214

6. 12. 2

上げ越し計算6. 12. 3

上げ越し管理上の留意点······················································································································· 215

第7章 コンクリート工···································································································· 216························································································· 218

7. 1

一

般

···································································································································· 218

7. 2

運

搬

···································································································································· 218

7. 2. 1一7. 2. 2

ミキシングプラントから現場への運搬方法

7. 2. 3

現場内での小運搬7. 2. 4

コンクリートポンプの性能

7. 2. 5

コンクリートポンプを使用する場合の注意事項

7. 3

般

打込み

································································································································ 218················································································································· 220·································································································· 220································································ 221········································································································································ 222

7. 3. 1

一7. 3. 2

打込み準備

7. 3. 3

打込み箇所の点検

7. 3. 4打込み順序

7. 3. 5

打込み方法についての注意事項

7. 4········································································ 219

般締固め································································································································ 222···························································································································· 223················································································································· 224···························································································································· 225··························································································· 227········································································································································ 231

7. 4. 1

一7. 4. 2振動機の能力························································································································· 232

7. 4. 3

締固め作業···························································································································· 232

7. 5

生

養

般

································································································································ 231···································································································································· 235

7. 5. 1

一般································································································································ 235

7. 5. 2湿潤養生································································································································ 236

7. 5. 3

暑中コンクリートの養生······································································································ 237

7. 5. 4

寒中コンクリートの養生······································································································ 238

7. 5. 5

現場養生供試体

7. 6

打継目····················································································································· 240········································································································································ 240

7. 6. 1

一7. 6. 2

水平打継目の施工················································································································· 242

7. 6. 3

鉛直打継目の施工················································································································· 243

7. 6. 4

コンクリートの打設を伴うプレキャスト部材の接合部の施工

7. 7

般

································································································································ 240

マスコンクリート般·········································· 244····················································································································· 245

7. 7. 1

一································································································································ 245

7. 7. 2

材料により水和熱を下げる対策··························································································· 246

7. 7. 3

配合により水和熱を下げる対策··························································································· 246

7. 7. 4

打込み量を減らす対策

7. 7. 5

コンクリートの内外温度差を下げる対策

第8章 鉄筋工般·········································································································· 246············································································ 247······································································································· 248

8. 1

一

···································································································································· 248

8. 2

鉄筋の受入れと貯蔵

8. 3

鉄筋の加工

·················································································································· 249································································································································· 250

8. 3. 1一8. 3. 2

スターラップの加工············································································································· 251

鉄筋の組立て及び配置·············································································································· 252

8. 4

般

般

································································································································ 250

8. 4. 1

一································································································································ 252

8. 4. 2

鉄筋の結束···························································································································· 254

8. 4. 3スペーサ································································································································ 254

8. 4. 4

大気にさらされた鉄筋の防せい

8. 4. 5

鉄筋と PC 鋼材との取合い··························································································· 256·································································································· 256

8. 4. 6

定着具付近の補強鉄筋

8. 4. 7

作業用開口部の補強及び埋込金物との取合い

8. 4. 8

荷重集中点の補強················································································································· 258

鉄筋の定着及び継手·················································································································· 258

8. 5·········································································································· 257···································································· 257

8. 5. 1

一般································································································································ 258

8. 5. 2

重ね継手································································································································ 261

8. 5. 3ガス圧接継手························································································································· 262

8. 5. 4

機械式継手···························································································································· 264

8. 5. 5

鉄筋の定着···························································································································· 265

第9章 PC 鋼材工及び緊張工
般·············································································· 266

9. 1

一

···································································································································· 266

9. 2

PC 定着工法

9. 3

PC 鋼材等の取扱い上の注意事項····························································································································· 268···························································································· 269

9. 3. 1

PC 鋼材等の運搬·················································································································· 269

9. 3. 2PC 鋼材等の受入れ·············································································································· 270

9. 3. 3PC 鋼材等の保管·················································································································· 272

9. 3. 4

PC 鋼材の現場での加工

9. 3. 5

プレグラウトされたPC 鋼材の注意事項

9. 4

PC 鋼材及び鉄筋の配置······································································································· 273············································································ 274··········································································································· 276

9. 4. 1

鉄筋の組立て及び配置

9. 4. 2

シース及びPC 鋼材の配置

9. 4. 3

定着具の取付け····················································································································· 285

プレストレッシング·················································································································· 286

9. 5·········································································································· 276··································································································· 279

9. 5. 1

プレストレッシングに関する計算······················································································· 286

9. 5. 2

プレストレッシング時のコンクリートの圧縮強度

9. 5. 3

早期にプレストレスを与える場合の注意事項

9. 5. 4

プレストレッシングの準備·································································································· 291

9. 5. 5

緊張管理のための予備計算·································································································· 299····························································· 289···································································· 290

9. 6

緊張管理

···································································································································· 304

9. 6. 1

一般································································································································ 304

9. 6. 2

管理手法································································································································ 305

9. 6. 3摩擦係数をパラメータとした管理手法··············································································· 309

9. 6. 4

引張力と伸びを独立して管理する手法··············································································· 344

9. 6. 5

PC 鋼材定着部の後処理······································································································· 351

第10章 プレキャスト部材を用いた構造物の施工
10. 1

一

般

10. 2

部材の製作

················································ 352·································································································································· 352······························································································································· 353

10. 2. 1

一

10. 2. 2

施工要領書

10. 2. 3

プレキャストコンクリート桁の製作

10. 2. 4

プレキャストセグメントの製作

10. 2. 5

プレキャストセグメントT 桁橋の製作············································································· 364

10. 2. 6

プレキャストセグメント箱桁橋の製作············································································· 365

10. 2. 7

コンクリート部材の変形に関する検討············································································· 369

10. 2. 8

部材寸法の製作精度

10. 3

般

······························································································································ 353·························································································································· 355

吊上げ・運搬・保管························································································· 358··········································································································· 373················································································································ 373

10. 3. 1

吊上げ

10. 3. 2

運10. 3. 3

輸送計画書

10. 3. 4

輸送関係法令における制限

10. 3. 5

転倒防止

10. 3. 6

セグメント接合面の保護

10. 3. 7

保

10. 4················································································· 356·································································································································· 373
搬管······························································································································ 374·························································································································· 376······························································································································ 381···································································································· 381······························································································································ 381

セグメントを連結した組立工
般································································································ 376

10. 4. 1

一

10. 4. 2

セグメント組立設備································································································· 382······························································································································ 382··········································································································· 383

10. 4. 3

セグメント調整工··············································································································· 383

10. 4. 4

PC 鋼材挿入工··················································································································· 383

10. 4. 5

接着剤の塗布及び接着工

10. 4. 6

セグメント連結工··············································································································· 386

10. 4. 7

PC 鋼材緊張工··················································································································· 387

10. 4. 8

グラウト工

10. 5

···································································································· 384·························································································································· 388

プレキャスト部材の架設········································································································ 388

10. 5. 1

T 桁橋の架設······················································································································ 389

10. 5. 2

箱桁橋の架設······················································································································· 390

第11章 グラウト工······························································································ 392

11. 1

一

般

·································································································································· 392

11. 2

注入計画

·································································································································· 395

11. 2. 1

グラウト注入計画

11. 2. 2

注入・排気・排出口の設置

11. 2. 3

ステップバイステップ注入方式

11. 2. 4

グラウトホースの注入圧力と流量の設定

11. 3

施

工

··············································································································· 395································································································ 396························································································· 398·········································································· 399·································································································································· 400

11. 3. 1

施工上の注意事項

11. 3. 2

施工機器

11. 3. 3

グラウト注入前の作業と注意事項

11. 3. 4

グラウト注入作業と注意事項

11. 3. 5

グラウト注入後の作業と注意事項

11. 3. 6

寒中における施工の注意事項···························································································· 413

11. 3. 7

暑中における施工の注意事項···························································································· 414

11. 3. 8

構造部位による注意事項

11. 3. 9

注入量の確認及び施工記録の作成

11. 4

品質管理

11. 4. 1

一··············································································································· 400······························································································································ 402····················································································· 407···························································································· 409····················································································· 411···································································································· 414····················································································· 416·································································································································· 419
般······························································································································ 419

11. 4. 2製造会社による基準試験

11. 4. 3

工事ごとの基準試験

11. 4. 4

日常管理試験

11. 5···································································································· 420··········································································································· 420······················································································································· 422

施工時の不具合が生じた場合の対策····················································································· 426

11. 5. 1

不具合の現象とその原因

11. 5. 2

グラウト注入前の不具合への対応····················································································· 427

11. 5. 3

グラウト注入中の不具合への対応····················································································· 429

第12章 型枠及び支保工···································································································· 426······················································································· 433

12. 1

一

般

·································································································································· 433

12. 2

荷

重

·································································································································· 433

12. 2. 1

一

12. 2. 2

鉛直方向荷重······················································································································· 434

12. 2. 3

水平方向荷重······················································································································· 435

12. 2. 4

コンクリートの側圧··········································································································· 436

12. 2. 5

プレストレスの影響··········································································································· 438

12. 2. 6

特殊荷重

12. 3

般

······························································································································ 433······························································································································ 439

材料及び許容応力度················································································································ 439

12. 3. 1

型枠材料······························································································································ 439

12. 3. 2

支保工材料·························································································································· 447

12. 3. 3

木材の許容応力度··············································································································· 451

12. 3. 4鋼材の許容応力度··············································································································· 452

12. 3. 5

その他の材料の許容引張力

12. 3. 6

許容たわみ量12. 4

設12. 4. 2

製作上の注意12. 5······················································································································· 454

型枠の設計及び製作

12. 4. 1

計

支保工の設計

12. 5. 1

一般································································································ 454················································································································ 455······························································································································ 455······················································································································· 456··························································································································· 459······························································································································ 459

12. 5. 2

支保工の変位······················································································································· 461

12. 5. 3

支保工の基礎······················································································································· 462

12. 6

型枠及び支保工の施工············································································································ 464

12. 6. 1

組立て·································································································································· 464

12. 6. 2

施工精度······························································································································ 473

12. 6. 3

コンクリート打込み中の注意

12. 6. 4

取りはずし·························································································································· 474

第13章 上下部接続部等
13. 1

一

13. 2

支承部

13. 2. 1
13. 3·································································································································· 477

施工時の留意点·································································································································· 478··················································································································· 478

落橋防止システム··················································································································· 480

施工時の留意点

第14章 付属物等
14. 1

一

14. 2

橋梁用防護柵14. 2. 1

排14. 4. 1
14. 5··························································································································· 482··················································································································· 482·································································································································· 484··················································································································· 484·································································································································· 487

施工時の留意点··················································································································· 487·································································································································· 490

施工時の留意点

付属設備

14. 6. 1·································································································································· 482

施工時の留意点
水··················································································································· 480································································································· 482

施工時の留意点

点検施設

14. 5. 1
14. 6

般

床版防水

14. 3. 1
14. 4··················································································································· 477

施工時の留意点

13. 4. 1

14. 3······················································································· 477······································································································································ 477

伸縮装置

13. 3. 1
13. 4

般···························································································· 474··················································································································· 490·································································································································· 491

施工時の留意点··················································································································· 491

14. 7

添架物

14. 7. 1······································································································································ 492

施工時の留意点··················································································································· 492

参考資料−1 架設系や架設設備の安全性の確認にあたっての留意点の例
1. 1

一

般

1. 2

架設系構造物に対する安全性の検討···································································· 494···································································································································· 494······················································································· 494

1. 2. 1

安全性の検討で考慮する設計状況······················································································· 494

1. 2. 2架設系構造物の安全性に対する照査··················································································· 497

1. 3

架設設備に対する安全性の検討······························································································· 509

1. 3. 1

安全性の検討で考慮する設計状況

1. 3. 2許容応力度及び安全率

1. 3. 3安定に対する照査

1. 3. 4固定支保工式架設工法における照査

1. 3. 5

押出し架設工法における照査

1. 3. 6

移動支保工式架設工法における照査

1. 3. 7

張出架設工法における照査······················································································· 509·········································································································· 510················································································································· 512··················································································· 512······························································································ 515··················································································· 518·································································································· 519