【鋼道路橋施工便覧】（令和 2 年改訂版）【Ａ5 判 652 頁 本体価格 7，500 円】
昭和 47 年 11 月 1 日初版第 1 刷発行
昭和 60 年 2 月 1 日改訂版第 1 刷発行
平成 27 年 4 月 30 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 5 年 10 月 13 日

目

次

第Ⅰ部 共
第1章 総

第 3 刷発行

通説 ···············································

3

1.1

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

3

1.2

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

4

1.3

参考図書の取り扱い

1.4

便覧の構成

·········································

4·················································

6

第２章 施工要領書
2.1

一

般

············································

7···················································

7

2.1.1

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

7

2.1.2

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

7

2.1.3

設計の前提条件の確認···································

9

2.1.4

調

···············································

10

2.2

査

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

14·············································

14

2.2.1

製作要領書

2.2.2

溶接施工要領書·········································
― i ―

15

2.2.3

輸送計画書·············································

17

2.2.4

架設計画書

·············································

18

2.2.5

床版施工計画書·········································

19

2.2.6

品質管理計画···········································

20

2.2.7

安全管理衛生計画

2.2.8

工程管理計画

2.2.9

環境対策

第３章 検

·······································

21···········································

25···············································

28

査 ···············································

31···················································

31

3.1

一

般

3.2

検査の記録の管理···········································

第４章 施工に関する記録の保存
般······························

39···················································

39

4.1

一

4.2

記録として保存すべき事項···································

第Ⅱ部 製
第１章 製作の基本
1.1

一

40

作

············································

45···················································

45

材 ···············································

47···················································

47·················································

51

般

第２章 鋼

33

2.1

一

般

2.2

構造用鋼材

2.2.1

鋼種の選定

·············································

51

2.2.2

板 取 り

···············································

66

2.2.3

材料の検査

·············································

68

2.2.4

保

···············································

71

管― ii ―

2.2.5
2.3

鋼材の輸送

高力ボルト

·············································

74·················································

77

2.3.1

摩擦接合用高力ボルト···································

77

2.3.2

支圧接合用高力ボルト···································

83

2.3.3

その他の高力ボルト·····································

83

2.3.4

保管・運搬

·············································

85···················································

85

第３章 生産情報の作成 ········································

89

2.4

スタッド

3.1

一

般

···················································

89

3.2

構造展開

···················································

90

般

90

3.2.1

一

3.2.2

構造展開の方法

3.2.3

構造展開上の留意点·····························································································································

90
95

3.3

生産情報の内容············································· 107

3.4

生産情報の検査············································· 109

第４章 加

工 ··············································· 112

4.1

一

般

··················································· 112

4.2

け が き

··················································· 112

4.3

切断・切削

················································· 114

4.3.1

切

断

··············································· 115

4.3.2

切

削

··············································· 119

4.3.3

開先加工

··············································· 120

4.3.4

品質管理

··············································· 120

4.4

溶接部等のプライマー除去

4.5

孔 あ け

··································· 124··················································· 125

4.5.1

孔あけ方法

············································· 125

4.5.2

孔あけ精度

············································· 127― iii ―

4.5.3
4.6

孔あけ部の処理

曲げ加工········································· 129··················································· 130

4.6.1

冷間加工

··············································· 130

4.6.2

熱間加工

··············································· 1314.6.3

Ｉ形断面桁フランジ等の逆ひずみ加工

4.7

細部構造の処理············································· 1324.7.1

摩擦接合面の処理

4.7.2

面取り加工

4.7.3

吊金具・架設用治具等

第５章 溶····················· 131······································· 132············································· 132··································· 133

接 ··············································· 134

5.1

一

般

··················································· 1345.2

溶接法と溶接材料··········································· 134

5.2.1

被覆アーク溶接法

5.2.2

ガスシールドアーク溶接法······························· 139

5.2.3

サブマージアーク溶接法································· 150

5.2.4

アークスタッド溶接法··································· 1555.2.5

その他の溶接法

5.2.6

溶接材料の使用区分

5.2.7

溶接記号

5.2.8

各溶接法の適用例

5.3

溶接施工

······································· 135········································· 157······································ 160··············································· 161······································· 166··················································· 170

5.3.1

一

般

5.3.2

溶接施工法の選定

5.3.3

溶接作業者

············································· 1715.3.4

溶接施工試験

··········································· 176

5.3.5

溶接前の準備··········································· 184

5.3.6

組立溶接

··············································· 189

5.3.7

予

··············································· 193

熱··············································· 170······································· 171― iv ―

5.3.8

溶接施工

5.3.9

溶接部の仕上げ

5.4

ひずみとり

··············································· 197········································· 220················································· 224

5.4.1

溶接ひずみの種類

5.4.2

ひずみとり

5.5

溶接部の検査············································· 226··············································· 229

5.5.1

一

5.5.2

外部きず検査··········································· 230

5.5.3

内部きず検査··········································· 243

5.6

般······································· 225

欠陥部の補修··············································· 229··············································· 261

5.6.1

外部欠陥の補修········································· 262

5.6.2

内部欠陥の補修········································· 263

第６章 部材精度・組立精度 ··································· 267
6.1

一

般

··················································· 267

6.2

部材精度

··················································· 267

6.3

組立精度

··················································· 269

6.3.1

組立精度の許容値

6.3.2

仮組立の必要性の検討··································· 270

6.3.3

仮組立における精度····································· 271

6.4

仮 組 立

······································· 269··················································· 273

6.4.1

一

般

··············································· 273

6.4.2

仮組立の分類··········································· 276

6.4.3

仮組立の基礎··········································· 2826.4.4

仮組立時の留意点······································· 2826.4.5

基準寸法及び測定······································· 286

6.4.6

分割製作における精度の管理手法

6.4.7

仮組立検査

························· 293············································· 294― v ―第７章 工場内運搬
7.1

一

般

7.2

運搬上の留意点············································ 296··················································· 296············································· 296

7.2.1

部材移動

7.2.2

部品及びブロックの反転

7.2.3

輸送前の準備··········································· 299

部材保管上の留意点········································· 300

7.3··············································· 296································· 298

第Ⅲ部 現場施工
第 1 章 現場施工の基本 ········································ 303
1.1

一

般

第２章 輸

··················································· 303

送 ··············································· 305

2.1

一

般

··················································· 305

2.2

陸上輸送

··················································· 305

2.2.1

トラック，トレーラを使用する輸送

2.2.2

輸送関係法令における制限

2.3

水上輸送

第３章 架

······················· 305······························· 306··················································· 310

設 ··············································· 316

3.1

一

般

··················································· 316

3.2

架設工法に関する一般的事項································· 316

3.2.1

架設工法の分類········································· 316

3.2.2

架設工法の選定········································· 317

3.2.3

設計の前提条件を満足する施工条件の選定

3.3

架設工法

3.3.1

一

················· 326··················································· 328
般··············································· 328― vi ―

3.3.2ベント工法············································· 328

3.3.3

送出し工法

············································· 331

3.3.4

片持ち工法

············································· 339

3.3.5

ケーブルエレクション工法

3.3.6

架設桁工法

3.3.7

大ブロック工法

3.3.8

橋の形式による架設上の留意点······························· 341············································· 343········································· 345··························· 350

3.4

架設設計

··················································· 357

3.5

現場施工

··················································· 358

3.5.1

一

3.5.2

架設位置の確認

3.5.3

部材の組立

3.5.4

高力ボルトの施工······································· 366

3.5.5

現場溶接の施工········································· 372

3.5.6

架設時の組立精度······································· 389

3.6

般

架設機材等

··············································· 358········································· 359············································· 364················································· 389

3.6.1

一

般

··············································· 389

3.6.2

架設工事用機械

3.6.3

仮設構造物

3.6.4

ワイヤロープ及び付属品

3.6.5

器具，工具

········································· 390············································· 418································· 434············································· 440

第４章 コンクリート系床版 ··································· 452
4.1

一

般

··················································· 452

4.2

材

料

··················································· 455

4.2.1

一

般

··············································· 455

4.2.2

コンクリート材料

4.2.3

鋼

材

··············································· 463

4.2.4

グラウト

··············································· 471······································· 455― vii ―

4.2.5

コンクリートの配合

4.2.6

レディーミクストコンクリート

4.2.7

貯

4.3

現場施工

蔵

····································· 471··························· 475··············································· 478··················································· 480

4.3.1

鉄筋コンクリート床版··································· 480

4.3.2

場所打ちプレストレストコンクリート床版

4.3.3

プレキャストプレストレストコンクリート床版

4.3.4

鋼コンクリート合成床版

4.3.5

端横桁巻立てコンクリート及び端部場所打ち床版················· 531············· 552································· 579··········· 594

第５章 上下部接続部等 ········································ 600
5.1

一

般

··················································· 600

5.2

支 承 部

··················································· 600

5.3

伸縮装置

··················································· 600

5.4

落橋防止システム··········································· 607

第６章 橋梁付属物等·········································· 611

6.1

一

般

··················································· 611

6.2

地覆及び橋梁用防護柵

6.2.1

コンクリート製地覆

6.2.2

車両用防護柵······································· 611····································· 611··········································· 615

6.3

排

水

··················································· 619

6.4

床版防水

··················································· 625

6.5

点検施設等

················································· 627

付
品質管理記録様式集

録············································ 631― viii ―参考資料
参考資料 架設設計における留意点と計算例 ·················· 655
1.1

一

般

··················································· 655

1.2

設計状況

··················································· 656

1.3

制限値と安全余裕··········································· 662

1.4

本体構造物の照査··········································· 664

1.5

仮設構造物の照査··········································· 683

1.6型枠支保工の設計··········································· 689― ix ―