ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

３００×３００0.071134
0.78
0.09120.0142Ｖ(ｍ／ｓ)
5.52614.51213.90763.19052.85372.66942.47142.25602.01791.91431.80481.74751.68831.56301.42681.35361.31551.27621.23571.19381.1504
1.1052
1.0582
1.00890.95720.90240.84410.78150.7134
0.63810.55260.4512Ｑ(ｍ３／ｓ)
0.39310.32100.27800.22700.20300.18990.17580.16050.14350.13620.12840.12430.12010.11120.1015
0.0963
0.09360.09080.08790.08490.08180.07860.07530.07180.0681
0.06420.06000.05560.05070.04540.03930.0321

３００×４００0.095447
0.938
0.1018
0.014
Ｖ
(ｍ／ｓ)
6.03144.92464.26483.4822
3.11462.91342.69732.46232.20232.0893
1.96981.9073
1.84261.70591.5573
1.47741.43581.39291.34871.30291.25551.2063
1.15491.1012
1.04470.98490.92130.85300.7786
0.69640.6031
0.4925Ｑ(ｍ３／ｓ)
0.57570.47000.4071
0.33240.29730.27810.25740.23500.21020.19940.18800.18200.17590.16280.14860.14100.13700.13290.12870.12440.11980.11510.11020.1051
0.0997
0.09400.08790.08140.07430.06650.05760.0470３００×５００0.11952
1.09680.109
0.0139Ｖ(ｍ／ｓ)
6.35795.19124.49573.67073.2832
3.07122.84332.59562.32162.20242.07652.0106
1.9424
1.7983
1.6416
1.55741.5135
1.4683
1.42171.37351.3235
1.27161.21741.16081.1012
1.0382
0.97120.89910.82080.73410.63580.5191Ｑ(ｍ３／ｓ)
0.75990.62050.53730.43870.39240.36710.33980.31020.27750.26320.24820.24030.23220.21490.19620.18610.18090.17550.16990.16420.15820.15200.14550.13870.1316
0.12410.11610.10750.09810.08770.07600.0620３００×６００
0.14352
1.25680.11420.0137Ｖ(ｍ／ｓ)
6.65435.43324.70533.84193.4363
3.21432.97592.71662.42982.30512.1733
2.10432.03291.8821
1.71811.63001.58401.53671.48791.43751.38521.33091.2742
1.21491.15261.08661.01650.94110.85910.76840.66540.5433Ｑ(ｍ３／ｓ)
0.95500.77980.67530.5514
0.4932
0.46130.42710.38990.34870.33080.31190.30200.29180.27010.24660.23390.22730.22050.21350.20630.19880.19100.18290.17440.16540.15590.14590.13510.12330.11030.09550.0780３００×７００0.16752
1.41680.11820.0137Ｖ(ｍ／ｓ)
6.80885.55944.81453.93113.51603.28903.04502.77972.48622.3586
2.2237
2.15312.0801
1.92581.75801.66781.62081.5724
1.52251.47091.4174
1.36181.30381.2431
1.1793
1.11191.0401
0.96290.87900.78620.68090.5559Ｑ(ｍ３／ｓ)
1.1406
0.93130.80650.65850.58900.55100.51010.46570.41650.39510.37250.36070.34850.3226
0.29450.27940.27150.26340.25500.24640.23740.22810.21840.20820.19760.18630.17420.16130.14730.13170.1141
0.0931ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

３００×８００0.19152
1.57680.12150.0136Ｖ(ｍ／ｓ)
6.98595.70404.93984.03333.60753.3745
3.12422.85202.55092.42002.2816
2.20912.1342
1.97591.80381.7112
1.66301.61331.56211.50911.4542
1.3972
1.33771.27551.21001.14081.06710.98800.90190.80670.69860.5704Ｑ(ｍ３／ｓ)
1.33791.0924
0.94610.77250.69090.64630.59830.54620.48850.46350.43700.42310.40870.37840.34550.32770.31850.30900.29920.28900.27850.26760.25620.24430.23170.21850.20440.18920.17270.15450.13380.1092

３００×９００0.21552
1.73680.12410.0135Ｖ(ｍ／ｓ)
7.13775.82795.04714.12103.68593.44783.19212.91402.60632.47262.33122.25712.18062.01891.84301.7484
1.69911.6484
1.59601.54191.48581.42751.36681.3032
1.2363
1.16561.09031.00940.92150.82420.71380.5828Ｑ(ｍ３／ｓ)
1.5383
1.25601.08780.8882
0.79440.74310.68800.62800.56170.53290.50240.48650.47000.43510.39720.37680.36620.35530.34400.33230.32020.30770.29460.28090.26640.25120.23500.2175
0.19860.1776
0.15380.1256

３００×１０００0.23952
1.89680.12630.0135ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
7.22181.72985.89661.41245.1066
1.2231
4.16950.99873.72930.89323.48850.8356
3.22970.77362.94830.70622.63700.63162.50170.59922.35860.56492.28370.54702.20630.52852.0426
0.4892
1.86470.4466
1.76900.42371.71910.41181.66780.39951.61490.38681.56010.37371.50330.36011.44440.34601.38290.3312
1.31850.31581.25090.2996
1.17930.2825
1.10320.2642
1.02130.2446
0.93230.22330.83390.19970.72220.17300.58970.1412

３００×１１００0.26352
2.05680.12810.0135ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
7.2903
1.9211
5.95251.5686
5.15501.35844.20901.1092
3.7647
0.9921
3.52150.92803.26030.85922.9762
0.78432.66200.70152.52540.66552.38100.62742.30540.60752.2272
0.58692.06200.5434
1.88230.49601.78570.47061.73540.45731.68360.44371.63020.42961.57490.41501.5176
0.39991.45810.3842
1.39600.36791.33100.35071.2627
0.33271.19050.3137
1.11360.29351.03100.2717
0.94120.24800.84180.22180.72900.19210.59520.1568

３００×１２００0.28752
2.21680.12970.0134ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
7.40572.12936.04671.73855.23661.50564.27571.22933.8243
1.0996
3.5773
1.02853.31190.9522
3.02340.86932.70420.77752.56540.73762.41870.69542.34190.67332.26250.65052.09470.6023
1.9121
0.54981.81400.52161.76290.50691.71030.49171.65600.47611.59980.46001.54160.4432
1.48110.42581.41810.40771.35210.38881.28270.36881.20930.3477
1.13120.3252
1.04730.30110.95610.27490.85510.24590.74060.21290.60470.1739ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

４００×４００0.12703
1.04
0.12210.0142Ｖ(ｍ／ｓ)
6.71285.48094.74663.87563.46653.24263.00202.74052.45122.32542.19242.12282.05081.89871.7332
1.6443
1.59801.5502
1.50101.4501
1.3974
1.34261.28541.2256
1.1627
1.0962
1.02540.94930.86660.77510.67130.5481Ｑ(ｍ３／ｓ)
0.85270.69620.60300.49230.44030.41190.38130.34810.31140.29540.27850.26970.26050.24120.22020.20890.20300.19690.19070.18420.17750.1706
0.16330.15570.14770.13930.13030.12060.1101
0.09850.08530.0696

４００×５００0.159321
1.198
0.133
0.0139Ｖ(ｍ／ｓ)
7.25995.92775.1335
4.19153.74903.50693.24672.96392.65092.51492.37112.29582.21792.0534
1.8745
1.7783
1.7282
1.67661.6234
1.56831.51131.45201.3902
1.3255
1.25751.1855
1.10901.02670.93730.83830.72600.5928Ｑ(ｍ３／ｓ)
1.15670.94440.81790.66780.59730.55870.51730.47220.42230.40070.37780.36580.35340.32710.2986
0.28330.27530.26710.2586
0.24990.24080.23130.22150.21120.20030.18890.17670.16360.14930.13360.1157
0.0944

４００×６００0.19136
1.35680.141
0.0139Ｖ(ｍ／ｓ)
7.5482
6.1631
5.33744.35803.89793.64613.37573.08152.75622.61482.46522.38702.30602.13501.94891.84891.79681.7432
1.68781.6306
1.57131.50961.4454
1.37811.30741.2326
1.15301.06750.97450.87160.75480.6163Ｑ(ｍ３／ｓ)
1.4444
1.17941.02140.83390.74590.69770.64600.58970.52740.50040.47170.45680.44130.4086
0.37290.35380.34380.3336
0.32300.31200.30070.28890.2766
0.26370.25020.23590.22060.20430.18650.16680.14440.1179

４００×７００0.22336
1.51680.14730.0138Ｖ(ｍ／ｓ)
7.8277
6.39135.53504.51934.0422
3.78113.5007
3.19572.85832.71162.55652.47532.39142.21402.0211
1.9174
1.8634
1.80771.7503
1.69101.62951.5655
1.49891.42911.35581.2783
1.1957
1.10701.01060.90390.78280.6391Ｑ(ｍ３／ｓ)
1.7484
1.4276
1.23631.00940.90290.84450.78190.71380.63840.60570.57100.55290.53410.49450.45140.42830.41620.40380.39090.37770.36400.34970.33480.31920.30280.28550.26710.24730.22570.20190.17480.1427

４００×８００
0.25536
1.67680.15230.0137Ｖ(ｍ／ｓ)
8.06236.58285.70094.65484.16333.89453.6056
3.29142.94392.79292.63312.54952.46312.28042.08171.97481.9192
1.86191.80281.74171.6783
1.61251.54381.47201.3964
1.31661.23151.1402
1.04080.93100.80620.6583Ｑ(ｍ３／ｓ)
2.05881.68101.45581.1886
1.0631
0.99450.92070.84050.75180.71320.67240.65100.62900.58230.53160.50430.49010.47550.46040.44480.4286
0.41180.39420.37590.3566
0.33620.31450.29120.26580.23770.20590.1681ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

４００×９００0.28736
1.83680.15640.0137Ｖ(ｍ／ｓ)
8.20636.70045.80284.73794.23773.96403.67003.35022.99652.84282.68022.59512.50712.32112.11892.0101
1.95351.8952
1.83501.77281.7083
1.6413
1.5714
1.4983
1.42141.3401
1.25351.1606
1.0594
0.94760.82060.6700Ｑ(ｍ３／ｓ)
2.3582
1.9254
1.66751.36151.2177
1.13911.0546
0.96270.86110.81690.77020.74570.72040.66700.60890.5776
0.56140.5446
0.52730.50940.49090.47160.45160.4306
0.40850.38510.36020.33350.30440.27230.23580.1925

４００×１０００0.31936
1.99680.15990.0136ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
8.38962.67936.85002.18765.9323
1.89454.84371.54694.33231.38364.05251.29423.75191.19823.42501.09383.06340.97832.90620.92812.74000.87502.65300.84732.56310.81862.37290.75782.16620.69182.05500.6563
1.99710.63781.93750.61881.87600.59911.81240.57881.74640.55771.67790.53591.60650.5131
1.53170.4892
1.45310.46411.37000.43751.28150.4093
1.18650.37891.08310.34590.96870.30940.83900.26790.68500.2188

４００×１１００0.35136
2.15680.16290.0136ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
8.49422.98456.93552.43696.00632.11044.90411.72314.3864
1.54124.1031
1.44173.79871.33473.4677
1.21843.10161.08982.94251.03392.7742
0.97472.6861
0.94382.59500.91182.40250.8441
2.19320.77062.0806
0.73102.02200.7104
1.96160.6892
1.89940.6674
1.83490.64471.76820.6213
1.69880.59691.62650.57151.55080.54491.47120.51691.3871
0.4874
1.29750.45591.20130.4221
1.0966
0.38530.98080.3446
0.84940.29840.69350.2437

４００×１２００0.38336
2.31680.16550.0135ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
8.64793.31537.06102.70696.11502.3442
4.99291.91414.46581.71204.17731.6014
3.86751.48263.53051.3535
3.15781.21062.99571.14842.82441.08282.73471.04842.64201.01282.44600.93772.23290.85602.11830.81212.0586
0.7892
1.99710.7656
1.93370.7413
1.86820.71621.80020.69011.7296
0.66311.65590.63481.57890.6053
1.49790.5742
1.41220.54141.32100.5064
1.22300.46881.11640.42800.9986
0.38280.86480.33150.70610.2707ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

５００×５００0.199161
1.298
0.15340.0142Ｖ(ｍ／ｓ)
7.81586.38165.52664.51254.03613.77543.49533.19082.85392.70752.55262.47162.38782.21062.01801.91451.86051.80501.74771.6884
1.62701.5632
1.49661.42701.35371.2763
1.19391.10531.00900.90250.7816
0.6382Ｑ(ｍ３／ｓ)
1.5566
1.27101.10070.89870.80380.75190.69610.63550.56840.53920.50840.49220.47560.44030.40190.38130.37050.35950.34810.33630.32400.31130.29810.28420.26960.2542
0.23780.22010.20100.17970.15570.1271

５００×６００0.2392
1.45680.16420.0141Ｖ(ｍ／ｓ)
8.23656.72515.82414.7553
4.25333.97863.68353.36253.00752.85322.69002.60462.51632.32962.12672.01751.96071.9021
1.84171.77931.7146
1.6473
1.5772
1.50381.42661.34501.2581
1.16481.06330.95110.8236
0.6725Ｑ(ｍ３／ｓ)
1.9702
1.6086
1.39311.13751.0174
0.95170.88110.80430.71940.68250.64340.62300.60190.55720.5087
0.4826
0.46900.45500.44050.42560.41010.39400.37730.35970.34120.32170.30090.27860.25430.22750.19700.1609

５００×７００0.2792
1.61680.1727
0.014
Ｖ
(ｍ／ｓ)
8.57927.00496.06644.95324.43034.1441
3.83673.50243.13272.97192.80192.71302.62102.42662.21512.10152.0423
1.9813
1.9184
1.8533
1.78591.71581.64281.5663
1.48601.40101.3105
1.2133
1.10760.99060.85790.7005Ｑ(ｍ３／ｓ)
2.3953
1.95581.69371.38291.23691.15701.0712
0.97790.87460.82980.78230.75750.73180.67750.61850.58670.5702
0.55320.53560.51740.49860.47910.45870.43730.41490.39120.36590.33880.30920.2766
0.23950.1956

５００×８００0.3192
1.77680.17960.0139Ｖ(ｍ／ｓ)
8.86967.24206.27175.12084.58024.28443.96663.62103.23873.07252.89682.80482.70972.50872.2901
2.17262.11142.0483
1.9833
1.91601.84631.77391.6984
1.6194
1.5363
1.44841.35481.25431.14511.02420.88700.7242Ｑ(ｍ３／ｓ)
2.83122.31162.00191.63461.46201.3676
1.2661
1.15581.03380.98070.92470.89530.86490.80080.73100.69350.67400.65380.63310.6116
0.58930.56620.54210.51690.4904
0.46230.43250.40040.36550.32690.28310.2312

５００×９００0.3592
1.93680.18550.0138Ｖ(ｍ／ｓ)
9.12847.45336.45485.27034.71394.40944.08243.72673.3332
3.16222.98132.88672.78882.58192.35692.23602.17302.10812.0412
1.97201.9002
1.82571.74801.6666
1.58111.49071.3944
1.29101.17851.0541
0.91280.7453Ｑ(ｍ３／ｓ)
3.27892.67722.3186
1.8931
1.6932
1.58391.4664
1.3386
1.19731.13591.07091.03691.00170.92740.84660.80320.78050.75720.73320.70830.68260.65580.62790.5986
0.56790.53550.50090.46370.42330.3786
0.32790.2677ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

５００×１０００0.39922.09680.19040.0137ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
9.35633.73507.63943.04966.61592.64115.40182.15644.8316
1.92884.51951.8042
4.18431.67043.81971.52483.41641.36383.24111.29383.05571.21982.95871.18112.85841.14112.6464
1.05642.41580.96442.29180.91492.22720.88912.16070.86262.09210.83522.02120.80691.94770.77751.87130.74701.79160.7152
1.70820.68191.6206
0.64691.52790.60991.42920.57051.3232
0.52821.20790.48221.08040.43130.9356
0.37350.76390.3049５００×１１００0.43922.25680.19460.0137ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
9.49344.16957.75133.40446.71282.94835.48102.40734.90242.1531
4.58572.01404.2456
1.86473.87571.7022
3.4665
1.52253.28861.44443.10051.36173.00211.31852.9003
1.27382.6851
1.17932.4512
1.07662.32541.02132.25990.99252.19240.96292.12280.93232.05080.9007
1.97620.86791.89870.83391.81780.7984
1.73320.7612
1.64430.72221.55030.68091.45010.63691.3426
0.58971.2256
0.5383
1.0962
0.48150.94930.41690.77510.3404

５００×１２００0.47922.41680.19830.0136ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
9.68404.6406
7.90703.78906.84763.28145.59112.67935.00082.39644.67782.24164.33082.0753
3.9535
1.89453.5361
1.69453.3546
1.6075
3.16281.51563.0624
1.46752.95851.41772.73911.31262.5004
1.19822.37211.13672.3053
1.10472.2364
1.07172.1654
1.03772.09201.00252.01590.96601.93680.92811.85430.8886
1.76810.8473
1.67730.80381.58140.75781.47930.70891.36950.65631.25020.59911.11820.53580.96840.46410.79070.3789５００×１３００0.51922.57680.20150.0136ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
9.78795.08197.99184.1493
6.9211
3.59345.65112.9341
5.05452.62434.72802.45484.37732.27273.99592.07473.57401.85563.39061.7604
3.19671.65973.0952
1.60702.99031.55262.7684
1.43742.5272
1.31212.39751.24482.33001.20972.26041.1736
2.18861.1363
2.1144
1.09782.0375
1.05791.95761.0164
1.8742
0.9731
1.78700.92781.69530.8802
1.59840.82991.49510.77631.38420.71871.26360.65611.1302
0.58680.97880.50820.79920.4149５００×１４００0.55922.89680.193
0.0135ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
9.58115.35787.82304.37466.77493.78855.5317
3.0933
4.94772.76684.62812.58804.28482.39613.91152.18733.4985
1.95643.31901.85603.1292
1.74983.02981.6943
2.92711.63682.71001.51542.47381.38332.34691.31242.28081.27542.21271.2373
2.1424
1.19802.06981.1574
1.9945
1.1153
1.9162
1.0715
1.83461.02591.74930.9782
1.65950.92801.56460.87491.46350.81841.35500.7577
1.23690.69171.10630.6186
0.95810.53580.78230.4375ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

６００×５００0.239001
1.398
0.171
0.0143Ｖ(ｍ／ｓ)
8.34406.81285.90014.81744.30884.03053.73153.40643.04682.89042.72512.63862.54912.36002.15442.04391.9863
1.92701.86581.80251.73691.66881.59781.52341.4452
1.36261.2746
1.18001.07720.96350.83440.6813Ｑ(ｍ３／ｓ)
1.9942
1.62831.41011.15141.02980.96330.89180.81410.72820.69080.65130.63060.60920.56400.51490.48850.47470.46060.44590.43080.4151
0.39880.38190.36410.34540.32570.30460.28200.25750.23030.19940.1628

６００×６００0.28704
1.55680.18440.0142Ｖ(ｍ／ｓ)
8.8362
7.21476.24815.10164.56304.26833.95173.60743.22653.06092.88592.79422.69952.49922.28152.16442.10342.04061.97581.90881.83941.7672
1.69201.61331.53051.44291.34971.24961.14071.02030.8836
0.7215Ｑ(ｍ３／ｓ)
2.53632.07091.79351.46441.30981.2252
1.13431.03550.92610.87860.82840.80200.77490.71740.65490.62130.60380.58570.56710.54790.52800.50730.48570.46310.43930.41420.38740.35870.32740.29290.25360.2071

６００×７００0.33504
1.71680.19520.0141Ｖ(ｍ／ｓ)
9.24307.54696.53585.33644.77314.46484.13363.77343.37513.20193.01882.92292.82382.61432.38652.26412.20032.13462.06681.99671.9241
1.8486
1.76991.68751.60091.5094
1.41191.3072
1.1933
1.06730.92430.7547Ｑ(ｍ３／ｓ)
3.09682.52852.18981.78791.5992
1.49591.38491.26421.13081.07281.0114
0.97930.94610.87590.79960.75860.73720.7152
0.69250.66900.64470.6194
0.59300.5654
0.53640.50570.47300.43800.39980.35760.30970.2529

６００×８００0.38304
1.87680.2041
0.014
Ｖ
(ｍ／ｓ)
9.58997.8301
6.78115.53674.95224.63234.28873.91503.50173.32203.13203.03262.92982.71242.47612.34902.28282.21472.14442.0716
1.9963
1.91801.83631.75091.66101.56601.46491.3562
1.23801.10730.95900.7830Ｑ(ｍ３／ｓ)
3.67332.99922.59742.12081.89691.7744
1.64271.4996
1.3413
1.2725
1.19971.1616
1.1222
1.03900.94840.89980.87440.84830.8214
0.79350.76470.73470.70340.6707
0.63620.59980.56110.51950.47420.42410.36730.2999

６００×９００0.43104
2.03680.21160.0139Ｖ(ｍ／ｓ)
9.89418.0785
6.99625.71235.10934.77934.42484.0392
3.61283.42743.2314
3.12883.02272.79852.55462.42352.35532.28492.21242.13742.0596
1.97881.89461.80641.71371.61571.5113
1.3992
1.2773
1.14250.98940.8078Ｑ(ｍ３／ｓ)
4.26483.48223.01562.46222.20232.06011.90731.7411
1.5573
1.4773
1.39291.3486
1.30291.2063
1.1011
1.04461.01520.98490.9536
0.92130.88780.85290.8166
0.77860.73870.69640.65140.60310.55060.49250.42650.3482ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

６００×１０００0.47904
2.19680.21810.0139ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.0957
4.83628.2431
3.94887.13873.41975.82872.7922
5.21342.49744.87672.33614.51492.16284.1215
1.97443.6864
1.76593.4972
1.67533.2972
1.5795
3.1925
1.52933.0843
1.47752.85551.36792.60671.24872.47291.18462.4032
1.15122.3315
1.11692.25751.08142.18091.04472.10161.00682.0191
0.9672
1.93320.92611.84320.88301.74860.8376
1.6486
0.78971.54210.73871.42770.68391.30330.6243
1.16570.55841.0096
0.48360.82430.3949

６００×１１００0.52704
2.35680.22360.0138ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.33915.44918.44184.4492
7.31083.8531
5.9693
3.1461
5.33912.81394.99422.63214.62382.43694.22092.22463.7753
1.98973.5816
1.88763.37671.77973.26951.7232
3.15861.66472.9243
1.54122.66951.40692.53251.33472.4612
1.29722.38771.25842.31191.21852.2335
1.17712.1522
1.13432.06781.08981.97981.0434
1.8876
0.99481.79080.94381.68840.88991.57930.8324
1.46220.7706
1.33480.70351.19390.6292
1.03390.54490.84420.4449

６００×１２００0.57504
2.51680.22850.0137ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.56616.07598.62724.96107.47144.29646.10043.50805.45633.1376
5.10392.93494.72532.71724.31362.48053.85822.21863.66022.10483.45091.98443.3413
1.9214
3.22801.85622.9886
1.71862.7282
1.56882.5882
1.48832.5152
1.44632.44011.40322.36271.35862.28251.3125
2.19951.26482.11321.21522.0233
1.1635
1.9291
1.10931.8301
1.05241.7254
0.9922
1.61400.92811.49430.85931.36410.78441.22010.7016
1.05660.60760.86270.4961

６００×１３００0.62304
2.67680.23280.0137ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.6983
6.66558.73515.44237.56484.71326.17673.84835.52463.44205.16783.21974.78442.98094.36762.72123.90652.43393.70602.30903.49402.17693.3831
2.10783.26842.03633.02591.88532.7623
1.72102.62051.63272.54671.58672.47071.53932.3922
1.49042.31111.43992.22701.3875
2.13971.33312.0486
1.2764
1.9532
1.21691.85301.15451.74701.08851.6342
1.0182
1.51300.94271.38110.86051.23530.7696
1.06980.66650.87350.5442

６００×１４００
0.67104
2.83680.23650.0137ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.81137.25488.82745.92357.64485.13006.24194.18865.58293.7463
5.22243.50444.83503.24454.41372.96183.94772.64913.74522.5132
3.53102.36943.41882.2942
3.30292.2164
3.05792.05202.79151.87322.64821.77702.57361.72702.49681.67552.41751.62222.33551.56722.25061.5102
2.16231.45102.0702
1.3892
1.97391.32461.87261.25661.7655
1.18471.6515
1.1082
1.52901.02601.39570.9366
1.24840.83771.08110.72550.88270.5923

ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

７００×５００0.277749
1.502
0.18490.0149Ｖ(ｍ／ｓ)
8.4363
6.88825.96534.87074.35654.07513.77283.44413.08052.92242.75532.66782.57732.38612.17822.06652.0082
1.9483
1.8864
1.82241.7562
1.6873
1.6154
1.5402
1.4612
1.37761.28871.19311.08910.97410.8436
0.6888Ｑ(ｍ３／ｓ)
2.3432
1.9132
1.65691.35281.21001.13191.04790.95660.85560.81170.76530.74100.71580.66270.60500.57400.55780.5411
0.52390.5062
0.48780.46860.44870.42780.40580.3826
0.35790.33140.30250.2706
0.23430.1913

７００×６００0.334374
1.66
0.20140.0148Ｖ(ｍ／ｓ)
8.99137.34146.35785.19114.6431
4.34324.02103.67073.2832
3.11472.93662.84332.74692.54312.32152.20242.14042.07652.0105
1.94231.87171.7983
1.72171.6416
1.5573
1.46831.3734
1.27161.16081.03820.89910.7341Ｑ(ｍ３／ｓ)
3.00652.45482.12591.73581.55251.4523
1.34451.2274
1.09781.04150.98190.95070.91850.85030.77620.73640.71570.69430.67230.64950.62580.60130.57570.54890.52070.49100.45920.42520.38810.34710.3006
0.2455

７００×７００
0.39075
1.818
0.21490.0147Ｖ(ｍ／ｓ)
9.4526
7.71806.68405.45754.88134.56614.22733.85903.4516
3.27453.08722.98922.88782.67362.44072.31542.25022.18302.11372.04201.96771.89051.81001.72581.6372
1.54361.44391.33681.2203
1.09150.94530.7718Ｑ(ｍ３／ｓ)
3.69363.01582.61182.13251.9074
1.78421.65181.50791.34871.27951.2063
1.16801.12841.0447
0.95370.90470.87930.85300.82590.79790.76890.73870.70730.67440.63970.60320.5642
0.52240.47680.42650.36940.3016

７００×８００0.446881.976
0.22620.0146Ｖ(ｍ／ｓ)
9.84818.04106.96375.68585.08564.75714.40424.02053.59603.4115
3.21643.11433.00872.78552.54282.41232.34432.27432.20212.12742.0501
1.96961.88581.79801.70571.60821.5043
1.39271.27141.13720.98480.8041Ｑ(ｍ３／ｓ)
4.40093.59343.11192.54092.27272.12591.96811.79671.60701.52451.4373
1.39171.34451.24481.1363
1.07801.04761.01630.98410.95070.91610.88020.84270.80350.76220.71870.67220.62240.56820.50820.44010.3593

７００×９００0.50262.136
0.23530.0145Ｖ(ｍ／ｓ)
10.18038.3121
7.19855.8776
5.2571
4.91754.55284.1561
3.71733.52653.32493.21933.11012.87942.62852.49362.42342.35102.27642.19922.11922.0361
1.9494
1.85871.7633
1.6624
1.55511.43971.3143
1.17551.01800.8312Ｑ(ｍ３／ｓ)
5.1166
4.17773.61802.95412.64222.47152.28822.08891.86831.7724
1.67111.61801.5631
1.4472
1.3211
1.2533
1.21801.1816
1.14411.1053
1.06511.02330.97980.93420.88620.83550.7816
0.72360.66060.59080.5116
0.4178ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

７００×１０００0.55862.296
0.24330.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.48205.85528.55854.78087.41194.14036.05183.38055.41293.0236
5.06332.82844.68772.61854.27932.3904
3.82752.13803.63112.02833.4234
1.91233.31471.8516
3.2023
1.78882.96481.65612.7064
1.51182.56761.43432.4952
1.39382.42071.35222.34381.30922.26441.26492.18201.21892.0964
1.17102.0072
1.1212
1.91371.06901.81551.0141
1.71170.95621.60120.89441.48240.82811.35320.75591.2104
0.6761
1.04820.58550.85590.4781

７００×１１００0.61462.456
0.25020.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.6793
6.56358.71965.3591
7.55144.6411
6.16573.78945.51473.38935.1586
3.17054.77592.93534.35982.67953.89952.3966
3.69942.27373.48782.14363.37712.07563.26262.00523.02061.85652.7574
1.69472.61591.60772.5422
1.56242.46631.51582.38801.46772.30701.41792.22311.36632.13591.31272.04491.25681.9498
1.1983
1.84971.13681.74391.07181.63131.00261.51030.9282
1.37870.84731.23310.75791.06790.65630.87200.5359

７００×１２００0.67062.616
0.25630.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
10.9280
7.32838.92275.9836
7.72735.18196.30934.23105.6432
3.78435.27873.53994.8872
3.27744.46142.99183.99042.67603.78562.53863.56912.39343.45572.3174
3.33862.23893.09092.07282.8216
1.89222.67681.79512.60141.74452.5237
1.69242.4436
1.63872.36071.58312.27491.52552.18561.46572.09261.4033
1.9952
1.33801.89281.2693
1.7845
1.19671.6693
1.1194
1.54551.03641.41080.9461
1.26190.8462
1.09280.73280.89230.5984

７００×１３００0.72662.776
0.26170.0142ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.1590
8.10819.11136.62037.89065.73336.44274.68135.7625
4.18705.39033.91664.99053.62614.55573.31024.07472.96073.86562.80873.64452.6481
3.52882.56403.40912.4771
3.15632.29342.88122.09352.7334
1.98612.65641.93012.5771
1.87252.4952
1.81302.41061.75152.32291.68782.23181.62162.13681.55262.03741.4804
1.93281.4044
1.82231.32411.70461.2386
1.5781
1.14661.4406
1.04671.28850.9362
1.11590.81080.9111
0.6620

７００×１４００
0.78262.936
0.26660.0142ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.2979
8.84179.22477.2193
7.98886.25206.52285.10475.83424.56585.45744.27105.0526
3.95424.61233.60964.1254
3.22853.91373.06293.68992.88773.57272.79603.45162.7012
3.19552.50082.91712.28292.76742.16582.68942.10472.60912.04192.5263
1.97712.44061.91002.35181.84052.2596
1.76842.1634
1.69312.06271.6143
1.95691.5315
1.84491.44381.72581.3506
1.59781.2504
1.4586
1.14151.3046
1.02101.12980.88420.92250.7219

７００×１５００0.83863.096
0.27090.0141ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.5000
9.64399.38977.8742
8.13186.8193
6.63955.56795.93864.98015.55504.65845.14304.31294.69493.9371
4.1992
3.52143.98373.34073.75593.14973.63663.04973.5133
2.94633.25272.72772.96932.49012.81692.36232.73762.29582.65582.22722.57152.15652.48432.08332.39392.00752.30001.92882.20211.84672.09961.76071.99191.6704
1.87791.57481.75671.4732
1.62641.36391.48461.24501.32791.11361.15000.96440.93900.7874ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

８００×６００0.382214
1.76
0.21720.0149Ｖ(ｍ／ｓ)
9.3922
7.66876.64135.42264.85014.53684.20033.83433.4295
3.2535
3.06752.97012.86942.65652.42502.30062.23582.16902.10022.02891.95511.8784
1.79851.71481.62681.53371.43471.32831.21251.08450.93920.7669Ｑ(ｍ３／ｓ)
3.58982.93112.53842.07261.85381.73401.6054
1.46551.31081.2435
1.17241.1352
1.09671.01540.92690.87930.85460.82900.80270.77550.74730.71800.68740.65540.62180.5862
0.54840.50770.46340.41450.35900.2931

８００×７００0.446591.918
0.23280.0148Ｖ(ｍ／ｓ)
9.90318.08597.00265.7176
5.11404.78374.42884.04293.61613.4305
3.23433.13163.02552.80102.55702.42582.35742.28702.21442.13932.06151.9806
1.89631.8081
1.7153
1.61721.51271.4005
1.2785
1.14350.99030.8086Ｑ(ｍ３／ｓ)
4.4226
3.6111
3.12732.55342.28392.1364
1.97791.80551.61491.53201.4444
1.39851.35121.25091.14191.0833
1.05281.02140.98890.95540.92060.88450.84690.80750.76600.72220.67560.62540.57100.51070.44230.3611

８００×８００0.51072
2.076
0.246
0.0147Ｖ(ｍ／ｓ)
10.34398.44587.31435.9721
5.34164.99664.62594.22293.7771
3.5832
3.37833.27103.16012.92572.67082.53372.46232.38882.31302.2345
2.15332.06881.98071.8885
1.79161.68921.5801
1.46291.3354
1.19441.03440.8446Ｑ(ｍ３／ｓ)
5.28284.31343.73563.05012.72812.55192.36252.15671.92901.83001.72541.6706
1.61391.4942
1.36401.29401.25751.22001.18131.1412
1.09971.05661.0116
0.96450.91500.86270.80700.74710.68200.61000.52830.4314

８００×９００0.57472
2.236
0.257
0.0146Ｖ(ｍ／ｓ)
10.7230
8.75537.58236.19095.53735.17974.79554.37763.91553.71453.5021
3.39093.27593.03292.76872.62662.55262.47642.39772.31642.23222.14462.0533
1.95771.85731.75111.63801.51651.38431.2382
1.07230.8755Ｑ(ｍ３／ｓ)
6.16275.03184.35773.55803.18242.97692.75612.51592.25032.13482.0127
1.94881.88271.74311.5912
1.5096
1.46701.4232
1.37801.33131.28291.23251.18011.1251
1.06741.0064
0.94140.8716
0.7956
0.7116
0.61630.5032

８００×１０００0.63872
2.396
0.26660.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.0641
7.06699.03385.77017.8235
4.99706.38794.08015.71353.64935.34453.4136
4.94803.16044.51692.88504.04012.58053.83272.44803.61352.30803.49882.23483.38022.15903.1294
1.99882.85671.82462.7102
1.73112.63381.68232.5552
1.63212.47401.58022.3901
1.52662.3032
1.47112.21281.41342.11861.35322.02001.2902
1.91641.22401.80681.15401.69011.07951.56470.9994
1.42840.9123
1.27760.81601.10640.70670.90340.5770ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

８００×１１００0.70272
2.556
0.27490.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.2926
7.93559.22046.47947.98515.61136.51984.5816
5.8315
4.09795.45483.83325.0502
3.54894.6102
3.2397
4.12352.89773.91192.74903.68812.5917
3.57102.50943.44992.4243
3.19402.24452.91572.04892.7661
1.94382.6882
1.88912.60791.83262.52511.77442.43951.71432.35071.65192.2585
1.58712.16241.51962.06171.44881.95591.3745
1.84411.29591.72501.2122
1.59701.1222
1.45791.02451.30400.91631.12930.79360.92200.6479８００×１２００0.766722.716
0.28230.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.57428.87429.45037.24578.18426.27506.68245.12355.97694.58265.59094.28675.1761
3.96864.7251
3.62284.22633.24044.00943.07413.78012.89833.66012.80633.53602.7111
3.27372.51002.98842.29132.83512.17372.7552
2.11252.67292.04942.58811.98432.5003
1.91702.4094
1.84732.31481.77482.2163
1.6993
2.11311.62022.00471.53701.89011.4492
1.76801.3556
1.63681.25501.4942
1.1456
1.33651.02471.15740.88740.94500.7246

８００×１３００0.83072
2.876
0.28880.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.8334
9.83029.66198.02638.36746.95106.83205.67556.11075.07635.71614.74855.29204.39624.83094.01314.32093.58954.09923.40533.86483.21063.74203.1086
3.61513.0031
3.34702.78043.05542.53822.89862.40792.81692.34012.73282.27022.64602.19812.5563
2.12362.46332.04632.3667
1.96612.26591.88232.16051.79482.04961.70261.93241.60531.80761.5016
1.67351.3902
1.52771.26911.36641.1351
1.18330.98300.96620.8026

８００×１４００0.89472
3.036
0.29470.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.9940
10.73139.79308.76208.48107.5881
6.9247
6.1957
6.19375.54165.7936
5.18365.36394.79924.89654.38104.37963.9185
4.15483.71743.91723.50483.79283.39353.6642
3.27843.39243.0352
3.09682.77082.93792.62862.85512.55452.76992.47832.68192.39952.59102.31822.49672.23382.39882.14632.29672.05492.18981.95932.0774
1.85871.95861.7524
1.8321
1.6392
1.6962
1.5176
1.5484
1.38541.38491.2391
1.19941.07310.97930.8762

８００×１５００0.958723.196
0.3
0.0142ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.2228
11.71829.97999.56798.64288.28607.05686.76556.31186.05125.90425.66055.46625.24064.98994.78394.46314.27894.23414.0593
3.99203.8272
3.86523.70563.73413.58003.45713.3144
3.15593.02562.99402.87042.90962.78952.82272.70622.73312.62032.64042.53142.54442.43942.44462.34372.34052.24392.2316
2.1395
2.11712.02971.99601.9136
1.86711.79001.72861.6572
1.57801.51291.41141.35311.2223
1.17180.99800.9568ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

９００×７００0.502432.018
0.249
0.0149Ｖ(ｍ／ｓ)
10.2879
8.40007.27465.93975.31264.96954.60094.20003.75663.56383.36003.2533
3.14302.90982.65632.52002.44902.37592.30042.22242.14162.05761.97001.8783
1.78191.68001.57151.45491.3282
1.18791.02880.8400Ｑ(ｍ３／ｓ)
5.16894.22043.65502.98432.66922.49682.31162.1102
1.88741.7906
1.6882
1.6346
1.5791
1.46201.3346
1.26611.23051.1937
1.15581.1166
1.07601.03380.98980.94370.89530.84410.7896
0.73100.66730.59680.51690.4220９００×８００0.57456
2.176
0.264
0.0148Ｖ(ｍ／ｓ)
10.76938.7931
7.61506.21765.56125.20214.8162
4.39653.93243.73063.51723.40553.29013.04602.7806
2.63792.56362.48712.40812.32642.24182.15392.0622
1.9662
1.8653
1.75861.64501.52301.39031.24351.07690.8793Ｑ(ｍ３／ｓ)
6.18765.05224.37533.5724
3.19522.98892.76722.52612.25942.14352.02081.95671.89041.75011.59761.51561.47291.42901.3836
1.33671.28801.2375
1.18491.1297
1.07171.01040.94520.8751
0.79880.71450.61870.5052

９００×９００0.64656
2.336
0.27680.0147Ｖ(ｍ／ｓ)
11.19029.13687.91276.46075.77865.40545.00444.56844.08613.87643.65473.53873.4187
3.16512.88932.74102.66382.58432.50222.41742.32942.23802.14282.04301.9382
1.82741.7093
1.58251.44471.2921
1.11900.9137Ｑ(ｍ３／ｓ)
7.23515.90755.11604.1772
3.7362
3.49493.23562.95372.64192.50632.36302.28802.21042.0464
1.86811.7722
1.72231.67091.61781.56301.5061
1.44701.38541.32091.2532
1.1815
1.1052
1.02320.93410.83540.72350.5908

９００×１０００0.71856
2.496
0.28790.0146ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.5661
8.31099.4437
6.78598.17855.8767
6.67774.79835.97274.29175.58704.0146
5.17253.71684.72183.39294.22333.03474.00662.87903.77752.71443.65752.6281
3.53352.53903.27142.35072.98642.14592.83312.03582.7533
1.97842.6711
1.91932.5863
1.85842.49861.79542.40771.73012.3132
1.66222.21471.59142.11171.51742.00331.4395
1.88871.3571
1.76681.2696
1.6357
1.1753
1.4932
1.07301.33550.9596
1.15660.8311
0.94440.6786

９００×１１００0.790562.656
0.29770.0146ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.82719.35009.65687.63438.36306.61156.82845.3983
6.10754.82835.71304.51655.28924.18144.82843.8171
4.31873.4142
4.09703.23893.86273.05373.74012.95683.61322.85653.34522.6446
3.05372.41412.89702.29032.81542.22572.7314
2.15932.64462.09072.55492.01982.46201.94642.36541.87002.26471.7904
2.15931.70712.04851.61951.9314
1.52691.80661.4282
1.67261.3223
1.52691.20711.36571.07971.18270.93500.96570.7634ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

９００×１２００0.86256
2.816
0.30630.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.1369
10.46889.90988.54788.5821
7.4026
7.00736.0442
6.26755.40615.86275.05695.42784.68184.95494.27394.43183.82274.20443.62653.96393.4191
3.83803.31053.70793.19833.43282.96103.13372.70302.97292.56432.88922.49212.80292.41772.71392.34092.62192.26152.52652.17932.42742.09382.32402.00462.21591.91132.1022
1.8133
1.98201.70961.85391.5991
1.71641.48051.56691.35151.40151.20891.21371.04690.99100.8548

９００×１３００0.93456
2.976
0.314
0.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.4252
11.6121
10.1451
9.4812
8.78598.21107.17376.7043
6.4163
5.99646.00195.60915.55675.19315.07264.74064.53704.24014.30424.02254.05803.79243.9292
3.67213.79603.54763.51443.28443.20822.99833.04352.8443
2.95782.76422.86952.68172.77842.59662.68412.50852.58652.41722.48502.32242.37922.22352.26852.12002.15212.01132.02901.8962
1.89801.77381.7572
1.6422
1.60411.49911.43471.34081.24251.1612
1.01450.9481

９００×１４００
1.00656
3.136
0.321
0.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.6092
12.6919
10.2953
10.3628
8.91608.97457.27997.32776.5113
6.55406.09086.13085.63905.67605.14775.18154.60424.63444.36794.3966
4.11814.1451
3.98744.01363.8522
3.87753.5664
3.58983.25573.27713.0886
3.10893.00163.02132.91202.93112.81952.83802.72392.74182.62482.64202.52182.53832.41452.43032.30212.31722.18402.19832.05912.0726
1.92611.9387
1.7832
1.79491.62781.63851.45601.46561.26091.2692
1.02951.0363

９００×１５００
1.07856
3.296
0.32720.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.8603
13.8706
10.5004
11.3253
9.09369.80807.42498.00826.64107.1627
6.21216.70015.75136.20315.25025.66274.69595.06484.45494.80494.20024.5302
4.06684.38633.92894.2376
3.63743.92323.3205
3.58143.1501
3.3976
3.06143.30192.97003.20332.87573.10162.77812.99632.67712.88742.57212.77422.46262.65612.34802.53252.22752.40252.10012.2651
1.96442.11871.8187
1.96161.66031.79071.48501.60171.28601.38701.05001.1325ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

１０００×８００0.63842.276
0.28050.0149ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.1382
7.11069.09435.80587.87595.02806.43064.10535.75173.67195.38033.43484.9811
3.17994.54712.90294.06712.59643.85842.4632
3.63772.32233.52222.24863.40282.17233.15042.01122.87591.83602.72831.74172.6514
1.69272.57231.64222.49061.59002.40611.53612.31861.48022.22761.42212.13281.36162.0335
1.2982
1.92921.23161.81891.16121.70141.0862
1.5752
1.00561.43790.91801.28610.82101.11380.71100.90940.5806

１０００×９００0.71842.436
0.29490.0148ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
11.59408.3291
9.46656.8007
8.19825.88966.69384.80885.98714.30115.60044.02335.18503.72494.73323.40034.23353.04134.01632.88533.78662.72033.66632.63393.54202.5446
3.27932.35582.99362.15062.83992.04022.75991.98272.67751.92352.59251.86252.5046
1.79932.41351.73392.31881.66582.22011.59492.11681.52072.0081
1.4426
1.89331.36011.77101.2723
1.6396
1.17791.49681.0753
1.33880.96181.15940.83290.94660.6800

１０００×１０００
0.79842.596
0.30760.0147ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.0057
9.58549.80267.82648.48936.77796.93155.5341
6.19974.94985.79934.63025.36914.28674.90133.91324.38383.50004.15893.32053.92103.13053.79653.0311
3.66782.9284
3.39572.7111
3.09982.47492.94082.34792.85792.28172.7726
2.21362.68452.14332.59352.07072.4992
1.99542.4011
1.91702.29891.83542.19191.75002.07941.66021.96051.5653
1.83391.4642
1.69791.3556
1.54991.2374
1.3863
1.10681.2006
0.95860.98030.7827

１０００×１１００0.87842.756
0.31870.0146ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.3770
10.8720
10.1057
8.87688.75187.6876
7.14586.27696.39145.6142
5.97865.25165.53514.86205.05294.43854.51943.96984.28753.76614.04233.55083.91393.43803.7812
3.32143.50073.07503.19572.80713.03172.66302.94632.58802.85832.51072.76762.43112.67372.34862.57652.26322.47542.17442.37002.08182.25971.98492.14381.88312.02111.77531.89061.66071.7504
1.5376
1.59791.40361.4292
1.2554
1.23771.08721.01060.8877

１０００×１２００0.95842.916
0.32870.0146ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.6345
12.1089
10.31619.88708.93408.5623
7.2946
6.9911
6.5244
6.25306.1031
5.84925.65035.4152
5.15804.94344.61354.42164.3767
4.1946
4.12643.95473.99543.8292
3.85993.6993
3.57363.42493.2622
3.12653.09482.96613.00762.88252.91782.79642.82522.70772.72942.61592.63012.52072.52692.42182.41932.31872.30672.21072.18842.09742.0632
1.97741.93001.8497
1.78681.71251.63111.5632
1.45891.3982
1.26351.21091.0316
0.9887ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

１０００×１３００
1.03843.076
0.33760.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.950313.4476
10.5739
10.97999.15729.50887.47687.76396.6875
6.94436.25566.49585.79156.01395.28695.48994.72884.91044.48614.65844.22954.39194.0952
4.25253.95644.10833.66293.8036
3.34373.4721
3.1722
3.29403.08283.20122.99073.10552.89583.00702.79762.90502.69582.79932.59012.68962.47982.57502.36442.45522.24312.32922.11482.19601.97822.0542
1.83141.90171.67191.7361
1.4954
1.55281.29501.34471.0574
1.0980

１０００×１４００
1.11843.236
0.34560.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
13.1541
14.7115
10.7403
12.01209.301310.4026
7.59458.49376.79277.59706.35407.10635.8827
6.57925.37016.00594.80325.37194.55675.09624.29614.80484.15974.65224.01864.49443.72054.16103.3964
3.7985
3.22213.6036
3.13133.50203.03783.39752.94133.28952.8416
3.17802.7382
3.06242.63082.94232.51882.81702.40162.68592.27842.54822.14812.40242.00932.24721.86032.0806
1.6982
1.8993
1.51891.69871.31541.47111.07401.2012

１０００×１５００
1.19843.396
0.35290.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
13.4313
16.0961
10.9666
13.1424
9.497411.38177.75469.2931
6.93598.31206.48797.77516.00677.19845.4833
6.57124.90445.87744.65275.57584.38665.25694.24735.09004.10334.9174
3.79894.5526
3.46794.15593.29003.9427
3.1973
3.8316
3.10183.71723.00333.59922.90153.47722.79593.35062.68633.21932.57193.08222.45222.93872.32642.78802.19332.62852.05172.45881.89952.2764
1.73402.07801.55091.8586
1.34311.6096
1.09671.3143

ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

１２００×８００0.76612.477
0.30930.0145ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.21619.35889.97447.64148.6381
6.6176
7.05295.4032
6.30834.83285.90094.52075.46324.18544.98723.82074.46073.41734.23183.24203.98973.05653.8631
2.95953.73212.85923.45522.64703.15422.41642.99232.29242.90802.22782.82122.16132.73162.09272.63902.02172.54301.94822.4432
1.87172.3392
1.79212.23031.7086
2.11591.62101.99491.5283
1.86601.42951.72761.3235
1.57711.20821.41061.08071.2216
0.93590.99740.7641

１２００×９００
0.86212.637
0.32690.0144ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
12.7632
11.0032
10.42118.98409.02497.78047.36886.35266.59095.68206.16525.31505.70794.92085.21064.49214.66054.01784.42133.8116
4.16843.59364.0361
3.47953.89923.36153.61003.1122
3.29542.84103.12632.69523.03832.6193
2.94752.54102.85392.46032.75722.37702.65692.29052.55262.20062.44402.10702.33022.00892.21071.90582.0842
1.79681.94961.68081.80501.55611.64771.42051.47381.2706
1.27631.1003
1.04210.8984

１２００×１０００
0.9581
2.797
0.34250.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
13.2582
12.7027
10.8252
10.37169.37498.98217.65467.33396.84656.55966.40436.13605.92925.68085.41265.18584.84124.63844.59284.40044.33014.1487
4.19264.01694.05043.88073.75003.59293.4232
3.27983.2476
3.1115
3.1561
3.02393.06182.93352.96462.84042.86412.74412.75992.64432.65162.54052.53872.43232.42062.31922.29642.20022.16502.07432.02521.94031.87501.7964
1.7116
1.63991.53091.46681.32581.2702
1.08251.0371

１２００×１１００
1.05412.957
0.35650.0143ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
13.6170
14.3537
11.1183
11.71989.6287
10.1496
7.86188.28717.03187.4122
6.5777
6.93366.0897
6.41925.55915.85984.97225.2412
4.71714.97234.44734.68794.30614.53914.16014.38523.85154.05993.51593.7061
3.33553.51603.24153.41693.14473.31483.04493.20962.94163.10072.83462.98802.72342.87072.60752.74862.48612.62062.35852.48612.22372.34402.08002.19251.92572.02991.75801.8531
1.5724
1.65751.36171.43541.11181.1719

１２００×１２００
1.15013.117
0.369
0.0142ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
14.0316
16.1377
11.4568
13.1765
9.921911.41128.1012
9.3172
7.24598.33356.77797.79536.27517.21705.72846.5882
5.12365.89274.86075.59034.58275.27064.43725.10324.28674.9301
3.96874.56443.62304.16683.43703.95293.34023.84163.24053.72693.1376
3.60863.03123.48622.92093.35932.80633.22752.68693.09022.56182.94632.43042.79522.29142.6353
2.14342.46511.98442.28231.81152.08341.6202
1.86341.4032
1.61381.14571.3177ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

１２００×１３００
1.24613.277
0.38030.0141ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
14.4182
17.9665
11.7724
14.669610.1952
12.70428.324310.37297.44559.27786.96468.67866.44808.03495.8862
7.33485.26486.56054.9946
6.22384.70905.86794.55945.68154.40485.48884.07815.08173.72284.63903.53174.40093.43224.27693.32974.14913.22404.01743.11473.88123.00143.74002.8836
3.59332.76093.44042.63243.28022.49733.11192.35452.93392.20242.74442.03902.54081.86142.31951.66492.0746
1.44181.7966
1.1772
1.4669

１２００×１４００
1.34213.437
0.39050.0141ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
14.6749
19.6952
11.9820
16.081010.3767
13.9266
8.472511.3709
7.5781
10.1706
7.08869.51366.56288.80795.99108.04055.3585
7.19165.08356.82264.79286.43244.6406
6.22814.48326.01694.15075.57073.78905.0852
3.59464.82433.49334.68843.38904.54843.28144.40403.17014.25463.05484.09982.93503.93912.81003.77132.67933.59592.54183.41132.3964
3.21622.24163.00852.07532.7853
1.89452.5426
1.69452.2742
1.4675
1.9695
1.1982
1.6081

１２００×１５００
1.4381
3.597
0.39980.0140ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
15.0134
21.5908
12.2584
17.6288
10.6161
15.26708.668012.4655
7.752911.1494
7.252210.4294
6.71429.65576.12928.81445.4821
7.88385.20087.47934.90347.0516
4.7477
6.82774.58676.59614.24646.10673.87645.57473.67755.2886
3.57395.1396
3.46724.9862
3.3571
4.82783.24334.6642
3.12534.49453.00274.31822.87484.13422.7411
3.94202.60043.73962.45173.52582.29333.29802.1232
3.0534
1.93822.7873
1.73362.49311.5013
2.15901.22581.7628

１２００×１６００
1.53413.757
0.40830.0140ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
15.2255
23.3574
12.4315
19.071210.7660
16.51618.790413.48547.862412.06177.3546
11.2827
6.809010.4457
6.21589.53575.55968.52905.27438.09134.97267.62854.81477.38624.65157.13594.30646.60643.93126.03093.72955.72143.62445.56023.51625.39423.40455.22283.2891
5.04583.16944.86223.04514.67152.91554.47272.77984.26452.63714.04562.48633.81422.32573.56792.15323.3032
1.96563.0154
1.7581
2.6971
1.52252.33571.2432
1.9072

１２００×１７００
1.63013.917
0.41620.0140ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
15.421225.138112.5914
20.5252
10.9045
17.77548.903514.5136
7.963512.98137.4492
12.1429
6.8966
11.24216.2957
10.2626
5.63109.1791
5.34218.70825.03668.21024.8766
7.94934.71137.67994.36187.11023.98176.49063.77746.15753.67105.98413.56145.80543.44835.62113.33145.43053.21025.23293.0842
5.02762.95294.81352.81554.58952.67104.35402.51834.10512.3556
3.83992.18093.55511.99093.24541.78072.90271.54212.51381.25912.0525ＦＸ防音可変側溝 流速・流量表（マニングの公式による）８割水深、現場打ちインバート
呼び名
流水断面積 Ａ（ｍ２）潤
辺 Ｐ（ｍ）径
深 Ｒ（ｍ）
粗 度 係 数 ｎ
勾

配 （‰）
150.0
100.0
75.0
50.0
40.0
35.0
30.0
25.0
20.0
18.0
16.0
15.0
14.0
12.0
10.0
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0

１２００×１８００
1.72614.077
0.42340.0139ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
15.7108
27.1184
12.8278
22.142111.1092
19.17569.070615.6568
8.113014.0038
7.589013.0994
7.0261
12.1278
6.413911.07105.73689.90235.44249.3941
5.13118.85684.96828.57564.79978.28484.44377.6703
4.05657.00193.84836.64263.73996.45543.62836.26283.51306.06383.39395.8582
3.27055.6452
3.14225.42383.00845.19282.86844.95112.7212
4.69712.56564.42852.39994.14252.22183.83502.02833.50101.8141
3.1313
1.57112.71191.28282.2142

１２００×１９００
1.82214.237
0.43
0.0139ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
15.8736
28.9233
12.9608
23.6159
11.2244
20.4520
9.1646
16.6988
8.197114.93597.667713.9713
7.098912.9349
6.480411.8079
5.7962
10.56135.498810.01945.18439.44635.0197
9.14644.84958.83634.4897
8.1807
4.0986
7.4681
3.88827.08473.77876.8852
3.66596.6796
3.5495
6.46753.4291
6.2482
3.30446.02093.17475.78463.03965.53852.89815.28062.74945.00972.59224.72322.42474.41802.24494.09042.04933.73401.83293.33971.58742.8924
1.29612.3616

１２００×２０００
1.91814.397
0.43620.0139ＶＱ(ｍ／ｓ)(ｍ３／ｓ)
16.0259
30.739313.0851
25.0985
11.3320
21.7359
9.252517.7472
8.275715.8736
7.741214.8484
7.167013.7470
6.5425
12.5492
5.851811.22435.551510.64835.234010.0393
5.06789.72054.89609.39104.53288.69444.13797.93693.92557.52953.81497.31743.70107.09893.58356.87353.46206.64053.33606.39883.2052
6.14793.06875.88612.92595.61222.77585.32432.61705.01972.44804.69552.26644.34722.06893.96841.85053.54941.60263.07391.30852.5098