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剪力墙分布筋体积配箍率计算用表

来源:动视网 责编:小OO 时间:2025-09-22 23:17:58
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剪力墙分布筋体积配箍率计算用表

利用表格计算剪力墙分布筋体积配箍率的方法剪力墙分布筋体积配箍率的计算公式如:、可从下表中查到。例:300厚剪力墙,水平分布筋φ12@200,拉筋φ8@400双向,求分布筋的体积配箍率。解:查表:表1a剪力墙约束边缘构件配箍特征值时的最小体积配箍率(%)混凝土强度等级(fc)C20(9.6)C25(11.9)C30(14.3)C35(16.7)C40(19.1)C45(21.1)C50(23.1)C55(25.3)C60(27.5)C65(29.7)C70(31.8)C75(33.8)C80(3
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导读利用表格计算剪力墙分布筋体积配箍率的方法剪力墙分布筋体积配箍率的计算公式如:、可从下表中查到。例:300厚剪力墙,水平分布筋φ12@200,拉筋φ8@400双向,求分布筋的体积配箍率。解:查表:表1a剪力墙约束边缘构件配箍特征值时的最小体积配箍率(%)混凝土强度等级(fc)C20(9.6)C25(11.9)C30(14.3)C35(16.7)C40(19.1)C45(21.1)C50(23.1)C55(25.3)C60(27.5)C65(29.7)C70(31.8)C75(33.8)C80(3
利用表格计算剪力墙分布筋体积配箍率的方法

剪力墙分布筋体积配箍率的计算公式如:

            

、可从下表中查到。

例:300厚剪力墙,水平分布筋φ12@200,拉筋φ8@400双向,求分布筋的体积配箍率。

解:查表:                 

        

表1a     剪力墙约束边缘构件配箍特征值时的最小体积配箍率(%)

混凝土强度等级(fc)

C20

(9.6)

C25

(11.9)

C30

(14.3)

C35

(16.7)

C40

(19.1)

C45

(21.1)

C50

(23.1)

C55

(25.3)

C60

(27.5)

C65

(29.7)

C70

(31.8)

C75

(33.8)

C80

(35.9)

210.0.911.131.361.591.822.012.202.412.622.833.033.223.42
300.0.0.790.951.111.271.411.541.691.831.982.122.252.39
360.0.530.660.790.931.061.171.281.411.531.651.771.881.99
表1b     剪力墙约束边缘构件配箍特征值时的最小体积配箍率(%)

混凝土强度等级
C20C25C30C35C40C45C50C55C60C65C70C75C80
210.0.460.570.680.800.911.001.101.201.311.411.511.611.71
300.0.320.400.480.560.0.700.770.840.920.991.061.131.20
360.0.270.330.400.460.530.590.0.700.760.830.880.941.00
表2   剪力墙拉筋体积配箍率(%)

钢筋直径及间距制表公式:

墙厚

h

6

@100X100

8

@100X100

10

@100X100

12

@100X100

14

@100X100

16

@100X100

2000.300.530.831.201.2.14
2500.300.530.821.181.612.11
3000.290.520.821.171.602.09
3500.290.520.811.171.592.08
4000.290.520.811.161.582.07
4500.290.510.801.161.582.06
5000.290.510.801.161.572.05
表3   剪力墙对称配置的分布筋体积配箍率(%)

墙厚

h

钢筋直径及间距
8@100

8@125

8@150

8@200

10@100

10@125

10@150

10@200

12@100

12@125

12@150

12@200

14@100

14@125

14@150

14@200

16@100

16@125

16@150

16@200

2000.6280.5030.4190.3140.9820.7850.6550.4911.4141.1310.9420.7071.9241.5391.2830.9622.5132.0111.6761.257
2500.4790.3830.3190.2390.7480.5980.4990.3741.0770.8620.7180.5391.4661.1730.9770.7331.9151.5321.2770.957
3000.3870.3090.2580.1930.6040.4830.4030.3020.8700.6960.5800.4351.1840.9470.70.5921.5471.2371.0310.773
3500.3240.2590.2160.1620.5070.4050.3380.2530.7300.5840.4860.3650.9930.7950.6620.4971.2971.0380.8650.9
4000.2790.2230.1860.1400.4360.3490.2910.2180.6280.5030.4190.3140.8550.6840.5700.4281.1170.40.7450.559
4500.2450.1960.1630.1230.3830.3060.2550.1920.5520.4410.3680.2760.7510.6010.5010.3750.9810.7850.6540.490
5000.2190.1750.1460.1090.3410.2730.2280.1710.4920.3930.3280.2460.6690.5350.4460.3350.8740.6990.5830.437
制表公式:,为钢筋间距。

表4   剪力墙对称配置分布筋配筋率(%)

墙厚

h

钢筋直径及间距
8@100

8@125

8@150

8@200

10@100

10@125

10@150

10@200

12@100

12@125

12@150

12@200

14@100

14@125

14@150

14@200

16@100

16@125

16@150

16@200

2000.5030.4020.3350.2510.7850.6280.5240.3931.1310.9050.7540.5651.5391.2321.0260.7702.0111.6081.3401.005
2500.4020.3220.2680.2010.6280.5030.4190.3140.9050.7240.6030.4521.2320.9850.8210.6161.6081.2871.0720.804
3000.3350.2680.2230.1680.5240.4190.3490.2620.7540.6030.5030.3771.0260.8210.6840.5131.3401.0720.40.670
3500.2870.2300.1910.1440.4490.3590.2990.2240.60.5170.4310.3230.8800.7040.5860.4401.1490.9190.7660.574
4000.2510.2010.1680.1260.3930.3140.2620.1960.5650.4520.3770.2830.7700.6160.5130.3851.0050.8040.6700.503
4500.2230.1790.1490.1120.3490.2790.2330.1750.5030.4020.3350.2510.6840.5470.4560.3420.40.7150.5960.447
5000.2010.1610.1340.1010.3140.2510.2090.1570.4520.3620.3020.2260.6160.4930.4110.3080.8040.30.5360.402
制表公式:,为钢筋间距。

.

表5      板钢筋配筋率(%)

墙厚

h

钢筋直径及间距
6@1006@1256@1506@2008@1008@1258@1508@20010@10010@12510@15010@20012@10012@12512@15012@20014@10014@12514@15014@20016@10016@12516@15016@200
600.4710.3770.3140.2360.8380.6700.5590.4191.3091.0470.8730.6551.8851.5081.2570.9422.5662.0531.7101.2833.3512.6812.2341.676
800.3530.2830.2360.1770.6280.5030.4190.3140.9820.7850.6550.4911.4141.1310.9420.7071.9241.5391.2830.9622.5132.0111.6761.257
1000.2830.2260.1880.1410.5030.4020.3350.2510.7850.6280.5240.3931.1310.9050.7540.5651.5391.2321.0260.7702.0111.6081.3401.005
1200.2360.1880.1570.1180.4190.3350.2790.2090.6550.5240.4360.3270.9420.7540.6280.4711.2831.0260.8550.11.6761.3401.1170.838
1400.2020.1620.1350.1010.3590.2870.2390.1800.5610.4490.3740.2800.8080.60.5390.4041.1000.8800.7330.5501.4361.1490.9570.718
1600.1770.1410.1180.0880.3140.2510.2090.1570.4910.3930.3270.2450.7070.5650.4710.3530.9620.7700.10.4811.2571.0050.8380.628
1800.1570.1260.1050.0790.2790.2230.1860.1400.4360.3490.2910.2180.6280.5030.4190.3140.8550.6840.5700.4281.1170.40.7450.559
2000.1410.1130.0940.0710.2510.2010.1680.1260.3930.3140.2620.1960.5650.4520.3770.2830.7700.6160.5130.3851.0050.8040.6700.503
2500.1130.0900.0750.0570.2010.1610.1340.1010.3140.2510.2090.1570.4520.3620.3020.2260.6160.4930.4110.3080.8040.30.5360.402
3000.0940.0750.0630.0470.1680.1340.1120.0840.2620.2090.1750.1310.3770.3020.2510.1880.5130.4110.3420.2570.6700.5360.4470.335
3500.0810.0650.0540.0400.1440.1150.0960.0720.2240.1800.1500.1120.3230.2590.2150.1620.4400.3520.2930.2200.5740.4600.3830.287
4000.0710.0570.0470.0350.1260.1010.0840.0630.1960.1570.1310.0980.2830.2260.1880.1410.3850.3080.2570.1920.5030.4020.3350.251
4500.0630.0500.0420.0310.1120.00.0740.0560.1750.1400.1160.0870.2510.2010.1680.1260.3420.2740.2280.1710.4470.3570.2980.223
5000.0570.0450.0380.0280.1010.0800.0670.0500.1570.1260.1050.0790.2260.1810.1510.1130.3080.2460.2050.1540.4020.3220.2680.201
制表公式:,为钢筋间距。

表6      受弯构件、偏心受拉构件、轴心受拉构件一侧的受拉钢筋的最小配筋百分率(0.2和45ft/fy中的较大值)(%)

砼强度等级C15C20C25C30C35C40C45C50C55C60C65C70C75C80

HPB235( )

0.200.240.270.310.340.370.390.410.420.440.450.460.470.48
HRB335( )

0.14

0.20

0.17

0.20

0.19

0.20

0.210.240.260.270.280.290.310.310.320.330.33
HRB400( )

0.11

0.20

0.14

0.20

0.16

0.20

0.18

0.20

0.200.210.220.240.250.250.260.270.270.28

文档

剪力墙分布筋体积配箍率计算用表

利用表格计算剪力墙分布筋体积配箍率的方法剪力墙分布筋体积配箍率的计算公式如:、可从下表中查到。例:300厚剪力墙,水平分布筋φ12@200,拉筋φ8@400双向,求分布筋的体积配箍率。解:查表:表1a剪力墙约束边缘构件配箍特征值时的最小体积配箍率(%)混凝土强度等级(fc)C20(9.6)C25(11.9)C30(14.3)C35(16.7)C40(19.1)C45(21.1)C50(23.1)C55(25.3)C60(27.5)C65(29.7)C70(31.8)C75(33.8)C80(3
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