钢筋计算公式

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样品编号,715,,716,,717,,718,,719,,720,,721,,722,,723,,708,,,,,

牌号,,,,,,,,,,,,,,,,,,,,,,,,

公称直径,8,8,10,10,12,12,14,14,16,16,18,18,20,20,22,22,25,25,28,28,36,36,32,32

公称面积,50.27,50.27,78.53981634,78.53981634,113.0973355,113.0973355,153.93804,153.93804,201.0619298,201.0619298,254.4690049,254.4690049,314.1592654,314.1592654,380.1327111,380.1327111,490.8738521,490.8738521,615.7521601,615.7521601,1017.87602,1017.87602,804.2477193,804.2477193

理论重量（kg/m）,0.395,,0.617,,0.888,,1.21,,1.58,,2,,2.47,,2.98,,3.85,,4.83,,7.99,,6.31,

屈服力（kN）,27.6,27.8,38.9,37.1,52.9,51.3,78.1,79.2,88.5,89.6,119.5,121.8,179,181.4,209.6,210,283.5,280.1,281.2,278.6,510,511.8,365.7,362.1

极限（kN）,36,37.5,56.2,55.3,71.7,72.6,103.1,103.4,125,124.1,165.7,164.2,250.3,251.9,291.4,292.5,375.2,375,384,383.4,775.6,770.9,500.1,502.4

屈服强度（Mpa),549,553,495,472,468,454,507,514,440,446,470,479,570,577,551,552,578,571,457,452,501,503,455,450

抗拉强度（Mpa),716,746,716,704,634,642,670,672,622,617,651,645,797,802,767,769,764,764,624,623,762,757,622,625

L0（mm),40,40,50,50,60,60,70,70,80,80,90,90,100,100,110,110,130,130,140,140,180,180,160,160

L1(mm）,52.0,52.0,65.0,65.0,78.0,78.0,92.0,91.0,104.0,105.0,116.0,117.0,128.0,130.0,143.0,142.0,170.0,171.0,180.0,179.0,232.0,233.0,208.0,207.0

伸长率（%）,30,30,30,30,30,30,31,30,30,31,29,30,28,30,30,29,31,32,29,28,29,29,30,29

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1,500,,500,,500,,500,,500,,500,,500,,500,,500,,500,,600,,615,

2,500,,500,,500,,500,,500,,500,,500,,500,,500,,500,,604,,600,

3,500,,500,,500,,500,,500,,500,,500,,500,,500,,500,,604,,621,

4,500,,500,,500,,500,,500,,500,,500,,500,,500,,500,,604,,604,

5,500,,500,,500,,500,,500,,500,,500,,500,,500,,500,,604,,604,

实测总长度（mm）,2500,,2500,,2500,,2500,,2500,,2500,,2500,,2500,,2500,,2500,,3016,,3044,

实测总重量（kg),0.969,,1.529,,2.157,,3.1,,3.848,,4.934,,6.208,,7.358,,9.617,,11.978,,23.6585,,18.645,

重量偏差（%）,-1.9,,-0.9,,-2.8,,2.5,,-2.6,,-1.3,,0.5,,-1.2,,-0.1,,-0.8,,-1.8,,-2.9,

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样品编号,683,,684,,685,,686,,687,,688,,689,,690,,691,,692,,,,,

牌号,,,,,,,,,,,,,,,,,,,,,,,,

公称直径,14,14,16,16,18,18,20,20,22,22,25,25,8,8,10,10,12,12,6,6,6.5,6.5,8,8

公称面积,153.93804,153.93804,201.0619298,201.0619298,254.4690049,254.4690049,314.1592654,314.1592654,380.1327111,380.1327111,490.8738521,490.8738521,50.26548246,50.26548246,78.53981634,78.53981634,113.0973355,113.0973355,28.27433388,28.27433388,33.1830724,33.1830724,50.26548246,50.26548246

理论重量（kg/m）,1.21,,1.58,,2,,2.47,,2.98,,3.85,,0.395,,0.617,,0.888,,0.222,,0.26,,0.395,

屈服力（kN）,103.4,101.5,132.1,132.9,118.7,119.6,145.4,152.9,192.8,179.5,222.5,224.2,24.7,24.9,35.5,33.3,58.2,57.3,15.3,16.2,16.7,15.4,27.9,27

极限（kN）,117.8,116.9,145.2,147.9,160.7,16.6,196.6,196.8,254.2,235.6,293.5,294,32.3,32.3,48.5,40.4,78.6,72.8,22.7,23.5,22.2,23.1,37,38.2

屈服强度（Mpa),672,659,657,661,466,470,463,487,507,472,453,457,491,495,452,424,515,507,541,573,503,464,555,537

抗拉强度（Mpa),765,759,722,736,632,65,626,626,669,620,598,599,643,643,618,514,695,644,803,831,669,696,736,760

L0（mm),70,70,80,80,90,90,100,100,110,110,130,130,40,40,50,50,60,60,30,30,30,30,40,40

L1(mm）,90.0,90.0,103.0,103.0,117.0,117.0,129.0,129.0,142.0,142.0,167.0,167.0,52.0,52.0,65.0,65.0,77.0,77.0,39.0,39.0,39.0,40.0,53.0,52.0

伸长率（%）,29,29,29,29,30,30,29,29,32,29,28,28,30,30,30,30,28,28,30,30,30,33,33,30

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1,506,,558,,515,,515,,515,,496,,510,,500,,500,,560,,500,,500,

2,506,,558,,515,,515,,515,,496,,510,,500,,500,,558,,500,,500,

3,506,,550,,515,,515,,515,,496,,510,,500,,500,,558,,500,,500,

4,506,,555,,515,,515,,515,,496,,510,,500,,500,,558,,500,,500,

5,506,,557,,515,,515,,515,,496,,510,,500,,500,,559,,500,,500,

实测总长度（mm）,2530,,2778,,2575,,2575,,2575,,2480,,2550,,2500,,2500,,2793,,2500,,2500,

实测总重量（kg),2.985,,5.32,,5.02,,6.17,,7.55,