常用数据—混凝土结构

混凝土参数（N/mm2）混 凝 土 强度等级强度标准值强度设计值模量抗压抗拉抗压抗拉弹性剪变疲变fckftkfcftEcGc=0.4EcEcfC1510.0 1.27 7.20.912.20x1040.88 x104C2013.4 1.54 9.61.102.55x1041.02 x1041.10 x104C2516.7 1.78 11.91.272.80 x1041.12 x1041.20 x104C3020.1 2.01 14.31.433.00x1041.20 x1041.30 x104C3523.4 2.20 16.71.573.15 x1041.26 x1041.40 x104C4026.8 2.39 19.11.713.25 x1041.30 x1041.50 x104C4529.6 2.51 21.11.803.35 x1041.34 x1041.55 x104C5032.4 2.64 23.11.893.45 x1041.38 x1041.60 x104C5535.5 2.74 25.31.963.55 x1041.42 x1041.65 x104C6038.5 2.85 27.52.043.60 x1041.44 x1041.70 x104C6541.5 2.93 29.72.093.65 x1041.46 x1041.75 x104C7044.5 2.99 31.82.143.70 x1041.48 x1041.80 x104C7547.4 3.05 33.82.183.75 x1041.50 x1041.85 x104C8050.2 3.11 35.92.223.80 x1041.52 x1041.90 x104普通钢筋参数（N/mm2）种类极限强度标准值 fstk屈服强度标准值 fyk抗拉强度设计值 fy抗压强度设计值 fy'横向钢筋抗拉设计值 fyvEsHPB3004203002702702702.1 x105HRB3354553353003003002.0 x105HRB4005404003603603602.0 x105HRB5006305004354103602.0 x105界限受压区高度b混凝土强度≤C50C55C60C65C70C75C80有屈服点HPB3000.5760.5660.5560.5470.5370.5280.518HRB3350.5500.5410.5310.5220.5120.5030.493HRB4000.5180.5080.4990.4900.4810.4720.463HRB5000.4820.4730.4640.4550.4470.4380.429无屈服点HPB3000.4010.3930.3850.3770.3690.3610.353HRB3350.3880.3800.3730.3650.3570.3490.342HRB4000.3720.3640.3570.3490.3410.3340.326HRB5000.3530.3460.3380.3310.3240.3170.309β1不超过 C50 时，取为 0.80，C80 时，0.74，其间按线性内插法确定。α1不超过 C50 时，取为 1.00，C80 时，0.94，其间按线性内插法确定。截面受拉区配置不同种类的钢筋时，ξb 应分别计算，并取其较小值。 附加箍筋承受集中荷载（HPB300）(kN)箍筋两侧双肢箍筋总个数直径146810615.361.191.6122.1152.7827.1108.6162.9217.1271.41042.4169.6254.5339.3424.11261.1244.3366.4488.6610.71483.1332.5498.8665.0831.316108.6434.3651.4868.61085.7每根附加吊筋承受集中荷载(kN)吊筋直径HPB300 级HRB335 级HRB400 级45 度60 度45 度60 度45 ...