常用—混凝土的结构(新的要求规范)

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1、实用标准文案混凝土参数（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=0.4EcEcfC1510.01.277.20.912.20x1040.88x104C2013.41.549.61.102.55x1041.02x1041.10x104C2516.71.7811.91.272.80x1041.12x1041.20x104C3020.12.0114.31.433.00x1041.20x1041.30x104C3523.42.2016.71.573.15x1041.26x1041.40x104C

2、4026.82.3919.11.713.25x1041.30x1041.50x104C4529.62.5121.11.803.35x1041.34x1041.55x104C5032.42.6423.11.893.45x1041.38x1041.60x104C5535.52.7425.31.963.55x1041.42x1041.65x104C6038.52.8527.52.043.60x1041.44x1041.70x104C6541.52.9329.72.093.65x1041.46x1041.75x104C7044.52.9931.82.143.70

3、x1041.48x1041.80x104C7547.43.0533.82.183.75x1041.50x1041.85x104C8050.23.1135.92.223.80x1041.52x1041.90x104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fyvEsHPB3004203002702702702.1x105HRB3354553353003003002.0x105HRB4005404003603603602.0x105HRB500630500435410360

4、2.0x105界限受压区高度xb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HPB3000.4010.3930.3850.3770.3690.3610.353HRB3350.3880.3800.3730.3

5、650.3570.3490.342HRB4000.3720.3640.3570.3490.3410.3340.326HRB5000.3530.3460.3380.3310.3240.3170.309β1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。精彩文档实用标准文案附加箍筋承受集中荷载（HPB300）(kN)箍筋直径两侧双肢箍筋总个数146810615.361.191.6122.1152.7

6、827.1108.6162.9217.1271.41042.4169.6254.5339.3424.11261.1244.3366.4488.6610.71483.1332.5498.8665.0831.316108.6434.3651.4868.61085.7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度60度1029.9936.7333.3240.8139.9948.971243.1852.8947.9858.7757.5870.521458.7871.9965.3179.9978.3

7、795.991676.7794.0385.30104.47102.36125.371897.17119.00107.96132.23129.55158.6720119.96146.92133.29163.24159.94195.8922145.15177.77161.28197.52193.53237.0325187.43229.56208.26255.07249.91306.0828235.12287.96261.24319.95313.49383.9532307.09376.11341.21417.90409.46501.48精彩文档实用标准文案纵向

8、受拉钢筋的锚固长度laE钢筋种类抗震等级混凝土等级C15C20C25C30C35