C10100%抗压、强度（KN）0.95倍抗压强度（KN）1.15倍抗压强度（KN）0.75倍抗压强度（KN）1.2倍抗压强度（KN）1.3倍抗压强度（KN）1.4倍抗压强度（KN）C15340320390250405440470C20450430520340540585630C25560535650420675730790C30680640770510810880945C3578075091059094510141100C409008551040680108011701260C4510209601170760121513201420C50113010701300850135014601575C55124011751420930148516101730C601350128015501020162017551890230215260170270290315试件强度*横截面积/0.95/1000=千牛加荷速度：小于C30时0.3~0.5MPa=6.75~11.25kn
大于等于C30且小于C60时0.5~0.8MPa=11.25~18kn（大于C60时0.8~1.0MPa=18~22.5kn）
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