表1-11混凝土强度标准值(N/mm2)强度种类混凝土强度等级C15C20C25C30C35C40C45fckftk10.01.2713.41.5416.71.7820.12.0123.42.2026.82.3929.62.51强度种类混凝土强度等级C50C55C60C65C70C75C80fckftk32.42.6435.52.7438.52.8541.52.9344.52.9947.43.0550.23.11表1-12混凝土强度设计值 (共 3128 字) [阅读本文] >>
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 表1-11混凝土强度标准值(N/mm2)强度种类混凝土强度等级C15C20C25C30C35C40C45fckftk10.01.2713.41.5416.71.7820.12.0123.42.2026.82.3929.62.51强度种类混凝土强度等级C50C55C60C65C70C75C80fckftk32.42.6435.52.7438.52.8541.52.9344.52.9947.43.0550.23.11表1-12混凝土强度设计值 (共 3128 字) [阅读本文] >>