混凝土强度等级不大于C25时,混凝土保护层最小厚度取值表中的保护层厚度数值应增加5。
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在板构件中,负筋布置在板的底部( )
A. 对
B. 错
基础底面钢筋的保护层从基础底面算起,不小于40mm。
A. 对
B. 错
经计算某梁上部纵筋水平中心距为35mm,梁的配筋符合规范要求。
A. 对
B. 错
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