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当前学科:2A320040建筑工程施工安全管理
题目:
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现浇混凝土结构拆除芯模或预留孔内模时,对混凝土强度的判断基本标准是()。
A . 标准养护试块强度达到要求
B . 同条件养护试块强度达到要求
C . 芯、孔混凝土强度达到要求
D . 保证不发生塌陷和裂缝
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