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正截面承载力计算中,不考虑受拉混凝土作用是因为()。

单选题
2022-02-22 16:57
A、中和轴以下混凝土全部开裂
B、混凝土抗拉强度低
C、中和轴附近部分受拉混凝土范围小且产生的力矩很小
D、混凝土退出工作
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正确答案
D

试题解析

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