下述论述中哪一个是正确的（）？ -题库考试答案搜索网

下述论述中哪一个是正确的（）？

单选题

2022-01-10 20:59

A、内力不但与梁长度方向的尺寸和外力（包括反力）有关，而且与支承条件有关
B、应力不但与内力有关，而且与材料性能有关
C、应力和内力均与材料性能有关
D、内力只与梁长度方向的尺寸和外力（包括反力）有关，与其他无关；而应力只与内力及截面形状和尺寸有关，与其他无关

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正确答案

D

试题解析

从内力的求法和梁的应力计算公式可知，梁的内力和应力与材料性能无关，与支承条件无关。

标签： CMS专题注册一级结构工程师公共基础知识

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