题目内容

梁的正应力与所在截面的弯矩成______,与截面对中性轴的惯性矩成______。正应力沿截面高度按______分布,离中性轴愈远,正应力愈______,中性轴处正应力等于______。

查看答案
更多问题

对混凝土施加预应力的基本方法有两种,即______和______。

当基础底板厚度为450mm,且配置双层钢筋网,那么应每隔______m设一个直径为______mm的撑脚。

Questions 17-20 are based on the monologue on the art of apologizing. You now have 20 seconds to read questions 17-20. When we have done something wrong, we should

A. look honest and think over the fault carefully.
B. escape from being disturbed.
C. admit the fault and express the regret.
D. forgive ourselves.

预制混凝土构件厂中,长线台座法生产构件时,可采用______或______来张拉冷拔钢丝。

答案查题题库