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116问答网 > 设计板时,为什么不进行斜截面受剪承载力计算

设计板时,为什么不进行斜截面受剪承载力计算

2025-03-16 17:56:34

推荐回答（3个）

回答1：

一般来说，板的跨高比较大，具有足够的斜截面承载能力，故受弯构件斜截面承载力计算主要是对梁和厚板而言。

回答2：

因为民用建筑的板的剪力一般都很小，只靠混凝土就完全能满足其抗剪要求，所以不用计算。

回答3：

是啊，我也很想了解，上面回答的这些书上都有，能从应力应变或结构的受力解释下吗。梁的跨高比大时，剪跨比大于三时会发生斜拉破坏，板的跨高比大剪跨比也就大啊，那怎么保证不被破坏啊，书上说对于薄板斜截面只要满足正截面承载力，斜截面往往就满足了，为什么？

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