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什么叫剪跨比？以及对无腹筋梁的斜截面承载力与斜截面破坏形态有何影响？
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什么叫剪跨比？以及对无腹筋梁的斜截面承载力与斜截面破坏形态有何影响？
时间：2021-12-27 02:23
关键词：
国家开放大学(水工钢筋混凝土结构(本))
CMS专题
本科
水利水电工程
答案解析
剪跨比是剪跨和截面有效高度的比值。剪跨比越大，梁的受剪承载力越低。小剪跨比时，大多发生斜压破坏，受剪承载力很高；中等剪跨比时，大多发生剪压破坏，受剪承载力次之；大剪跨比时，大多发生斜拉破坏，受剪承载力很低。
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