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某框架结构楼板承受超大荷载型钢加固效果分析

赵建昌, 王培江

Earthquake Resistant Engineering　and Retrofitting（2021）

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Abstract
以兰州市某水育早教中心为例,介绍了框架结构楼板在承受超大荷载情况下采用型钢加固的方法,并以其中一榀单层单跨框架为例,采用通用有限元软件ABAQUS对加固前后结构进行对比分析,在分级加载的情况下,分析加固后框架结构楼板和加固型钢的变形、内力及破坏特点.理论分析结果表明:加固后框架结构楼板的承载力提高了约1.55倍,楼板挠度大幅度的减小,结构的刚度、延性均有提高,说明此加固方法可行.
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