This paper briefly introduced the advantages of buildings add layer transformation,taking a teaching building reinforcement and reconstruction project for example,discussed the reinforcement design of existing building frame column,respectively elaborated%简单介绍了建筑物加层改造的优点,以某教学楼加固改造工程为例,探讨了既有建筑框架柱的加固设计,分别阐述了加固方案及相关参数设计计算方法,并总结了一些设计经验,以期指导实践。
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