[提要]  结合一综合大楼抽柱改造工程，介绍高层框架结构抽柱改造设计中有关概念设计和构造处理方法及托梁内力的电算分析。可供类似工程参考。
[关键词]  框架结构 改造加固 结构设计

Based on an actual project of local demolition column, the concept design of multi-story building renovation, some detail construction and stress analysis of the trimmer are introduced.
Keywords:  multi-story frame structure; reconstruction; structure design