某底商住宅，建于７０年代末，底层为局部框架，２～５层为砖混结构，隔层设圈梁，基础为钢筋混凝土条形基础（无地梁）。由于使用要求改变，须将Ｃ轴承重墙拆除，即基本将底层改建成一个营业大厅（图１、２）。１置换方案原Ｃ轴墙为承重实砌墙，原局部框架通过构造柱将荷... A base commercial house was built at the end of the 1970s. The ground floor was a partial frame, 2-5 floors were brick-concrete structures, and the ring was installed with spacers. The foundation was reinforced concrete strip foundation (without ground beam). Due to changes in the use requirements, the C-bearing heavy wall shall be demolished, ie the ground floor will be basically converted into a business hall (Figs. 1 and 2). 1 Replacement scheme The original C-axis wall is a load-bearing wall; the original partial frame passes through the structural column to ...