目前 ,国内采用无支撑托换法拆除承重墙的实例较少。阜宁县建行增层扩建改造中 ,利用砖砌体平拱原理 ,对新增设的梁柱采用夹芯式施工方法 ,其受力明确 ,传力合理 ,用无支撑托换技术拆除底层承重墙 ,取得了较好的经济效益。阜宁县建行商业办公楼建于１９８８年 ,底层营业、２～? At present, there are few examples of dismantling the load-bearing wall in China using the unsupported underpinning method. In Funing County Construction Bank expansion expansion project, the use of brick masonry flat arch principle, the newly added beam column sandwich construction method, the force is clear, the force is reasonable, with unsupported underpinning removal of the bottom wall , Achieved good economic benefits. Funing County Construction Bank Commercial Office Building was built in 1988, the bottom of the business, 2 ~?