某大型商场改造加固施工中的重点、难点及解决方法

The Solutions of Key Points and Difficulties in a Large Shopping Mall Reconstruction and Reinforcement

文章介绍了南京某大型商场改造加固设计、施工过程中的难点及相应的加固方法,涉及到了原基础的加固、楼板预应力筋的放张和恢复张拉、顶层托梁拔柱等内容。所采用的施工措施、加固方法保证了施工中、施工后的结构安全要求,并取得了良好的效果,其成果对类似工程的改造具有重要的参考意义。

This paper introduces the strengthening and alteration design,the difficulty and the strengthening methods in a large shopping mall in Nanjing,and involves the strengthening of the original foundation,tension and recovery of the prestressed reinforcement,the top-floor supporting beam and removing column and so on.The construction measures and the strengthening ensure the structural safety requirements during and after construction,and achieve good results,and it’s achievement has a significant reference value to the similar project.