深基坑施工对零距离老建筑的风险控制

该文介绍了上海一百商城（新楼）工程深基坑施工情况。针对新楼基础与邻近老楼的基础距离很近，以及已拆除房屋的桩基与围护桩仍残留在施工现场等的复杂环境，在施工地下连续墙、高压旋喷桩、混凝土支撑以及挖土时，采取措施予以有效控制，从而顺利完成结构施工。

Control of Deep Pit Construction Risk on Zero-distance Buildings

The article introduces the construction of the deep pit for Shanghai No.1 Shopping City (new building).In view of the complex environment that the foundation of the new building is within easy distance of the adjacent old building,and the pile foundation and the enclosing pile of the dis- mounted houses are still remained in the construction field,the measures are taken efficiently to con- trol when the construction of diaphragm,high-pressure rotary spray pile,concrete bracing,and exca- vation so as to smoo...