多数CBD项目处于闹市区往往毗邻建筑物、道路、地下管线密集的城区,一旦进行土方开挖对周围环境造成不利影响。在城市的改造和建设中,深基坑土方开挖引起的周围地表土沉降、周围土体的变形、管线及其他地上地下市政设施做好必要的改移、保护措施,成为工程管理人员在施工过程要重点关注的地方。 Most CBD projects are located in downtown areas that are often adjacent to buildings, roads and underground pipelines. Once the earth excavation is carried out, the surrounding environment will be adversely affected. In the reconstruction and construction of the city, the surrounding surface soil settlement caused by the earth excavation of the deep foundation pit, the deformation of the surrounding soil body, the pipeline and other above-ground and underground municipal facilities should be properly relocated and protected so as to be the project managers’ The process to focus on.