以选择安全可靠、经济合理的基坑支护方案为出发点,阐述了中心城区紧邻既有保护建筑的某深基坑支护工程现场周边条件及工程地质条件,分析了基坑围护设计方案,并对基坑及周围建筑物进行了监测,实践结果表明：最终方案能有效控制基坑位移,确保周边建筑物的安全。%In the aim of choosing a safe, reliable and economical excavation scheme, this paper describes the surrounding conditions, engineering geology and hydrology conditions of the excavation nearby the existing buildings in the center of city, and analyzes the design scheme of this excavation. Through monitoring this excavation and surrounding buildings, it is shown that the excavation scheme can effectively control the tip displacement and ensure the security of surrounding buildings.
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