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本文结合某工程实际分析了先开挖浅基坑再开挖深基坑的基坑受力分析,突破工程建设中先开挖深基坑后开挖浅基坑的常规做法,分析了基坑在非对称开挖工作状况下的协同受力状态,并采用有限元进行了模拟,基坑实施完成后监测数据表明,分析结果是可靠的,为类似基坑工程设计积累了成功经验。
In this paper, based on the actual analysis of a project, the foundation pit excavation of the shallow excavation and deep excavation of the foundation pit is analyzed, and the conventional method of excavating the shallow foundation pit after excavation of the deep foundation pit in the project construction is analyzed, and the foundation pit is analyzed. Under the conditions of asymmetrical excavation work, the state of cooperating stress was simulated using finite element method. The monitoring data after the completion of the foundation pit shows that the analysis result is reliable and has accumulated successful experience for the similar foundation pit engineering design.