基于有限元模拟的基坑土层稳定性分析  

Stability Analysis of Foundation Pit Soil Layer Based on Finite Element Simulation

作　　者：王传嘉 WANG Chuanjia(China Railway First Group Second Engineering Co.,Ltd.,Tangshan,Hebei,063004,China)

机构地区：[1]中铁一局集团第二工程有限公司,河北唐山063004

出　　处：《工程建设（维泽科技）》2024年第8期56-59,共4页Engineering Construction

摘　　要：为了研究车站基础上深基坑开挖的土层变化规律与相关稳定性评价,采用ABAQUS仿真施工软件进行基坑开挖过程中的车站及周围土层进行数值模拟的计算分析,建立了车站结构的深基坑开挖的模型,计算了深基坑开挖各个阶段的土体变形趋势以及各个阶段的变形位移。最终以璜溪站工程项目为例,对所建模型计算的各个阶段的土体变形趋势以及相关应力进行对比,结果表明:模拟结果与工程实际开挖完成后现场监测数据基本一致,进一步证实了所建立模型的准确性。In order to study the changes in soil layers and related stability evaluation of deep foundation pit excavation on the basis of the station,ABAQUS simulation construction software was used to numerically simulate and analyze the station and surrounding soil layers during the excavation process.A model of deep foundation pit excavation for the station structure was established,and the deformation trend and displacement of soil in each stage of deep foundation pit excavation were calculated.Finally,taking the Huangxi Station project as an example,a comparison was made between the soil deformation trends and related stresses calculated by the constructed model at each stage.The results showed that the simulation results were basically consistent with the on-site monitoring data after the actual excavation of the project,further confirming the accuracy of the established model.

关 键 词：有限元模拟 车站基础 明挖基坑 稳定性分析 

分 类 号：TU46[建筑科学—结构工程]