In order to study the supporting scheme of soft soil foundation pit under unbalanced height difference field,taking the typical soft soil foundation pit in Zhuhai area as the research background,Midas GTS NX finite element numerical analysis software is used to simulate and analyze the three supporting schemes,and the supporting design points suitable for unbalanced height difference field are obtained.The research shows that the earth pressure on both sides of the soft soil foundation pit with large height difference is unbalanced,and the displacement of the deep side foundation pit to the pit is larger under the condition of bracing support,and the displacement of the shallow side foundation pit to the outside of the pit can be caused.The support form of reinforcement in the pit+active soil reinforcement outside the pile has a signifi-cant inhibitory effect on the deformation of the foundation pit.If it is combined with the construction mea-sures of the shallow side excavation first,it is more favorable to further control the deformation of the founda-tion pit.It is feasible to use finite element numerical analysis software to make decision and selection of dif-ferent support schemes.
关键词
不平衡高差/软土基坑/桩撑支护/数值模拟
Key words
unbalanced height difference/soft soil foundation pit/pile bracing strut support/numeri-cal simulation
维普
万方数据