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考虑某地下室工程地质条件及周边环境特点,提出了SMW(Soil Mixing Wall)工法支护方案,采用空间有限单元法分析了在不同支护结构型式、不同桩长、不同刚度条件下,支护结构位移及周边建筑沉降性状.结果表明:SMW工法加支撑的支护方式能有效地控制周边建筑沉降,SMW工法桩桩长对支护结构变形及地面沉降影响很小,支护结构刚度对支护结构变形与地面沉降有一定影响.
Considering the engineering geological conditions and surrounding environment characteristics of a basement, a soil mixing wall (SMW) support method is proposed. The finite element method is used to analyze the influence of different supporting structures, different pile lengths and different stiffness conditions on the support structure Displacement and settlement of surrounding buildings.The results show that the SMW method and the supporting support method can effectively control the settlement of surrounding buildings.The pile length of SMW method has little influence on the deformation of the support structure and the settlement of the ground.The stiffness of the support structure Structural deformation and land subsidence have a certain impact.