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运用Plaxis有限元软件对h形双排桩基坑支护体系的特性进行了数值模拟分析,结果表明后排桩悬臂段高度、双排桩间距等因素是影响基坑支护体系力学性状及坑边地表沉降的两个主要因素,宜根据基坑工程具体条件经计算比较后对它们选定合适的数值,以获得良好的技术和经济性能.本研究为推广应用h形双排桩基坑支护体系及其设计优化提供了参考依据.
Plaxis finite element software is used to analyze the characteristics of the h-shaped double-row piles pit support system. The results show that the height of the cantilever section and the distance between two rows of piles are the factors that affect the mechanical properties of the pit support system and the pit The two main factors of ground surface settlement should be based on the specific conditions of the foundation pit engineering after the comparison and selection of appropriate values to obtain good technical and economic performance.This study is to promote the use of h-shaped double-row pit pit Conservation system and its design optimization provides a reference.