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当基坑土层较为软弱、作业空间狭小且施工工期紧张,通常的基坑支护方法又不能满足要求时,可采用锚定式双排桩支护体系。本文主要介绍了锚定式双排桩支护结构的计算方法,结合一工程实例,通过对比数值模拟结果和实际监测结果,分析得出锚定式双排桩作为一种新型的支护结构,能有效地控制基坑周边建筑与土体的变形,支护效果良好,可在类似基坑支护设计中进行推广。
When the foundation pit soil is relatively weak, the working space is small and the construction period is tense, the usual method of supporting the foundation pit can not meet the requirements, the anchor type double-row piles supporting system can be adopted. In this paper, the calculation method of anchored double-row piles supporting structure is mainly introduced. Combined with an engineering example, by comparing the numerical simulation results with the actual monitoring results, it is concluded that the anchored double-row piles can be effectively used as a new type of supporting structure To control the deformation of surrounding buildings and soil, the supporting effect is good, which can be promoted in the design of similar foundation pit support.