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本文结合工程实例,介绍双排钻孔灌注桩加格构冠梁受力体系在深基坑施工中的应用,通过对基坑支护设计、施工、观测等方面探讨,说明该支护方案在海相淤泥土地区超长、超宽深基坑中的应用,相对于环梁结构体系成本大幅度降低,且施工方便,为同类工程提供借鉴。
Based on the engineering example, this paper introduces the application of double-row bored piles reinforced with cantilever beam in the construction of deep foundation pit. Through the discussion on the design, construction and observation of the foundation pit support, The application of ultra-long and ultra-wide deep foundation pit in the silt area greatly reduces the cost of the ring-beam structure system and facilitates the construction, thus providing reference for similar projects.