富水砂层深基坑支护结构设计与施工研究  

Study on Design and Construction of Retaining Structure of Deep Foundation Pit in Water-rich Sand Layer

作　　者：刘键 LIU Jian(Building Materials Tianshui Geological Engineering Survey Institute Co.,Ltd.)

机构地区：[1]建材天水地质工程勘察院有限公司

出　　处：《广东建材》2025年第3期148-151,共4页Guangdong Building Materials

摘　　要：本研究旨在探讨富水砂层地质条件下深基坑支护结构的设计与施工问题。通过地质条件分析,研究设计适应性基坑形状和支护结构,包括20m和28m高的外层和内层钢板桩,并结合混凝土封底,确保了基坑的稳固性。监测数据显示基坑结构在填土筑岛过程中保持了良好的稳定性。The purpose of this study is to discuss the design and construction of deep foundation pit support structure under the geological condition of water-rich sand layer.Through the analysis of geological conditions,research and design of adaptive foundation pit shape and supporting structure,including 20m and 28m high outer and inner steel sheet piles,combined with concrete bottom sealing,to ensure the stability of the foundation pit.The monitoring data show that the foundation pit structure maintains good stability in the process of filling the island.

关 键 词：富水砂层 深基坑 支护结构 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]