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富水软弱地层基坑支护比选及变形规律分析

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文章以某滨海交通综合改造工程匝道基坑为工程背景,通过现场仪器监测,获取不同支护结构桩(墙)体的水平、竖向位移及支撑内力,结合项目工况及地质条件分析支护结构的变形规律,根据出现的踢脚变形问题,制订解决方案并指导后续工程施工,为富水软弱地层条件下深基坑支护形式选择、支护结构施工及周边环境安全风险控制提供参考。
Comparison and selection of foundation pit support in water-rich weak stratum and analysis of deformation law
This paper takes the ramp foundation pit of a coastal traffic comprehensive reconstruction project as the engineering background,obtains the horizontal and vertical displacement and supporting internal force of piles(walls)with different supporting structures through on-site instrument monitoring,analyzes the deformation law of supporting structures according to the project working conditions and geological conditions,and formulates solutions and guides the follow-up engineering construction according to the kicking deformation problems,which provides a reference for the selection of supporting forms,the construction of supporting structures and the safety risk control of surrounding environment in deep foundation pits under the conditions of rich water and weak stratum.

water-rich weak stratumfoundation pit supportdeformation monitoring

陈国鹏

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中铁隧道勘察设计研究院有限公司,广东 广州 511458

富水软弱地层 基坑支护 变形监测

2024

智能城市
辽宁省科学技术情报研究所

智能城市

ISSN:2096-1936
年,卷(期):2024.10(5)
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