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软土及膨胀土放坡基坑的危害及对策

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文章介绍软土及膨胀土土层在放坡基坑中的危害,在施工过程中利用测量监测对基坑边坡进行卸载,消除安全隐患。通过在成都地铁18号线项目基坑施工中的实践证明,在软土及膨胀土地层中采用合理的开挖方案及对策,能够减小基坑边坡的危害,保证基坑安全,具有一定的实际指导性。
Harm and countermeasures of foundation pit with slope in soft soil and expansive soil
This paper introduces the harm of soft soil and expansive soil layer in slope foundation pit,and unloads the slope of foundation pit by measuring and monitoring in the construction process to eliminate potential safety hazards.Through the practice of foundation pit construction in Chengdu Metro Line 18 project,it is proved that adopting reasonable excavation scheme and countermeasures in soft soil and expansive soil stratum can reduce the harm of foundation pit slope and ensure the safety of foundation pit,which has certain practical guidance.

soft soil foundationexpansive soilsloping foundation pitexcavation scheme

郑鄢妍

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中铁二十二局集团轨道工程有限公司,北京 100040

软土地基 膨胀土 放坡基坑 开挖方案

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(4)
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