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复杂环境条件下异形深基坑开挖变形控制施工技术 被引量:3

Construction Technology of Deformation Control of Shaped Deep Foundation Pit Excavation under Complex Environmental Conditions
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摘要 深基坑施工的变形控制质量,不仅关系到基坑结构的自身安全,还涉及周边既有建筑物的安全。以某基坑工程为例,分析总结了基坑工程的主要工程特点,结合工程实际提出了采取“分区、分块开挖”方式,按照“由外向内、空间对称、随挖随撑”原则,选用分层支撑式开挖的异形深基坑变形控制施工方法,通过围顶水平位移及竖向位移监测、深层水平位移监测等多手段协同监测方案进行施工过程监测,结果显示周围土体变形位移均在预警范围内。表明该施工方法能够有效控制异形深基坑开挖变形,可为同类基坑工程施工提供参考。
作者 金玉 Jin Yu
出处 《建筑科技》 2023年第4期51-54,共4页 Building Technology
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