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变形观测在基坑开挖施工对周边既有房屋影响分析 被引量:1

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摘要 根据某13 m深基坑开挖施工对周边既有房屋的工程实测数据案例,分析了变形观测在深基坑开挖施工过程中的重要性和必要性。基坑开始施工过程中,由于出现基坑围护突发渗水引起周边既有7层住宅楼出现较大的沉降和差异沉降,对周边既有7层住宅楼的实测变形观测及房屋受损开裂情况调查,表明沉降曲线、倾斜率变化曲线能够正确反映出基坑开挖过程中的周边既有房屋的沉降倾斜变形情况,能够对周边既有房屋结构安全状况及时迅速作出可靠的判定,对周边既有住宅楼居民及时撤离提供可靠的数据支撑,确保人民群众生命财产安全。
作者 邢伟 薛楠
出处 《四川建筑》 2023年第1期118-119,共2页 Sichuan Architecture
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