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Deformation monitoring and result analysis of an electric power tunnel pipe jacking construction in Guangzhou
Pages: 62-66
Year: Issue:  6
Journal: Geotechnical Investigation & Surveying

Keyword:  隧道工程 顶管施工 支护结构 监测;
Abstract: 本文结合广州萝岗区科翔路220kV电缆隧道顶管施工2、3号工作井及其隧道区间周边建筑物及地表的变形监测实例,系统介绍了施工变形监测方法、测点布设、监测频率、监测警戒值确定及监测成果等内容。通过变形监测数据的分析,总结了顶管施工过程中支护结构和周边地表的变形规律及产生机理,特别是异常数据的分析及安全预测,确保了施工现场和周围环境的安全,可供类似工程参考。
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