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在深基坑开挖的施工过程中,采用何种方法进行水平位移监测,既能够保证精度,又可节省成本,是基坑施工监测的关键问题之一。本文讨论了四种常用的支护结构顶部水平位移监测方法,并将轴线法、单站改正法、前方交会法与测小角法进行精度比较,得出:测小角法与其他方法相比,计算简单、操作方便、监测精度较高,是目前基坑监测中运用较广泛的一种方法。 更多还原

【Abstract】 During the excavation of deep foundation pit,which method we can adopt to monitor the horizontal displacement,that can not only ensure accuracy,but also cut costs,is a key issue to the foundation for the construction monitoring.This paper analysed four methods that are commonly used to monitor horizontal displacement of the top of supporting structure,the axis method,single-point correction method,forward intersection method were compared with small-angle measurement method,and that:small-angle ... 更多还原