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Application of Finite Difference method in selecting slope monitor points
Author(s): XIONG Xiancai~(1, 2), YUE Renbin~1, LU Guangcan~3, TIANTIAN~1(1.COLLEGE Ofcivilengineering, CHONGQING University, CHONGQING 400045, china, 2.BEIBEI Committeeoftraffic, CHONGQING 400700, china, 3.SHAOXING Surveyacademy, SHAOXING 312000, china)
Pages: 56-
59
Year: 2009
Issue:
5
Journal: Geotechnical Investigation & Surveying
Keyword: 滑坡监测; 选点; 有限差分法;
Abstract: 滑坡监测目前主要采用三维位移监测的方法。监测点的布置依靠经验来选择,不能准确而全面地反映滑坡的运动情况。为克服这些不足,本文引入一种新的确定监测点的方法—有限差分法。在介绍有限差分法基本原理的基础上,结合具体的滑坡防治工程,建立起计算模型,并将实测位移值与计算位移值进行对比分析。可以看出,计算位移值与实际监测的位移值相差很小,说明该方法能够较为准确地预测滑坡变形情况,因而可以用于选定滑坡监测点。
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