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利用滑坡宏观现象和有效的量化信息,分别采用定性判断和定量判别的方法对滑坡变形所处阶段进行判识。作者以对枇杷坪古滑坡两年多的位移监测资料为基础,考虑其堆积层滑坡的变形特点,应用WINSURF软件绘制出整个滑体的水平位移形变场;并根据区域变形特征,划分出该滑体的活动区域,结果显示,其强变形区域对应在滑体中段。针对已发生较大变形这一区域,采用位移矢量角的方法,根据矢量角动态特征,探讨变形区域的坡面位移特征,研究滑坡体的变形特征及发展趋势,以期为滑坡时空运动系统研究及稳定性预测提供依据。
Using the macroscopic phenomenon of landslide and effective quantitative information, the stages of landslide deformation are identified respectively by qualitative and quantitative methods. Based on the displacement monitoring data of the loquaping ancient landslide for more than two years, the author takes WINSURF software to draw the horizontal displacement deformation field of the whole landslide considering the deformation characteristics of the landslide of the accumulated layers. According to the deformation characteristics of the area, Body activity area, the results show that the strong deformation of the corresponding area in the middle of the slide. According to the dynamic characteristics of the vector angle, the displacement characteristics of the deformation area and the deformation characteristics and development trend of the landslide body are studied in this area, which has been greatly deformed. Using the method of displacement vector angle, Provide a basis for the stability prediction.