Large-area three-dimensional slope stability modeling method based on GIS
A modeling method and stability technology, applied in instrumentation, geometric CAD, design optimization/simulation, etc.
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[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings. like figure 1 , 2 , 3, in the present invention, S1 represents step 1, S101 represents step 01 in S1, S102 represents step 02 in S1, and so on.
[0040] Let the study area be the S area.
[0041] S1: Data input and preprocessing:
[0042] r.slope.stability. is the raster module of the open source software package GRASS GIS 6.4, which utilizes the Python programming language for data management, preprocessing and postprocessing tasks. The 5th and 95th percentiles of landslide length L, width W, and L / W ratio of selected shallow landslides were used to constrain the randomization of possible sliding ellipsoids. Since most landslides in Zone S are not very mobile, use the entire landslide area instead of just the steep slopes. The geotechnical characteristics of the sediments in the study area were obtained by conducting direct shear tests on samples collecte...
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