【摘 要】
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Combining the GIS (geographic information systems) grid-based data with four proposed column-based 3D slope stability analysis models,a comprehensive solution o
【机 构】
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Civil and Environment Engineering School
论文部分内容阅读
Combining the GIS (geographic information systems) grid-based data with four proposed column-based 3D slope stability analysis models,a comprehensive solution of a high-steep open-pit slope has been obtained.For six searching ranges,19 critical slip surfaces of different sizes have been studied,in which the minimum 3D safety factor is 1.33.Comparison of 3D safety factors of designed and proposed slope plans shows for all the critical slip surfaces for the proposed plan,the smallest 3D safety factor is 1.33 under the most unfavorable condition.This means that the proposed plan of the high slopes,about 600 m,of an open pit (2-5°steeper than designed plan) is feasible.
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