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岩溶是工程建设中常见的地质现象。岩溶发育可能引发路基滑动、不均匀沉降、地表塌陷等地质灾害,严重影响高速公路的建设和运营。该文介绍了应用高密度电法在云南某高速公路进行路基勘察的实例,经钻孔验证,证明高密度电法能够有效查明路基岩溶发育及岩体破碎带情况,为后期工程设计及施工提供了重要的地质信息。
Karst is a common geological phenomenon in engineering construction. Karst development may lead to roadbed sliding, uneven settlement, surface collapse and other geological disasters, seriously affecting the construction and operation of the expressway. This paper introduces the application of high density electrical method in a highway in Yunnan Province for roadbed investigation of examples, verified by drilling to prove that high density electrical method can effectively identify subgrade karst development and rock crushing zone for the latter part of the project design and construction Provides important geological information.