Main Engineering Geological Problems and Countermeasures of Lugu Expressway
The engineering geological environment along Luzhou-Gulin Expressway(hereinafter referred to as Lugu Highway)is characterized by complex geological background,fold structure development,bad geological condition,and many sensitive points,which are pregnant with many engineering geological problems affecting highway construction.The main engineering geological problems affecting the proposed highway include seven major problems,such as rock fall and collapse disaster of high dangerous rock,landslide disaster,unstable slope,bedding slope,fold tectonic belt,harmful gas and fragile ecological environment.In view of the above engineering geological problems,the countermeasures,including detailed investigation and drilling validation,supplemented by new digital drilling technology,UAV aerial photography,micro-motion detection,aerial geophysical exploration and other new technical means are suggested on the basis of the advanced scientific research theory.Targeted countermeasures of different disasters should be studied to promote the awareness of the main engineering geological problems along the proposed highway and their impact on the project construction,so as to achieve the goal of safe,economic and green route selection.
engineering geological environmentengineering geological problemsgeological risk controlcomprehensive investigationcountermeasure thought
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