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景洪水电站地处澜沧江褶断带内,地质构造发育,岩体破碎,使大坝基础呈现显著的不均一性特点,其中数G23挤压带在坝基发育规模最大,工程性质最差,在电站前期勘察和施工过程中,昆明院对其进行了深入的分析研究工作。本文对G23挤压带工程地质特性及处理措施作专门介绍。
Jinghong Hydropower Station is located in the Lancang fold belt, and the geological structure is developed and the rock mass is broken, resulting in significant heterogeneity of the dam foundation. Among them, the G23 extrusion belt has the largest scale and the worst engineering properties in dam foundation. During the preliminary survey and construction, Kunming Institute carried out in-depth analysis and research. In this paper, G23 extrusion belt engineering geological characteristics and treatment measures for a special introduction.