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本文选取三峡水利枢纽永久船闸二闸室桩号15+583代表性断面,通过地表测绘与地质编录、钻孔勘探、压水试验、全孔壁数字成像、物探测试、弹变模测试等综合勘察手段,并结合岩体变形监测成果等,查清了中隔墩岩体的工程地质特征、岩体卸荷松驰范围、物理力学性质及其稳定性.
In this paper, the representative section of station No. 15 + 583 of the second lock chamber of the permanent ship lock for the Three Gorges Project is selected. Through comprehensive surveying such as surface mapping and geological cataloging, borehole exploration, water pressure test, digital imaging of the whole wall, geophysical exploration, And combined with the results of deformation monitoring of rock mass, the engineering geological characteristics of the rock mass in mid-septum, the unloading relaxation range of rock mass, the physical and mechanical properties and the stability of the rock mass are ascertained.