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根据三峡工程永久船闸高边坡变形监测成果,对船闸边坡岩体的变形特征及其影响因素进行了分析。分析认为:永久船闸边坡岩体的变形主要与岩性及地质结构、开挖进程、地应力释放等因素有关。对实测位移与计算位移也进行了比较,并对船闸开挖完成后的最终变形进行了预测。最后认为,船闸边坡整体地质条件较好,只要施工得当加上及时支护,其稳定性是能够得到保证的。
According to the deformation monitoring results of the high slope of the Permanent Ship Lock of the Three Gorges Project, the deformation characteristics and the influencing factors of the rock mass of the shiplock slope are analyzed. The analysis shows that the deformation of rock mass of permanent shiplock slope is mainly related to lithology, geological structure, excavation process and release of geostress. The measured displacement and calculated displacement are also compared, and the final deformation after the completion of shiplock excavation is predicted. Finally, it is considered that the overall geological conditions of shiplock slope are good, and its stability can be guaranteed if it is properly constructed and timely supported.