Deformation Monitoring and Result Analysis on the High Excavated Slopes of TGP's Permanent Shi

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To ensure the stability of the high rock slopes of the permanent shiplock of the Three Gorges Project is the key to the successful construction and normal operation of the shiplock. In the course of the slope excavation, effective deformation monitoring, well understanding of the deformation characteristics, and reasonable analyzing and predicting of the deformation trend of the high slopes are important aspects of work for the slope excavation and dynamic design of the shiplock. The optimized design, successful implementation of deformation monitoring and accurate monitoring results are the important guarantee for carrying out the project. The monitoring design of the permanent shiplock was conducted in accordance with the general principles of “laying stress on the key points, considering parts as well as the whole, planning uniformly and conducting in stages”. The deformation monitoring system of the permanent shiplocks is composed of survey network for horizontal and vertical displacements, monitoring points, inverted plumb lines, tension wires, extensimeters, etc. To ensure the stability of the high rock slopes of the permanent shiplock of the Three Gorges Project is the key to the successful construction and normal operation of the shiplock. In the course of the slope excavation, effective deformation monitoring, and well understanding of the deformation characteristics , and reasonable analyzing and predicting of the deformation trend of the high slopes are important aspects of work for the slope excavation and dynamic design of the shiplock. The optimized design, successful implementation of deformation monitoring and accurate monitoring results are the important guarantee for carrying out the project. The monitoring design of the permanent shiplock was conducted in accordance with the general principles of “laying stress on the key points, considering parts as well as the whole, planning uniformly and conducting in stages ”. The deformation monitoring system of the permanent shiplocks is composed of survey network for horizontal and vertical di splacements, monitoring points, inverted plumb lines, tension wires, extensimeters, etc.
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