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Model Test Study on the Stability of Underwater Rock Slope

Author: JiangHaiXi
Tutor: ShenMingRong
School: Tongji University
Course: Geological Engineering
Keywords: Underwater rock slope Sink The impact of waves Model test Stability Analysis
CLC: TV223.3
Type: Master's thesis
Year: 2006
Downloads: 226
Quote: 4
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Abstract


Underwater rock slope stability analysis in engineering practice is of great practical significance , such as the Three Gorges Reservoir , a large number of the original is located above the water tends to be stable natural or artificial rock slope will be submerged resulting in lower slope stability , and underwater rock slope stability due to the combined effects of water pressure , water shock , water seepage , water erosion will bring a lot of uncertainty . For the water slope stability analysis has been relatively mature , the underwater slope stability analysis is necessary to consider the slope of its own stability , but also consider the impact of the water on the slope . Underwater soil slope calculation mode to discuss the study and some model test underwater rock slope is just limited to the exploratory stage of theoretical and computational model , model test study of very little . Existing underwater soil slope stability test and underwater rock slope finite element analysis based on the underwater rock slope model test study , explore the underwater rock in the process of lifting water and wave action slope stability and failure mechanisms . The model test by the arrangement of two slope model structure surface to 30 ° and 50 ° in an artificial flume , wave and current system to lift water testing and wave impact test , and the amount of stress change of the measured rock slope . By analyzing the stress change of the slope of each measurement point , draw some meaningful conclusions : (1) the slope is divided into the three stress variation of the same area , the theoretical values ??calculated to provide a basis ; ( 2) the slope of each changes in regional stress curve and wave waveform corresponding to ; ( 3 ) wave height is the main factors of the size of wave energy cycle size and wave energy propagation related to the full extent ; (4 ) slope front area the greater the distance from the water medium , that is, the smaller the obliquity , slope stability in lifting water lower , while the impact of waves higher stability .

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CLC: > Industrial Technology > Hydraulic Engineering > Hydraulic investigation of hydraulic design > Foundation and its reinforcement > Rock foundation and semi- rock foundation and reinforcement
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