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库水位与降雨耦合作用对土石坝稳定性影响

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水库大坝的稳定性是水库安全运营的重要影响因素。为研究库水位与降雨耦合作用对土石坝稳定性的影响,文章基于数值模拟软件分析了水位上升和下降并联合降雨工况下土石坝稳定性变化规律。计算结果表明:水位升降对孔隙水压力及边坡稳定有重要影响,因此在发生水位变化及降雨时,应加强土石坝稳定性监测。
Influence of Coupling Effect of Reservoir Water Level and Rainfall on Stability of Earth-rock Dam
The stability of the reservoir dam is an important factor affecting the safe operation of reservoir.In order to study the influence of the coupling effect of reservoir water level and rainfall on the stability of earth-rock dam,the stability of earth-rock dam under the condition of rising and falling water level and combined rainfall based on numerical simulation software is analyzed in this paper.The results show that the fluctuation of water level has an important effect on pore water pressure and slope stability,so the stability monitoring of earth-rock dam should be strengthened when water level changes and rainfall occurs.

earth-rock damwater level fluctuationstability coefficientnumerical simulation

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南水北调东线山东干线有限责任公司,山东 济南 250013

土石坝 水位波动 稳定系数 数值模拟

2024

河南水利与南水北调
河南省水利厅

河南水利与南水北调

影响因子:0.382
ISSN:1673-8853
年,卷(期):2024.53(4)
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