黄岗水库实时监测大坝稳定性研究

Study on Stability of Huanggang Reservoir in Real Time Monitoring

摘要: 大坝的建立为我们带来极大的便利，但我们也不能忽视大坝所带来的危害。库水位升降被认为是影响大坝稳定的重要原因之一。研究水库水位实时监测数值模拟及机理分析，为大坝安全稳定和安全性评估研究提供参考。本文将通过运用FLAC^3D软件对黄岗水库大坝不同水位工况进行实时监测模拟，通过分析浸润线，位移，安全系数，研究其渗流场特性。在蓄水位升高时，浸润线有所升高，且最大位移增大至0.14611 m，安全系数为1.965，均在安全范围内。在蓄水位骤降时，浸润线有所降低，但最大位移增大为0.024 m，安全系数为1.996，对此进行机理分析在安全范围内。并对极端天气下的黄岗水库进行模拟分析，结果表明该大坝满足渗流稳定要求。

Abstract: The construction of the dam has brought us great convenience, but we should not ignore the harm it has brought. The rise and fall of reservoir water level is considered to be one of the important factors affecting dam stability. The numerical simulation and mechanism analysis of real-time monitoring of reservoir water level can provide scientific reference and knowledge basis for dam safety management. In this paper, FLAC^3D software will be used to conduct real-time monitoring and simulation of different water levels of Huanggang Reservoir dam. After analyzing the infiltration line, displacement and safety factor, the seepage field characteristics will be studied. When the water level increases, the infiltration line increases to a certain extent, and the maximum displacement increases to 0.14611 m, and the safety factor is 1.965, which is within the safe range. When the water level plummets, the infiltration line decreases somewhat, but the maximum displacement increases to 0.024 m, and the safety factor is 1.996, which is within the safe range for the mechanism analysis. The simulation analysis of Huanggang reservoir under extreme weather shows that the dam meets the requirement of seepage stability.