抽水蓄能电站输水发电系统埋深较大,受排水廊道、隧洞充水、复杂地质条件、天然地下水等多种因素影响,常形成复杂渗流场。依托汪清抽水蓄能电站工程,基于FEFLOW建立包含输水隧洞、地下厂房、排水廊道、围岩、断层的三维渗流稳态模型,分析了沿输水发电系统纵剖面的渗流场分布特征,并对各部位的渗流量进行预测。根据模拟结果对初始方案进行优化,修改方案取消了不必要的中平段排水廊道,并抬升下平段排水廊道使其以自流方式排出渗水,厂房区排水廊道和洞室群渗流量合计8 048.16 m
State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi’an University of Technology,State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi’an University of Technology,Beijing Engineering Corporation Limited,State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi’an University of Technology,School of Civil Engineering, Xijing University,State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi’an University of Technology,State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi’an University of Technology,Department of Earth Sciences, Faculty of Land Resource Engineering, Kunming University of Science and Technology.Simulation of drainage hole arrays and seepage control analysis of the Qingyuan Pumped Storage Power Station in China: a case study[J].Bulletin of Engineering Geology and the Environment,2019.
Mike G. Trefry,Chris Muffels.FEFLOW: A Finite‐Element Ground Water Flow and Transport Modeling Tool[J].Ground Water,2007.