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The Main Water Problems and Corresponding Countermeasures of Deep Underground Water Conservancy Project in Water-rich Area

机译:水中富裕地下水利水利项目的主要水问题及对策

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摘要

With the development of hydropower resources in water-rich karst areas in southwest of China, the success or failure of the construction of underground works will matters lots about the results of the entire process, and the key problems of the construction of underground projects is the water problems. In this paper, a depth analysis of the main problems on water of deep underground projects in Water-rich area has been done in conjunction with the situation of the Jinping grade Ⅱ Hydropower Station under construction in China. Besides, the influence of water problems on the constructions of the projects has been simply analyzed and evaluated. The water management principle that "water blockage combined with water drainage, comprehensive treatment by Local conditions" has been proposed. Some treatments such as consolidation grouting of high confining pressure rock, underground water blockage etc. have been adopted to ensure the stability and security of the surrounding rock and the lining support structure, and effective control of water inflow combined with the use of grouting surrounding rock and tunnel lining joint bearing support functions. Theoretical basis and good engineering practice are provided for the construction of such project.
机译:随着水电资源的富水岩溶地区,在中国地下工程建设的成功或失败的西南发展将问题很多有关整个过程的结果,和地下工程建设的关键问题是水的问题。在本文中,存在的主要问题上的深地下工程水在水富区的深度分析结合已经完成与锦屏Ⅱ级水电站正在建设中的中国的情况。此外,对项目的建设水问题的影响已被简单地分析和评价。水管理原则,即“水堵塞与排水,受当地条件综合治疗”已经提出。一些治疗,如高位盘整的灌浆围压的岩石,地下水等堵塞已经通过,保证了稳定性和围岩和衬砌支撑结构的安全性,有效地控制水的流入与使用注浆围岩组合和隧道衬砌关节轴承支持功能。提供此类项目的建设的理论基础和良好的工程实践。

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