Diversion power station system and construction method thereof: Fid-Bau Portal

Diversion power station system and construction method thereof

ZHANG GONGPING / YANG HUAIDE / ZHU WENWEI / YANG XINGYI

The invention discloses a diversion power station system and a construction method thereof, and belongs to the technical field of design and construction of water conservancy and hydropower engineering buildings. The diversion power station system and the construction method thereof are free of construction channels, simple in construction procedure, low in construction difficulty and small in environmental influence. The diversion power station system comprises a diversion tunnel and a pressure pipeline which communicate with each other. The diversion power station system is characterized by further comprising a pressure regulating tunnel structure, and the lower end of the pressure regulating tunnel structure communicating with the external atmosphere communicates with the tail end of the diversion tunnel. According to the construction method, after the diversion tunnel is constructed, excavation is carried out from bottom to top through a drilling and blasting method according to a specified shape to form a drilling and blasting construction tunnel base hole, and finally a ventilation hole channel and a lining concrete protection wall are drilled at the same time to complete construction of the pressure regulating tunnel structure of the diversion power station system.

本发明公开了一种引水发电站系统及其施工方法，属于水利水电工程建筑物设计建造技术领域。提供一种无需施工通道、施工程序简单、施工难度小且环境影响较小的引水发电站系统及其施工方法。所述的引水发电站系统包括相互连通的引水隧洞和压力管道，其特征在于：所述的引水发电站系统还包括调压隧洞结构，与外部大气连通的调压隧洞结构的低端与引水隧洞的末端连通。所述的施工方法在施工完成引水隧洞后，按规定的形状采用钻爆法由下往上开挖形成钻爆施工隧洞基孔，最后分别同时钻制通气孔道和衬砌混泥土护壁完成所述引水发电站系统的调压隧洞结构的施工。

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