Water plugging device is gushed on tunnel underground river

• Main Authors: PU YOUFAN, TAN JIAN, WANG LAISUO, YIN HAO, CHEN XIAOGUANG
• Format: Patent
• Language: English
• Published: 02.12.2015
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

The utility model relates to a water plugging device is gushed on tunnel underground river, this tunnel underground river is gushed the stifled device of water seal and is expanded with one voice mutually with diversion tunnel on the underground river to dig, and the joint bar is arranged to hole wall hoop more than the water surface curve of underground river, installation water conservancy diversion steel pipe, exposing of joint bar is partly fixed with water conservancy diversion pipe welding, builds two standard red brick waterwalls respectively by laying bricks or stones at water conservancy diversion steel pipe both ends head, installs the gate valve in the export of water conservancy diversion steel pipe rivers, adorns a manometer at the gate valve upper reaches to it causes diversion tunnel to connect through a thin steel pipe. The utility model discloses guaranteed to exist the tunnel concrete construction in -process that gushes water in a large number, having overcome of furthest gushes water and to the influence of concrete placement construction, has improved the concrete construction quality, has reduced and gushes water treatment construction cost.