Water retaining structure for plugging low water head diversion tunnel

• Main Authors: LEI YOUDONG, ZHANG TAO, ZHAO JIYONG, YU ZHICHAO, YAN GUOSHUN, YU LINGGUANG, PENG JILE
• Format: Patent
• Language: English
• Published: 17.06.2015
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

The utility model discloses a water retaining structure for plugging a low water head diversion tunnel. The water retaining structure comprises a tunnel face (2), wherein two I-shaped steel guide rails (4) are respectively arranged in the vertical directions on the two sides of the upstream side of the tunnel face (2). The water retaining structure further comprises a stacked beam (1), wherein the stacked beam (1) adopts a reinforced concrete structure formed by prefabrication; channel steel embedded parts (3) capable of being buckled into the I-shaped steel guide rails (4) are arranged on the stacked beam (1); as the I-shaped steel guide rails (4) are buckled with the channel steel embedded parts (3), the stacked beam (1) is stacked on the upstream side of the tunnel face (2) in sequence to form a stacked beam door for water retaining. Compared with the prior art, the water retaining structure has the advantages that as the stacked beam is tightly buckled with the tunnel face for water retaining, the implementation is simple and easy, and the cost is far lower than that of a steel gate and a gate chamber structure; meanwhile, the construction progress can be shortened, the construction period is shortened, the construction quality of a plug is ensured, and timely power generation and water storage are ensured, therefore, the water blocking structure has obvious benefits.