Nanjing Hydraulic Research Institute Under the Ministry of Water Resources, the Ministry of Transport and the Ministry of Electric

Chengdu Branch of Guodian Academy of Science and Technology Co., Ltd.

Juhua Zhang

Fang Wang

Chen Chen

Gang Wu

Jun Li

Sheng Yang

Ming Zhang

Hua Fu

Hua Ling

Denghua Li

Zhaosheng Zhang

Qiming Zhong

Shilin Li

Jingping Ming

Zehua Huangfu

Zhe Hu

Jiefu Wu

Hongxia Fan

Yingli Wu

Wanli Guo

Lifei Gong

Yufeng Huangfu

Jing Yuan

Ting Shen

Yong Li

Ruiji Yi

Limin Xiao

Yongyong Cao

Provided is an underwater repair system for a cavity region of a concrete panel rock-fill dam panel, including a moving platform, a work cabin, a pressure drainage apparatus, a traction apparatus, and a positioning apparatus; the traction apparatus controlling the movement of the moving platform on the surface of a dam concrete panel; the positioning apparatus transmits a detection position; the work cabin is a pressure cabin, the work cabin being connected to the pressure drainage apparatus, and a drill apparatus and grouting apparatus being arranged in the work cabin; the moving platform moves into the cavity region, and the pressure drainage apparatus starts up to drain the water in the work cabin, a partially closed waterless space being formed inside the work cabin, the drill apparatus drilling the concrete panel at the upper end of the cavity region and the grouting apparatus subsequently implementing grouting to complete the repair.

Underwater repair system for cavity region of concrete panel rock-fill dam panel

Growing community of inventors

Nanjing, China

Juhua Zhang