The new process of tunnel wide waterproof plate construction was successfully run in Chengkun new line

China Paint Network
News: Recently, approved by the Ministry of Science and Technology of the State, invested more than 20 million yuan in the development of tunnel wide waterproof plate construction new technology in Chengkun railway expansion project rice climbing section project department successfully run. The new process is implemented by Chengkun Railway Co., Ltd., and the 11th Bureau of China Railway Group is responsible for on-site testing and work law preparation. The application of this process can not only reduce the intensity of work, improve work efficiency, bring direct economic benefits, but also improve the quality of construction, greatly reduce the safety risks of tunnel construction.
It is learned that the tunnel wide waterproof plate construction new process is based on the waterproof plate width of 7m situation, the use of 8m long waterproof plate craft for non-woven earthen cloth and waterproof plate hanging, with ultrasonic welding fixed process and welding machine welding connection construction process. The new process adopts a comprehensive installation of craft, forming a set of earthen cloth installation, fixing, waterproof plate installation, fixing, welding, rebar tied to the work craft, to meet the railway, highway, hydro-tunnel all kinds of boundary requirements.
Chengkun Railway expansion project Mi Yi to Panzhihua section was fully opened in 2014 and is expected to be completed in 2020, when Panzhihua to Chengdu will take 13 hours to shorten to 4 hours. China Railway 11 Bureau in the construction process of the rice climbing section of the project widely used new technology, new technology, new equipment, modern construction level and site standardization level has been continuously improved.