Municipal Utility Tunnel
Executive Standard:GB 50838-2015
Municipal Utility Tunnel is infrastructure built underground to lay municipal pipelines under integrated planning, design, construction and maintenance. According to the grades and quantities of the pipelines, it can be classified into main line tunnel, branch line tunnel and cable channel etc.. The making methods are precast assembly tunnel and on-site concrete tunnel, among which, the precast assembly tunnel is to cast each section of the tunnel in factory, being tested qualified and transported to construction site to be assembled to a whole. Municipal utility tunnel has so many advantages, such as rational utilization city land, overall arrangement pipeline installation, insurance the safety of engineering construction, economic feasibility, advanced technology and easy to installation and maintenance etc.
Sketch Map of Municipal Utility Tunnel
Features of Precast Assembly Tunnel
Precast Assembly Tunnel has features of high strength concrete, stable quality and long life etc., the connection part adopts special structure and construction method, meanwhile applies water stop and waterproof materials, so as to effectively improve anti-seismic grade as well as prevent water leak. Compared with on-site concrete tunnel, its construction isn’t affected by weather or geographical environment, with advantages of easy to construction, short construction period, small assignment area, less produced waste and less influence on surroundings etc.
Municipal Utility tunnel construction site