Utility tunnel is the construction of urban underground used to accommodate two types of urban engineering pipeline and ancillary facilities.
Water: water supply, rainwater, sewage, reclaimed water
Gas: gas, heating
Electricity: strong, weak electricity
Facilities: fire, power supply, lighting, monitoring, Ventilation, drainage, marking
Ports: entrances, exits, hoisting, Air inlet, air outlet, branch
Application status at home and abroad
In developed countries, the utility tunnel has existed for more than a century.
As early as 1833, Paris, Britain, London, Hamburg, Germany and other European cities have built underground utility tunnel. In 1933, the former Soviet union built underground utility tunnel in Moscow, Leningrad, Kiev, Lenin. 1953 in Madrid, the construction of the underground utility tunnel.
Others such as Barcelona, Stockholm, New York, Toronto, Montreal, Lyon, Oslo and other cities, have built a more complete underground utility tunnel system.
At present, only Beijing, Shanghai, Shenzhen, Shijiazhuang,, Rizhao, Suzhou, Shenyang and other cities have built a utility tunnel, according to incomplete statistics, the national construction mileage of about 800 km
Utility tunnel has been upgraded to the national strategy, the future development of the speed will be greatly accelerated
Steel utility tunnel as a new structure, with its unique characteristics, in the construction of the utility tunnel, will also play an important role
Steel utility tunnel definition
A the thin steel plate after cold bending forming, as the main force structure, in underground cities for laying electric power, telecommunications, radio and television, water supply, drainage, heating, gas concentration of municipal pipelines of public space structure.
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