Corrugated Steel Utility Tunnel, corrugated metal culvert pipe suppilers

Corrugated Steel Utility Tunnel

Hengshui Yitong Pipe Industry Co.,Ltd. is professional corrugated culvert pipes manufacturer, we have many successful cases for your reference, if you need any questions about corrugated metal tunnel, welcome to contact our professional staff to communicate with you!

Information

Come to China corrugated metal tunnel manufacturer

Hengshui Yitong Pipe Industry Co.,Ltd. is professional corrugated culvert pipes manufacturer, we have many successful cases for your reference, if you need any questions about corrugated metal tunnel, welcome to contact our professional staff to communicate with you!

Utility tunnel is the construction of urban underground used to accommodate two types of urban engineering pipeline and ancillary facilities.

Depth of cover

The minimum allowable depth of cover is the largest of:

For roads H=B/8+0.2(m) H=B/6(m) and not less than 0.6（m）

For railways H=B/4 and not less than 0.6(m)

There is a possibility to reduce depth of cover provided that suitable checking calculations will be made.

Durability

Flexible structure	Plate thickness	Kinds of standard corrosion protection	Required average min value(um）
plates	≧6mm	Hot zinc galvanizing	85
	≧3mm do < 6mm	Hot zinc galvanizing	70
	≧1.5mm do < 3mm	Hot zinc galvanizing	55
Bolts and nuts	-	Hot zinc galvanizing	45

Major Component

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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