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Payvand Iran News ...
12/13/12 Bookmark and Share
Photos: World's 2nd longest city road tunnel in 2012 in Iran
Photos by Yunes Khani, Mehr News Agency, Tehran

Niyayesh city road tunnel (10252m) designed to cut down the traffic jams in the Tehran metropolis, is the second-longest under-construction city-road tunnel in the world in 2012 after China's Baotashan city road tunnel (10480m).

The construction of Niyayesh tunnel began on March 2010 and is scheduled to be completed until February 10, 2013 coincided with the 34th anniversary of the victory of the Islamic Revolution.



Project Information (source: Omran Internationa)

  • Client: Municipality of Tehran
  • Consultant: P.O.R. / D2 Consult Joint Venture
  • Contractor: Iranshahr - Tablieh Joint Venture
  • Duration: 30 Months


The Niayesh Tunnel consists of two, three-lanes tubes (one-way traffic in each bore). This tunnel is the longest urban tunnel in Middle East and including big Bifurcations with 30 meters width.

Niayesh Project
Total Length: 9,087 m
North Tunnel
South Tunnel
Length 2,830 m 2,700 m
Average Daily Traffice(AADT) 42,000 52,500
Design Speed 80 km/h 80 km/h
Overburden Max: 40 m Max: 38 m
Min: 4.5 m Min: 6 m
Shotcrete 475,000 m2
Excavation 1,380,000 m3
Final Lining Concrete 365,000 m3









































 

... Payvand News - 12/13/12 ... --


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