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Kouhrang III

SuperUser Account | 7/11/2018 12:26:00 PM | (0) Comments | (434) View Count | Return
  This 23 km long water transmission tunnel is the third such tunnel in the region (the first was completed in the 1930’s, and the second in the 1980’s) to transmit up to 255 million cubic meters of water from one of the branches of the famous Karun River to the arid central plains of Iran. The tunnel passes through some extremely complicated geological features such as seismic faults and karstic reservoirs with overburdens of up to 1300 meters.

Tablieh as the Main Contractor has utilized a variety of excavation techniques such as Tunnel Boring Machines (TBM), road headers, and drill and blast with a maximum progress rate of 266 meters per month.
 
Location Chahar Mahal Bakhtiari Province
Client Esfahan Regional Water Board
Consultant Zayand Ab Consulting Engineers
 
Scope of work:
Tunnel length (D=4.1m) 23,409 m
Adits length 3,900 m
Excavation by TBM 246,000 m3
Excavation by Drilling and blasting 270,000 m3
Excavation by road header 42,000 m3
Concrete 280,000 m3
Reinforcement 16,000 ton

 

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