Doha Underground – Gold Line | Qatar
Excavation diameter
6.83 m
Tunnel length
5,400 m
Geology
Limestone
Type of support
Prefabricated segments
Completed in
2015
Client
JV ALYSJ
The Gold Line tunnels of the new Doha underground were completed in two years from the start of work.
The execution of the main section of the Gold Line in Doha in record time was accompanied by a quality of execution superior to that of the most qualified competitors.
In this work, innovative real-time geoelectric survey technologies were implemented for the formations to be excavated in front of the TBM.
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