Working Group 23
Design & Construction of Shafts
Design & Construction of shafts is an integral part of developing subsurface spaces for variety of applications. The length of shafts constructed in the world is much less than tunnels, however, shaft construction is much more challenging and riskier than tunnels.
Iranian Tunnelling Association
North Karegar Ave., after 2nd St.,
Building 467 (new N°1839)
5th Floor, Unit 4, Teheran
Iran
Tel: + 98-21-886304952/+98-21-88630496
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Tel:
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Trondheim, Norway
Tel: +47 48298792
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