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The TISB and the TMF Concepts: Application on a Proposal for a Roadway Tunnel Crossing the Tagus River in Lisbon

The TISB and the TMF Concepts: Application on a Proposal for a Roadway Tunnel Crossing the Tagus River in Lisbon
Author(s):
Presented at IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009, published in , pp. 9-18
DOI: 10.2749/222137809796067759
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The paper presents two innovative and cost-effective concepts for the construction of tunnels using the tunnel boring machine (TBM) technique: the TISB concept to be used when the referred tunnels ...
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Bibliographic Details

Author(s):
Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009
Published in:
Page(s): 9-18 Total no. of pages: 8
Page(s): 9-18
Total no. of pages: 8
Year: 2009
DOI: 10.2749/222137809796067759
Abstract:

The paper presents two innovative and cost-effective concepts for the construction of tunnels using the tunnel boring machine (TBM) technique: the TISB concept to be used when the referred tunnels are executed in soft soils (e.g., alluviums), in seismic areas; and the TMF concept, which allows for the use of a single tunnel that provides the capabilities usually obtained with two parallel roadway tunnels. The paper also presents a proposal for a roadway tunnel, now under study, crossing the Tagus river, in Lisbon, in which these concepts are applied.

Keywords:
earthquakes soft soils tunnel TMF Crossings Roadways TISB Lisbon

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