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Design and construction of tunnels in zones subjected to high convergences

2014-05Conference object Restricted access
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dc.contributor.authorBhavsar, H.
dc.contributor.authorDinis, A.
dc.contributor.authorAntónio, L.
dc.contributor.authorMira-Fernandes, E.
dc.contributor.authorAntunes, P.
dc.contributor.authorMelâneo, Frederico
dc.date.accessioned2015-10-22T11:47:58Z
dc.date.available2015-10-22T11:47:58Z
dc.date.issued2014-05
dc.description.abstractThe economic development of a region depends on the speed that people and goods can travel. The reduction of people and goods travel time can be achieved by planning smooth road layouts, which are obtained by crossing natural obstacles such as hills, by tunneling at great depths, and allowing the reduction of the road alignment length. The stress state in rock masses at such depths, either because of the overburden or due to the tectonic conditions of the rock mass induces high convergences of the tunnel walls. These high convergence values are incompatible with the supports structural performance installed in the excavation stabilization. In this article it is intended to evaluate and analyze some of the solutions already implemented in several similar geological and geotechnical situations, in order to establish a methodological principle for the design of the tunnels included in a highway section under construction in the region influenced by the Himalayas, in the state of Himachal Pradesh (India) and referenced by "four laning of Kiratpur to Ner Chowk section".pt_PT
dc.identifier.citationBHAVSAR, H.; [et al] -Design and construction of tunnels in zones subjected to high convergences. In Proceedings of World Tunnel Congress 2014. Iguassu Falls: ITA, International Tunnelling and Underground Space Association, 2014. ISBN 978-85-67950-00-6. p. 79.pt_PT
dc.identifier.isbn978-85-67950-00-6
dc.identifier.urihttp://hdl.handle.net/10400.21/5290
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherITA, International Tunnelling and Underground Space Associationpt_PT
dc.subjectTunnellingpt_PT
dc.subjectRock Masspt_PT
dc.subjectTectonicspt_PT
dc.subjectConvergencespt_PT
dc.titleDesign and construction of tunnels in zones subjected to high convergencespt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceIguassu Fallspt_PT
oaire.citation.endPage79pt_PT
oaire.citation.startPage79pt_PT
oaire.citation.titleWorld Tunnel Congress 2014pt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typeconferenceObjectpt_PT

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