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Ground behaviour and rock mass composition in underground excavations
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2008 (English)In: Tunnelling and Underground Space Technology, ISSN 0886-7798, Vol. 23, no 1, 46-64 p.Article in journal (Refereed) Published
Abstract [en]

Underground excavations like tunnels, caverns shafts, are located in a vast variety of rock mass and ground conditions with different modes of behaviour. The paper describes the main parameters and features determining the behaviour of the ground surrounding an underground excavation, namely: (1) the ground conditions (rock mass, stresses and water) and (2) the project related features, (size and shape of the opening and excavation method). Based on this a simple, qualitative division of the rock masses is presented, which together with the influence of stresses, ground water and dimension of the excavation, is used to find the probable behaviour. This may help the user to select appropriate rock engineering tool(s) for the geotechnical design as has been described by the two authors in an earlier paper.

Place, publisher, year, edition, pages
2008. Vol. 23, no 1, 46-64 p.
Keyword [en]
rock tunnels, engineering geology, rock mass behaviour, ground, conditions
URN: urn:nbn:se:kth:diva-17251DOI: 10.1016/j.tust.2006.11.005ISI: 000251534100006ScopusID: 2-s2.0-35649020332OAI: diva2:335294
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2012-01-14Bibliographically approved

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Stille, Håkan
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