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Fracture dilation during grouting
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics. (Jord- och bergmekanik)
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics. (Jord- och bergmekanik)
2009 (English)In: Tunnelling and Underground Space Technology, ISSN 0886-7798, E-ISSN 1878-4364, Vol. 24, 126-135 p.Article in journal (Refereed) Published
Abstract [en]

Sealing underground excavations from ingress of water constitutes a large part of both the cost and the risk for many infrastructure projects. In this paper we present a mechanical model for the rock mass response when grouting hard jointed rock. The model predicts a stiff and a non-stiff behaviour and a transition between them that is dependent on the relationship between the grouting pressure and the in situ stress conditions. The predictions are consistent with previously published measurements and explain grouting behaviour that has been difficult to model with previous methods.

Place, publisher, year, edition, pages
2009. Vol. 24, 126-135 p.
Keyword [en]
Grouting; Contact pressure; Fracture mechanics; Jacking
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-9788DOI: 10.1016/j.tust.2008.05.004ISI: 000263423700002Scopus ID: 2-s2.0-58249094409OAI: oai:DiVA.org:kth-9788DiVA: diva2:132524
Note
QC 20100714Available from: 2008-12-19 Created: 2008-12-19 Last updated: 2017-12-14Bibliographically approved
In thesis
1. Behaviour of Rock Fractures under Grout Pressure Loadings: Basic Mechanisms and Special Cases
Open this publication in new window or tab >>Behaviour of Rock Fractures under Grout Pressure Loadings: Basic Mechanisms and Special Cases
2009 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH, 2009. 102 p.
Series
Trita-JOB PHD, ISSN 1650-9501 ; 1012
Keyword
Fracture mechanics, grouting, jacking
National Category
Building Technologies
Identifiers
urn:nbn:se:kth:diva-9787 (URN)
Public defence
2009-01-22, F3, KTH, Lindstedtsvägen 26, Stockholm, 10:00 (English)
Opponent
Supervisors
Note
QC 20100714Available from: 2008-12-19 Created: 2008-12-17 Last updated: 2010-07-15Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V58-4SYKKW5-1&_user=4478132&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000034958&_version=1&_urlVersion=0&_userid=4478132&md5=4285993f47b65110244c50718b24ed6d

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