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Rock mass response during high pressure grouting
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2006 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

The sealing of hard jointed rock by grouting involves several complicated mechanical systems. The result is a complex coupled system of hydro- logical and mechanical precesses. In order to determine the higher order effects of the resulting system the fracture deformations must be assessed. This requires a model that mimics the mechanical behaviour of not only fractures under normal load but also the entire rock mass system. This model indicates that there are two dominant regimes involved; a permeation regime and a high pressure regime.

The pressure limit that separates permeation grouting from high pressure grouting can then be found to be closely related to the in situ stress. In the high pressure regime the deformations may be large but very situation-dependent. The principal deformational eigenmodes of some boundary conditions are considered. The analysis indicates that the usage of high pressure grouting can be both benficial to the operation as well as increase the inflow of water to the excavation.

Place, publisher, year, edition, pages
Stockholm: KTH , 2006. , 62 p.
Trita-JOB. LIC, ISSN 1650-951X ; 2010
National Category
Building Technologies
URN: urn:nbn:se:kth:diva-3853OAI: diva2:9715
2006-02-17, Sal V2, KTH, Teknikringen 76, Stockholm, 10:00
QC 20101115Available from: 2006-02-14 Created: 2006-02-14 Last updated: 2012-01-14Bibliographically approved
List of papers
1. Hydrological cycle modelled as a leaky aquifer in well drawdown calculations
Open this publication in new window or tab >>Hydrological cycle modelled as a leaky aquifer in well drawdown calculations
2006 (English)Article in journal (Other academic) Submitted
Place, publisher, year, edition, pages
Elsvier Science, 2006
National Category
Geotechnical Engineering
urn:nbn:se:kth:diva-5367 (URN)
QS 20120316Available from: 2006-02-14 Created: 2006-02-14 Last updated: 2012-03-16Bibliographically approved

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Gothäll, Rikard
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