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Filtration and penetrability of cement-based grout: study performed with a short slot
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2011 (English)In: Tunnelling and Underground Space Technology, ISSN 0886-7798, E-ISSN 1878-4364, Vol. 26, no 4, 548-559 p.Article in journal (Refereed) Published
Abstract [en]

Filtration of cement-based grout during penetration through fractures in rock is an important issue while sealing the rock around tunnels. Whether a type of grout could be designed to penetrate a fracture of a certain aperture without filtration is an interesting question that needs to be further investigated. This study examines the question of whether grout penetration can be measured using our designed measuring method as well as which factors and processes influence the penetrability and filtration of the grout.

The penetration and filtration of grout are complex processes influenced by many factors such as the grain-size curve of the cement, hydration and flocculation, pressure, grain concentration, and the geometry of constriction.

The measured results were in agreement with the predicted results, indicating that the filtration process in the given geometry describes correctly.

Place, publisher, year, edition, pages
Elsevier, 2011. Vol. 26, no 4, 548-559 p.
Keyword [en]
Penetrability, Filtration, Measurements, Grout, Short slot
National Category
Civil Engineering Geotechnical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-73140DOI: 10.1016/j.tust.2011.02.007ISI: 000290891800006Scopus ID: 2-s2.0-79955149452OAI: oai:DiVA.org:kth-73140DiVA: diva2:488580
Note
QC 20120208Available from: 2012-02-01 Created: 2012-02-01 Last updated: 2017-12-08Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science/article/pii/S0886779811000332

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