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Variations in the rheology and penetrability of cement-based grouts: an experimental study
KTH, Superseded Departments, Civil and Architectural Engineering.
2004 (English)In: Cement and Concrete Research, ISSN 0008-8846, E-ISSN 1873-3948, Vol. 34, no 7, 1111-1119 p.Article in journal (Refereed) Published
Abstract [en]

To ascertain the most suitable grouting mixture to use in a specific project or to facilitate making predictions about grouting outcomes, laboratory tests are usually carried out to determine the properties of the particular grout. This paper presents a number of measurements of grout properties relating to the rheology and penetrability of fresh cement-based grout. The main purpose of this study is to investigate and describe variations that can be detected when measurements of these grout parameters are carried out repeatedly. Furthermore, a number of additional factors that can also influence these grout properties have been identified and examined. This study has shown that grout properties do vary and should therefore not to be regarded as uniform. The rheology-related properties of grout have been found to vary more than the penetrability-related parameters. Furthermore, it was found that the water-cement (w/c) ratio, the cement condition, and the mixing equipment could significantly influence the grout properties investigated in this study. Based on these experimental findings, it is therefore recommended that repeated testing be carried out on a specific grout mixture in preference to relying on the results of a single test.

Place, publisher, year, edition, pages
2004. Vol. 34, no 7, 1111-1119 p.
Keyword [en]
penetrability, rheology, physical properties, cement paste
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-41852DOI: 10.1016/j.cemconres.2003.11.023ISI: 000224017400006ScopusID: 2-s2.0-2942722865OAI: diva2:450851
QC 20111023Available from: 2011-10-23 Created: 2011-10-03 Last updated: 2011-10-23Bibliographically approved

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