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Erschienen in: Rock Mechanics and Rock Engineering 9/2016

08.06.2016 | Original Paper

An Experimental Approach to the Development of Dynamic Pressure to Improve Grout Spread

verfasst von: A. N. Ghafar, A. Mentesidis, A. Draganovic, S. Larsson

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 9/2016

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Abstract

Dynamic grouting is one of the methods to improve grout spread in rock that have been investigated since 1985. The results were promising, but all tests were performed under noticeable simplifications related to conditions in rock fractures. This study is an experimental approach to improve the grout spread using low-frequency instantaneous variable pressure as a new alternative with better control of filtration. The method is tested through parallel plates with constrictions of 30 and 43 µm under the applied pressures with 4 s/8 s and 2 s/2 s peak/rest periods. The results reveal conclusively the effectiveness of the method and provide a basis for further development of dynamic grouting.

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Metadaten
Titel
An Experimental Approach to the Development of Dynamic Pressure to Improve Grout Spread
verfasst von
A. N. Ghafar
A. Mentesidis
A. Draganovic
S. Larsson
Publikationsdatum
08.06.2016
Verlag
Springer Vienna
Erschienen in
Rock Mechanics and Rock Engineering / Ausgabe 9/2016
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI
https://doi.org/10.1007/s00603-016-1020-2

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