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Laboratory testing of the bond strength between shotcrete and rock
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.
2012 (English)In: fib Symposium 2012: Concrete Structures for Sustainable Community - Proceedings, 2012, 433-436 p.Conference paper, Published paper (Refereed)
Abstract [en]

Sustainable tunnel constructions in hard rock depend on efficient reinforcement systems but reliable material parameters are, however, not always available for shotcrete (sprayed concrete). Therefore, parameters for ordinary, cast concrete are often used in the design of structural shotcrete. Shotcrete differs from ordinary concrete through its application technique and the addition of accelerators which gives rapid hardening. Early after spraying the material properties of shotcrete, including the bond to the rock, depend on the accelerator and the micro structure formed. In this project the development of bond strength as a function of age for very young shotcrete is studied.

Place, publisher, year, edition, pages
2012. 433-436 p.
Keyword [en]
Accelerator, Bond strength, Laboratory tests, Micro structure, Shotcrete, Young concrete
National Category
Construction Management
Identifiers
URN: urn:nbn:se:kth:diva-128972Scopus ID: 2-s2.0-84883328843ISBN: 978-919800981-1 (print)OAI: oai:DiVA.org:kth-128972DiVA: diva2:649396
Conference
fib Symposium 2012: Concrete Structures for Sustainable Community; Stockholm; Sweden; 11 June 2012 through 14 June 2012
Note

QC 20130918

Available from: 2013-09-18 Created: 2013-09-17 Last updated: 2013-09-18Bibliographically approved

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Total: 129 hits
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  • apa
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
  • rtf