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Analysis of the interaction between rock and shotcrete for tunnel support
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0001-8375-581X
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0001-8336-1247
2017 (English)In: XXIII Nordic Concrete Research Meeting / [ed] Marianne Tange Holst, 2017Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

The first part of a project aiming at increase the knowledge and understanding of how shotcrete (sprayed concrete) in interaction with rock could better be modelled is presented. The study focus on how an irregular thickness of shotcrete will affect its structural capacity. Examples show that continuously bonded shotcrete have an ability to redistribute local stresses while partly de-bonding leads to localized, wide cracks. One goal is to obtain a better understanding for how and why cracking and bond failure is initiated. The results obtained so far are here briefly summarized and commented, also showing some examples of results.

Place, publisher, year, edition, pages
2017.
Keyword [en]
Cracking, Fibres, Modelling, Structural Design, Testing.
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-225521OAI: oai:DiVA.org:kth-225521DiVA, id: diva2:1195703
Conference
Nordic Concrete Research
Funder
Rock Engineering Research Foundation (BeFo)
Note

QC 20180411

Available from: 2018-04-06 Created: 2018-04-06 Last updated: 2018-04-11Bibliographically approved

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Ansell, Anders

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