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Evaluation and analysis of laboratory tests of bolts-anchored, steel-fiber-reinforced shotcrete linings
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0002-9609-4122
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: Proceedings of the World Tunnel Congress 2017, International Tunnelling Association, 2017Conference paper, Published paper (Refereed)
Abstract [en]

Results from laboratory tests on statically loaded bolt-anchored, steel-fibre-reinforced shotcrete linings in interaction with rock are here evaluated using a 2D finite element model. Calculations are made to determine the state of stress in the rock-shotcrete interface near the rock joints. Plane-stress elements are used with a non-linear material model, capable of describing cracking and de-bonding during loading. The simulated crack position and force-displacement curves are compared with laboratory test results. Since most construction work in underground hard rock involves the use of explosives for excavation work, dynamic load cases are also analysed and compared to results from previous research on vibration resistance of shotcrete. 

Place, publisher, year, edition, pages
International Tunnelling Association, 2017.
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-210903OAI: oai:DiVA.org:kth-210903DiVA, id: diva2:1120980
Conference
ITA-AITES World Tunnel Congress, Bergen Norway, 9-15 June 2017
Note

QC 20170808 QC 20210518

Available from: 2017-07-07 Created: 2017-07-07 Last updated: 2022-06-27Bibliographically approved

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Ahmed, LamisSjölander, AndreasAnsell, Anders

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf