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Pull-out tests of 50-year old rock bolts
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0003-2594-4107
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0003-3586-8988
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.ORCID iD: 0000-0002-8152-6092
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2016 (English)In: Proceedings of the International Symposium on Appropriate technology to ensure proper Development, Operation and Maintenance of Dams in Developing Countries, Johannesburg, 2016, p. 263-272, article id 258Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, detailed numerical and analytical calculations are presented with the aim to study the effect of rock bolts and the influence of degradation on the dam safety. In addition, results from inspections and pull-out tests are presented from a case study with rock bolts that has been installed for 50 years. All tested bolts have with margin withstood higher stresses than the maximum allowed stresses according to Swedish standards. At visual inspection, no bolts have shown any major signs of degradation and all investigate bolts are in very good condition.

Place, publisher, year, edition, pages
Johannesburg, 2016. p. 263-272, article id 258
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-221069ISBN: 978-0-620-71042-8 (print)OAI: oai:DiVA.org:kth-221069DiVA, id: diva2:1173117
Conference
ICOLD 2016 International Symposium
Note

QC 201810115

Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-01-15Bibliographically approved

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Hellgren, RikardMalm, RichardJohansson, Fredrik

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Hellgren, RikardMalm, RichardJohansson, FredrikRíos Bayona, Francisco
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Output format
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