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An assessment on energy absorption capacity of fiber reinforced shotcrete slabs
İstanbul Technical University.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
İstanbul Technical University.
Number of Authors: 3
2016 (English)In: Rock Mechanics and Rock Engineering From the Past to the Future: International Symposium on International Society for Rock Mechanics, ISRM 2016 / [ed] Aydan O.,Ulusay R.,Hindistan M.A.,Tuncay E.,Gercek H., CRC Press/Balkema , 2016, Vol. 2, 751-756 p.Conference paper (Refereed)
Abstract [en]

Shotcrete is a construction material used for reinforcement of the roof and walls of underground spans. Receipt, application, and then time-dependently monitoring the performance of shotcrete after spraying on is important to see the quality of the process and need to be studied substantially. The performance of shotcrete may be carried out by a number of tests and examinations in situ and laboratory. One of the most important laboratory tests is the “determination of energy absorption capacity of fiber reinforced slab specimens” (EN 14488-5) to find out the bearing capacity of shotcrete panels in a specific dimension (60 cm×60 cm×10 cm). Although the quality of aggregate, cement, and water is so effective for a desirable shotcrete mixture, the bearing capacity of it is enhanced by the existence of steel or polypropylene fibers. In this study, various fiber reinforced shotcrete slabs (FRSS) in which the amount and types of fibers are changed, were tested in the laboratories in order to find out the capability for a possible use in the spans of an underground mine. By the help of EN 14488-5, the energy absorption levels of FRSS are found out and discussed. The important results that may be derived from the tests are that considerable amount of fluctuations in the load-deflection performance and energy absorption levels of slabs may be seen when the amount and type of fibers were varied. These results are also discussed with respect to the material characteristic point of view

Place, publisher, year, edition, pages
CRC Press/Balkema , 2016. Vol. 2, 751-756 p.
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
URN: urn:nbn:se:ltu:diva-61250ScopusID: 2-s2.0-85001817343ISBN: 9781138032651OAI: diva2:1059802
International Symposium on International Society for Rock Mechanics, ISRM 2016, Cappadocia, Turkey, 29-31 August 2016
Available from: 2016-12-23 Created: 2016-12-23 Last updated: 2017-01-16Bibliographically approved

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