An assessment on energy absorption capacity of fiber reinforced shotcrete slabs

H. Tunçdemir, E. Güçlü, M. Başyiğit

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


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.

Original languageEnglish
Title of host publicationISRM International Symposium - EUROCK 2016
PublisherInternational Society for Rock Mechanics
Number of pages6
ISBN (Electronic)9781138032651
Publication statusPublished - 2016
EventISRM International Symposium - EUROCK 2016 - Urgup, Turkey
Duration: 29 Aug 201631 Aug 2016

Publication series

NameISRM International Symposium - EUROCK 2016


ConferenceISRM International Symposium - EUROCK 2016

Bibliographical note

Publisher Copyright:
© 2016 Taylor & Francis Group, London


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