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Title: Development of a new test method to evaluate dynamic stability of self-consolidating concrete
Authors: Alami, Mohammad Musa
Erdem, Tahir Kemal
Khayat, Kamal H.
Keywords: Dynamic stability
New test method
Issue Date: 2016
Publisher: RILEM Publications SARL
Series/Report no.: RILEM Proceedings
Abstract: Although many different test methods have been proposed to evaluate the static stability of self-consolidating concrete (SCC), limited test methods have been developed to determine dynamic segregation of SCC. In this study, a new apparatus was developed for testing the dynamic stability of SCC. The new method was called as "Dynamic Sieve Segregation Test" (DSST) which provides a numerical result referred to the "dynamic segregation ratio" (DSR). Higher DSR values indicate dynamically less stable mixtures. Several correlations were successfully established between the test results. SCC mixtures with higher slump flow, higher coarse aggregate-to-total aggregate ratio or higher maximum aggregate size (Dmax) resulted in higher DSR values. A maximum DSR value of 30% was proposed for a dynamically stable SCC. The repeatability of DSST was found to be high with a COV value of 5.30%. Based on the results, DSST was found to be a suitable method to evaluate the dynamic stability of SCC.
Description: 8th International RILEM Symposium on Self-Compacting Concrete -- MAY 15-18, 2016 -- Washington, DC
ISBN: 978-2-35158-156-8
ISSN: 1461-1147
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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