Influence of limestone filler and of the size of the aggregates on DEF

2016/01/13 by M. Al Shamaa, Shamaa, M. Al, S. Lavaud +10
Engineering · Physics and Astronomy · #Concrete Properties and Behavior #Concrete and Cement Materials Research #FOS: Physical sciences #Innovative concrete reinforcement materials #Materials Science (cond-mat.mtrl-sci) #cond-mat.mtrl-sci

paper · pdf · doi:10.48550/arxiv.1601.03036

16 pages, 9 figures, 4 tables

arxiv created 2016/01/13 · openalex publication_date 2016/01/13 · arxiv updated 2016/01/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

This experimental study aims to determine the effect of limestone filler on concrete expansion due to delayed ettringite formation (DEF). Different mortars made with different sizes and percentages of limestone filler and Portland cement CEM I 52.5N are conserved in water. The expansion of the specimens is measured. Results show that DEF is not inhibited by limestone filler. The kinetics and the amplitude of the swelling depend on the size of the limestone filler. The volume fraction of aggregates changes only the kinetics: the relation between swelling and water uptake depends only on the size of the aggregates.

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