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Title: Laboratory Investigation of Self-Consolidating Waste Tire Rubberized Concrete

Author(s): Ahmed Gargouri, Atef Daoud, Amara Loulizi, and Abderrazek Kallel

Publication: Materials Journal

Volume: 113

Issue: 5

Appears on pages(s): 661-668

Keywords: compressive strength; flexural strength; heat of hydration; hydration rate; rubberized concrete; self-consolidating concrete; semi-adiabatic calorimetry

Date: 9/1/2016

A detailed laboratory investigation of waste tire rubberized self-consolidating concrete (SCC) was carried out in two phases. The first phase focused on proportioning rubberized mixtures using local materials that meet European specifications for SCC in terms of flow, passing ability, and resistance to segregation. This phase resulted in a selection of four mixtures: one control mixture (no rubber) and three rubberized mixtures containing 10, 20, and 30% waste tire rubber. The second phase of testing concentrated on analyzing the hydration process of the retained mixtures using the results of the semi-adiabatic calorimetry test as well as performing conventional mechanical tests. Results show that rubber particles do not affect concrete hydration rate, but do decrease the adiabatic temperature, given its high specific heat. As reported by other researchers, conventional mechanical properties were also found to decrease as the percent of rubber increases.


Electronic Materials Journal


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