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Investigation of Different Treatments in Tire Rubber with a View to Concrete Application

Title: Investigation of Different Treatments in Tire Rubber with a View to Concrete Application
Author(s): de Albuquerque,
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 412 - 421
Total Pages: 10
Nb references: 9
Language: English

Abstract: The inadequate disposal of used tires can result in serious consequences to the environment
and human health, which calls for the need of more studies about the reuse of this material.
This paper presents an initial part of an experimental program carried out with mortars, with a
view to the application of tire rubber in concrete. In this research study the tire rubber was
investigated, with maximum size of 1mm, in 4 different surface conditions: without surface
treatment, treated with water, calcium hydroxide and sodium hydroxide. Mortar specimens
were cast with cement sand relation of 1:2.5 and water cement ratio of 0.6, and the rubbers
were used in the contents of 5% and 10%, in substitution to the sand volume. Thus, the study
contemplated 11 mortar mixes, including the reference sample (without tire rubber). Mortar
specimens were characterized both in the fresh state (incorporated air, workability and
specific gravity) and in the hardened state (compressive strength, splitting tensile strength,
direct tensile strength and modulus of elasticity). In addition to the aforementioned tests,
scanning electron microscopy analyses were carried out with the tire rubbers as well as the
sample mortars in order to characterize their microstructure and also verify the differences
between the mortars.

Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.046

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