Volume 18, Issue 6 (2018)                   MCEJ 2018, 18(6): 143-153 | Back to browse issues page

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Zarei A, Hassani A. Evaluation of Recycled Products from Worn Tires Effect on the Mechanical Properties of Concrete Pavement. MCEJ 2018; 18 (6) :143-153
URL: http://mcej.modares.ac.ir/article-16-19487-en.html
1- Tehran, tarbiat modares university, civil and environmental engineering college, department of highway and transportation
2- Tehran, tarbiat modares university, civil and environmental engineering college, department of highway and transportation , hassani@modares.ac.ir
Abstract:   (5847 Views)
In this research, 0, 5, 10, 15 and 20 percent of crumb rubber mix was used as a fine grained substitute for concrete pavement. Also, in another state, half percent of the steel fibers recovered from worn tires were added to these samples. The results of this study indicate that the compressive strength of samples with 5, 10, 15 and 20% crumb rubber in comparison with the control sample was reduced by 1.6, 36.9, 49.9% and 63.1%, and samples with 0, 5, 10, 15 and 20% crumb rubber and 0.5% steel fibers, respectively, decreased by 0.3, 11.2, 33.7, 5 / 41% and 44.3% respectively. Therefore, it is observed that the compressive strength of concrete containing crumb rubber and steel fibers is better than specimens with crumb rubber. Also, by replacing 5%, 10%, 15% and 20% of crumb rubber in concrete, its indirect tensile strength would be reduced by 7.5%, 15.3%, 41.4% and 31.2% , and by adding 0.5% of the steel fibers to the concrete by replacing 0, 5, 10, 15 and 20% of crumb rubber in concrete, Indirect tensile strength increased by 67.8%, 46.7%, 32.4%, 17.8% and 3.5%, respectively, and it is concluded that the tensile strength of concrete increases due to the addition of steel fibers. 
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Article Type: Original Research | Subject: Roads and Transportation
Received: 2018/04/27 | Accepted: 2018/11/11 | Published: 2019/03/15

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