Experimental Investigation of the Mechanical and Durability Properties of Crumb Rubber Concrete
AbstractRecycling waste tire rubber by incorporating it into concrete has become the preferred solution to dispose of waste tires. In this study, the effect of the volume content of crumb rubber and pretreatment methods on the performances of concrete was evaluated. Firstly, the fine aggregate and mixture were partly replaced by crumb rubber to produce crumb rubber concrete. Secondly, the mechanical and durability properties of crumb rubber concrete with different replacement forms and volume contents had been investigated. Finally, the crumb rubber after pretreatment by six modifiers was introduced into the concrete mixture. Corresponding tests were conducted to verify the effectiveness of pretreatment methods as compared to the concrete containing untreated crumb rubber. It was observed that the mechanical strength of crumb rubber concrete was reduced, while durability was improved with the increasing of crumb rubber content. 20% replacement of fine aggregate and 5% replacement of the total mixture exhibited acceptable properties for practical applications. In addition, the results indicated that the modifiers had a positive impact on the mechanical and durability properties of crumb rubber concrete. It avoided the disadvantage of crumb rubber concrete having lower strength and provides a reference for the production of modified crumb rubber concrete. View Full-Text
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Liu, H.; Wang, X.; Jiao, Y.; Sha, T. Experimental Investigation of the Mechanical and Durability Properties of Crumb Rubber Concrete. Materials 2016, 9, 172.
Liu H, Wang X, Jiao Y, Sha T. Experimental Investigation of the Mechanical and Durability Properties of Crumb Rubber Concrete. Materials. 2016; 9(3):172.Chicago/Turabian Style
Liu, Hanbing; Wang, Xianqiang; Jiao, Yubo; Sha, Tao. 2016. "Experimental Investigation of the Mechanical and Durability Properties of Crumb Rubber Concrete." Materials 9, no. 3: 172.
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