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http://dx.doi.org/10.7844/kirr.2013.22.1.20

Experimental study on Mechanical Properties and Optimum Mix Design of Sulfur-Rubber Concrete (SRC)  

Na, Okpin (Korea Railroad Research Institute)
Lee, Jaesung (Hannam University, Department of Architectural Engineering)
Publication Information
Resources Recycling / v.22, no.1, 2013 , pp. 20-28 More about this Journal
Abstract
Recently, as the registration of vehicles increases, the utilization of the waste tires is emerging as environmental issues. Crumb rubber reproduced by scrap tires has been reused up to 25% in the construction field. The purpose of this paper is to investigate the mechanical properties of sulfur-rubber concrete (SRC) and to suggest the optimum mix design in terms of the compressive strength. Specimens were prepared with various mixing parameters: amount of sulfur, rubber, and micro-fillers. Two casting processes were also mentioned; dry process and wet process. The results mainly showed that the compressive strength of SRC decreased with an increment of rubber content. However, adding micro-filler and adjusting sulfur contents could improve the compressive strength of SRC. Optimum values of sulfur and rubber content were selected by workability and compressive strength of SRC. SRC can be applied to road constructions where high strength of concrete is not concerned, to wall panels that require low unit weight, to construction of median in highways to resist high impact load, and in sound barriers to absorb sound waves.
Keywords
sulfur-rubber concrete; optimum mix design; mechanical property; dry process; wet process;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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