Abstract
Concrete contains crumb rubber and steel fiber from waste tires has recently gained interest among researchers as an alternative material to be used in the construction field. Mechanical properties of the concrete containing crumb rubber replacement and steel fiber at high temperature was investigated experimentally. The waste crumb rubber was chemically treated by using sodium hydroxide (NaOH). Water cement ratio of Treated Rubberized Steel Fiber Concrete (TRSF-Con) was modified to get similar strength as Normal Concrete (NC). A microstructure analysis using Scanning Electron Microscopy (SEM) test was conducted to investigate the bonding of crumb rubber in the concrete mix at ambient and high temperature. The TRSF-Con has performed satisfactory on reducing the growth and crack width compared with normal concrete when exposed to high temperature. The concrete containing crumb rubber and steel fiber have high potential to be utilized as insulating or reinforcement materials for non-structural composite member, which ensure the elements of the structure will not collapse for a prescribe period of time.
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