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http://dx.doi.org/10.11112/jksmi.2010.14.1.102

Strength and Crack Resistance Properties of Fiber Reinforced Concrete Mixed with Recycled PET Fiber  

Kim, Sung-Bae (연세대학교 토목공학과)
Kim, Hyun-Young (연세대학교 토목공학과)
Yi, Na-Hyun (연세대학교 토목공학과)
Kim, Jang-Ho Jay (연세대학교 사회환경시스템공학부)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.14, no.1, 2010 , pp. 102-108 More about this Journal
Abstract
The main objective of this study was to evaluate the effect of recycled PET (RPET) fiber made from waste PET bottles to examine application on concrete member. To evaluate the reinforcement effect of RPET fiber in concrete member, experimental tests were performed, such as mechanical property tests (compressive strength, modulus of elasticity and splitting tensile strength) and drying shrinkage test. In mechanical property tests, compressive strength and modulus of elasticity in concrete mixed with RPET fiber gradually decreased, but splitting tensile strength gradually increased as volume fraction of fiber increased. In drying shrinkage test, free drying shrinkage increased. In restrained case, in contrast, crack occurrence was delayed because of tensile resistance increase by RPET fiber. The comparison of RPET and PP fiber added concrete specimen's properties showed that two materials had similar properties. In conclusion, RPET fiber is an alternative material of PP fiber, even finer for its excellence in eco-friendliness due to the recycling of waste PET bottles and its possible contribution to the pollution declination.
Keywords
Eco-friendly; recycled PET fiber; PP fiber; drying shrinkage; crack resistance;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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