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Estimation of The Basic Properties of Two-Lift Concrete Pavement to Apply Korea Condition  

Won, Hong-Sang (중앙대학교 건설환경공학과)
Ryu, Sung-Woo (중앙대학교 건설환경공학과)
Hong, Jong-Yong (명지대학교 토목환경공학과)
Cho, Yoon-Ho (중앙대학교 건설환경공학과)
Publication Information
International Journal of Highway Engineering / v.12, no.1, 2010 , pp. 47-54 More about this Journal
Abstract
This study had a focus on investigating technical validity of Two-Lift Concrete Pavements which had never been constructed in Korea in order to olve the problem of existing concrete pavements. This study found out the application of Steel Fiber Reinforced Concrete (SFRC) which was one of ew techniques. Also, optimal steel fiber contents and pavement thickness were determined. This study also measured compressive strengths, lexural strengths, toughness indexes, tensile strengths and fatigue strengths to estimate the performance of SFRC of according to results of aboratory experiments, slumps and air contents of concrete specimens the standards satisfied and compressive strengths to open traffic. At bending ests, Toughness Index of SFRC increased but flexural strength didn’'t increase as compared with non-steel fiber concretes. And, energy absorption of SFRC was very good and SFRC showed improvement in freezing and thawing resistances. To complete this research, we will evaluate the pplication methods and performance of SFRC at field section.
Keywords
two-lift concrete pavement; steel fiber reinforced concrete pavement(SFRC); performance; toughness index; freezing and thawing resistance;
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  • Reference
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