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A Study on the Fatigue behavior of Hybrid Fiber Reinforced High Strength Concrete  

Kim, Nam-Wook (신성대학)
Choi, Go-Bong ((주)동아기술공사)
Kim, Han-Sang (캔사스주립대학교 토목공학과)
Bae, Ju-Seong (전북대학교)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.9, no.1, 2005 , pp. 127-135 More about this Journal
Abstract
Recently, as the concrete structures are becoming bigger, higher, longer and more special, high strength concrete is demanded. But the fracture behavior of high strength concrete is shown more brittle than that of the normal strength concrete. Therefore, in order to improve the brittle fracture behavior and crack propagation resistance, ACI Committee363 has been recommend the use of fiber reinforced concrete which showed superior property against the crack propagation resistance. On the other hand, bridges, concrete pavements and railroads etc. have been exposed to the repetition loading at least several million times during the service life. Therefore, fatigue load is dominantly most of all, but it is very difficult to estimate the suitable fatigue strength calculated by fatigue load. In this research, in order to examine the fatigue behavior of hybrid fiber reinforced high strength concrete, the static and fatigue tests were carried out. And from these results, it was estimated the fatigue strength of hybrid fiber reinforced high strength concrete.
Keywords
Fatigue Behavior; Hybrid Fiber; High Strength; S-N Diagram; Fatigue Strength;
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