지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The Half-depth precast deck is a structural system that utilizes pre-cast panels pre-built at the factory as formwork at the construction stage and as a major structural member at the same time after completion. These systems have joints between segments, and the detail and performance of the joints are factors that have a very large impact on the quality, such as the constructability and durability of the bridge decks. In this study, strength performance evaluation was performed for improved joints using connecting rebar by experimental method. Static loading tests were conducted on the test specimen with improved joint, those with existing joint and those without joint. The test results of the specimens were compared to each other, and the flexural strength required by the design was compared. The flexural strength required in the design was presented by finite element analysis. It has been shown that the flexural strength of the specimens with joints were more than twice that required by the design. But the flexural strength of the specimen with existing joint was about 84% of that without joint. The flexural strength of the specimen with improved joints was a nearly similar degree of that compared to the specimen without joint. And a comparison of the moment-deflection relationship curves of the two specimens also shows a very similar flexural behavior. It is confirmed that improved joint has sufficient flexural strength. In addition to strength, the bridge decks require serviceability, such as deflection and cracking, and in particular, fatigue resistance due to repetitive live loads is an important performance factor. Therefore, further verification studies are required.
목차
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참고문헌 (12)
참고문헌 신청
김동욱 / 2014 / 프리텐션 반두께 바닥판을 갖는 바닥판의 구조성능 평가 / 대한토목학회논문집(국문) 34(6):1707~1721
C. S. Shim / 2001 / Design of Transverse Joints in Composite Bridges with Precast Decks / Journal of Korea Society of Civil Engineers 5(1):17~27
H. K. Ryu / 2007 / Experimental Study on Static and Fatigue Strength of Loop Joints / Journal of Engineering Structures 29(2):145~162
I. Rosenthal / 1984 / Bending Behavior of a Doubleloop Connection between Precast Concrete Slabs / Concrete International 6(11):30~34
신동호 / 2015 / 요철형 이음단면을 갖는 프리캐스트 교량 바닥판의 휨성능 평가 / 한국구조물진단유지관리공학회 논문집 19(3):1~9
C. S. Shim / 2001 / Design of Transverse Joints in Composite Bridges with Precast Decks / Journal of Korea Society of Civil Engineers 5(1):17~27
H. K. Ryu / 2007 / Experimental Study on Static and Fatigue Strength of Loop Joints / Journal of Engineering Structures 29(2):145~162
I. Rosenthal / 1984 / Bending Behavior of a Doubleloop Connection between Precast Concrete Slabs / Concrete International 6(11):30~34
신동호 / 2015 / 요철형 이음단면을 갖는 프리캐스트 교량 바닥판의 휨성능 평가 / 한국구조물진단유지관리공학회 논문집 19(3):1~9
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