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부착식 후 설치 앵커로 연결된 캔틸레버보에 대한 실험적 평가
오홍섭,박성락 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9
Recently, there has been a growing interest in expanded sidewalks for bridges within the country. This paper deals with how to optimize the sections of existing cantilever part through the evaluation study of the structured behavior so that the efficiency of the sections is established and the cost cutting of the volume for the unnecessary need of anchor bolts is expected. In its final analysis, it is supposed that there would be some possibilities to improve workability, safety, and economics compared to the existing construction methods.
대골형 및 표준형 파형강판 이음부 보강에 따른 강도 평가에 대한 실험적 연구
오홍섭 ( Oh Hong-seob ),이주원 ( Lee Ju-won ),박성락 ( Park Sung-rak ),전병건 ( Jun Beong-gun ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
In this study, compressive strength test based on the deep corrugated strugated plate and standard corrugated strugated plate was carried out to assess the compressive characteristics of two types corrugated strugated plate with various bolt connections. An ultimate strength and yeild stress are also examined in the study. Connections bearing failure and local buckling failure occurred when deep corrugated strugated plate was under the compressive force. Furthumore, two kinds of failure mode related with standard corrugated strugated plate and deep corrugated strugated plate and bolt shear failure also occurred.
오홍섭 ( Oh Hong Seob ),주민관 ( Ju Min Kwan ),임준현 ( Lim Jun Hyun ),마창남 ( Ma Chang Nam ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.2
Nowadays, the necessity of the NDT technique for concrete structure has been increased due to maintenance infra-structure. Therefore NDT instrument for automation of maintenance was focused from now. In this study, internal defeat of concrete structure was investigated by using ultrasonic detection device. In the result of the experimental test, the internal cavity and steel arrangement can be detected and it was possible to adopt the ultrasonic detection method to the maintenance of concrete structure.