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이래철(Lee rae chul),박윤제(Park yoon je),배문교(Bae mun gyo),이상범(Lee sang beom) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.2
This paper present the influence of PSG girder with vertically tilted angle to the bending stress in the PSG girder bridge. In addition, this paper show parametic study with the various vertically tilted angle of the girder in the PSG girder Bridge.
이래철 ( Lee Rae Chul ),박윤제 ( Park Yoon Je ),배문교 ( Bae Mun Gyo ),이상범 ( Lee Sang Beom ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.2
This paper present the influence of PSC girder with vertically tilted angle to the bending stress in the PSC girder bridge. In addition, this paper show parametic study with the various vertically tilted angle of the girder in the PSC girder Bridge.
정재훈 ( Chung Jae-hoon ),박윤제 ( Park Yoon-je ),신은우 ( Shin Eun-woo ),이래철 ( Lee Rae-chul ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
Generally Ultrasonic instruments have many errors in measuring concrete crack depth, and use various formulas for calculating concrete crack depth. For improving the reliability of measuring results, there must be solutions in both uniform calculation methods(formulas) and accurate instruments. If there are accurate equipments, we can check the current concrete status at any time and we can extend life cycle of concrete structures by the rehabilitation and repair of concrete facilities. If we estimate the damages of structure through accurate crack depth measurement and prevent the collapse of facilities by maximizing the safety of structure, people can use facilities and structures with safety. In this study, we will develop small sensor, integrated circuits, advanced algorithm respectively for picking up signals. After developing each parts, we will assemble total parts into one piece by efficiently integrating various system parts into one case. By making one piece to be integrated and optimized, we can make the system to be more easier and exact than existing measure equipments in concrete cracks.
정재훈(Chung, Jae-Hoon),박윤제(Park, Yoon-Je),신은우(Shin, Eun-Woo),이래철(Lee, Rae-Chul) 한국구조물진단유지관리학회 2010 한국구조물진단학회 학술발표회논문집 Vol.2010 No.1
Generally Ultrasonic instruments have many errors in measuring concrete crack depth, and use various formulas for calculating concrete crack depth. For improving the reliability of measuring results, there must be solutions in both uniform calculation methods(formulas) and accurate instruments. If there are accurate equipments, we can check the current concrete status at any time and we can extend life cycle of concrete structures by the rehabilitation and repair of concrete facilities. If we estimate the damages of structure through accurate crack depth measurement and prevent the collapse of facilities by maximizing the safety of structure, people can use facilities and structures with safety. In this study, we will develop small sensor, integrated circuits, advanced algorithm respectively for picking up signals. After developing each parts, we will assemble total parts into one piece by efficiently integrating various system parts into one case. By making one piece to be integrated and optimized, we can make the system to be more easier and exact than existing measure equipments in concrete cracks.