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이래철,임성순,Lee, Rae-Chul,Yhim, Sung-Soon 한국구조물진단유지관리공학회 1997 한국구조물진단유지관리공학회 논문집 Vol.1 No.1
To study the behavior a deck when it was collide with the ship approaching to the deck to berth, it was analyzed the effect zone by the ship collision which consists of deck slab and PC piles of the quay. The numerical technique is used to simulate the behavior of the deck when the ship hit the expansion joint of deck between the deck slabs. The failure behavior and zone of the deck are determinated by the comprehensive numerical study. The impact energy by the ship is also evaluated. It is concluded that these numerical analysis gave a reasonable estimation of the remedial area of the deck damaged by ship collision.
이래철(Lee Rae-Chul),박윤재(Park Yoonje),김래현(Kim Rae-Hyun),정경자(Jung Gyungja),정종홍(Jung Jong-Hong) 한국구조물진단유지관리학회 2005 한국구조물진단학회 학술발표회논문집 Vol.- No.-
Use of Ultra-sonic test for checking concrete integrity has increased in recent years. In order to test or check the Quality of the cast in place concrete piles, two main types of non destructive integrity tests such as sonic integrity, sonic logging are usually employed. Sonic integrity test is the most common method in integrity test on piles. Sonic logging test in occasionally employed as a part of pre-planned site. This paper presents a full-scale model test results of these two commonly used non-destructive tests on the cast in place concrete piles.
이래철 ( Lee Rae-chul ),박윤제 ( Park Yoonje ),김래현 ( Kim Rae-hyun ),정경자 ( Jung Gyungja ),정종홍 ( Jung Jong-hong ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
Use of Ultra-sonic test for checking concrete integrity has increased in recent years. In order to test or check the quality of the cast in place concrete piles, two main types of non destructive integrity tests such as sonic integrity, sonic logging are usually employed. Sonic integrity test is the most common method in integrity test on piles. Sonic logging test in occasionally employed as a part of pre-planned site. This paper presents a full-scale model test results of these two commonly used non-destructive tests on the cast in place concrete piles.
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.
이래철 ( Lee Rae-chul ),임성순 ( Yhim Sung-soon ),박윤제 ( Park Yun-je ),신철식 ( Shin Chul-shik ),이상범 ( Lee Sang-bum ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.1
본 연구는 항행위험개소에 설치되어 있는 항로표지(등표) 구조물에 변형이 발생함에 따라 그에 대한 원인분석을 통한 내구성 및 안정성평가를 실시하였다. 내구성 측정결과 콘크리트 품질에는 큰 문제가 없는 것으로 평가되었으나, 안정성검토에서 국부적으로 구조물의 안전성에 문제가 발생하는 것으로 검토되었다. 따라서 본 연구에서는 적절한 보수ㆍ보강공법 등을 제시하여 향후 동일한 유형의 구조물에 발생할 수 있는 연구대상 구조물과 같은 결함에 대한 대책을 제시하였다. In this study, we evaluate durability and stability for deformations of navigation mark structures, which are constructed at dangerous navigation places. For the measurement of the durability, the quality of the concrete materials was not serious, but for the assessment of the stability, the results obtained show significant problems in local parts. Using appropriate repair-reinforcement methods presented in this study, the results may serve as a benchmark for future guidelines in analyzing such structures with defects.
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.