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김제춘,장승필,Kim, Je Choon,Chang, Sung Pil 한국강구조학회 2002 韓國鋼構造學會 論文集 Vol.10 No.4
사장교의 정확한 초기형상을 결정하기 위한 초기평형상태 해석법으로 케이블 장력에 큰 영향을 미치는 축방향 변형을 고려한 반복해석 알고리즘을 제시하였다. 해석의 정확성과 수렴성을 향상시키기 위해 매개변수 해석을 통해 케이블 장력의 초기값을 간단하게 결정할 수 있는 방법을 제안하였으며, 3차원 뼈대요속와 탄성현수선요소를 적용한 해석 프로그램을개발하여 사장교의 기하비선형 거동을 고려하였다. 실교량 모델을 포함한 해석 예제를 통하여 본 연구에서 제시한 해석 알고리즘의 정확성과 적용성을 검증하였다. 제안된 해석 알고리즘은 부재 제작시 측방향 변형을 제작 캠버량으로 반영하지 않는 경우나 시공중 발생하는 시공오차나 제작오차의 영향을 제거하기 위해 최종장력을 보정하는 경우에 유용하게 적용될 수 있다. The study proposed the initial equilibrium state analysis method that considers axial deformation, in order to accurately determine the initial shape of a cable-stayed bridge. Sepecifically, the proposed method adopted the successive iteration method. In order to evaluate appropriate initial cable force introduced in the initial equilibrium state analysis, parametric studies were performed and a useful linear analysis method proposed. The geometrically nonlinear static behaviors of cable-stayed bridges were considered, using three-dimensional frame element and elastic catenary cable element. The usefulness and applicability of the analytic method proposed in this study were demonstrated using numerical examples, including a real cable-stayed bridge. The algorithm, is applicable in cases wherein axial deformation is not adopted in the fabrication camber, or final cable force is adjusted to eliminate construction and fabrication errors occurring during construction.
Design and construction of the GK immersed tunnel of Busan-Geoje Fixed Link Project
Yongil Kim(김용일),Woongku Kim(김웅구),Jechun Kim(김제춘),Jungsang Lee(이정상),Kyoungo Kim(김경오) 한국암반공학회 2009 터널과지하공간 Vol.19 No.2
GK침매터널은 침매터널공법으로는 국내 최초이다. 국내 시공사례의 부재, 최대 수심 약 50m에서 이루어지는 침매함체 연결 및 연약지반 등 시공상 많은 어려움에도 불구하고 현재 여덟 개의 침매함체가 성공적으로 시공되었으며 올해 안에 열 두번째 함체까지 시공될 예정이다. 본 논문의 목적은 GK 침매터널에 대한 설계 및 시공 조건을 유사 프로젝트를 수행하는 터널공학자들에게 소개하여 용이하게 프로젝트를 수행할 수 있게 하기 위함이다. The GK immersed tunnel as a part of Busan-Geoje Fixed Link Project, is the first attempt in Korea. In spite of existing of many difficulties in construction like the absent of construction cases in Korea, the connection work under approximately 50 m below sea level and weak ground condition, etc., now eight caissons were installed successfully on the accurate position and we are going to install upto the twelfth caisson in this year. The purpose of this paper is to introduce design and construction conditions of the GK immersed tunnel to advise the tunnel designers who will handle the similar project.
골프 참가자의 자기통제력과 자기의식 및 내기중독의 관계
김제춘(Kim, Je-Chun),조현익(Cho, Hyun-Ik),하상원(Ha, Sang-Won) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.3
The purpose of this study was to investigate the relationship among self-control, self-consciousness, and gambling addiction of golfer. Through convenience sampling method, selected 297 survey questionnaires were used for final analysis form golfer. With the collected date, multiple regression analysis were performed by SPSS 15.0. The results of the analysis were summarized as follow. First, the adventure pursue and physical activities impacts positively, but anger and impulsive temperament negatively influence on private self-consciousness. And the adventure pursue, physical activities, and anger and impulsive temperament impacts positively on public self-consciousness. Moreover, the simple task physical activities, and anger and impulsive temperament impacts positively on social anxiety. Second, the adventure pursue, self-centered, and anger and impulsive temperament impacts positively, but physical activities negatively influence on threat of important relationship. Moreover, the adventure pursue and anger and impulsive temperament impacts positively, but physical activities negatively influence on tolerance and chase. Third, the social anxiety impacts positively, but private self-consciousness negatively influence on threat of important relationship. Moreover, the public self-consciousness impacts positively, but private self-consciousness negatively influence on tolerance and chase.