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박찬민,이연정,홍민하,정철호,신예니,곽영숙,류재성,박태원,이성애,반건호 대한의학회 2016 Journal of Korean medical science Vol.31 No.4
We assessed empathy in medical residents, including factors modifying empathy and the relationship between empathy and burnout. Participants (n = 317 residents, response rate = 42%) from 4 university hospitals completed a socio-demographic questionnaire, the Jefferson Scale of Empathy (Health Professional version, Korean edition), and the Maslach Burnout Inventory (MBI). Participants were classified by medical specialty: “peopleoriented specialty” (POS group) or “technology-oriented specialty” (TOS group), with more women in the POS than in the TOS group, χ2 = 14.12, P < 0.001. Being female, married, and having children were factors related to higher empathy (gender, t = -2.129, P = 0.034; marriage, t = -2.078, P = 0.038; children, t = 2.86, P = 0.005). Within specialty group, POS residents showed higher empathy scores in the fourth as compared to the first year, F = 3.166, P = 0.026. Comparing POS and TOS groups by year, fourth year POS residents had significantly higher scores than did fourth year TOS residents, t = 3.349, P = 0.002. There were negative correlations between empathy scores and 2 MBI subscales, emotional exhaustion (EE) and depersonalization (DP). Additionally, first year POS residents had higher DP scores than did first year TOS residents, t = 2.183, P = 0.031. We suggest that factors important for empathy are type of medical specialty, marriage, siblings, and children. Burnout state may be related to decreasing empathy.
시공단계를 고려환 곡선변단면 프리스트레스트 콘크리트 박스거더교량의 해석
박찬민,강영진,Park, Chan Min,Kang, Young Jin 대한토목학회 1994 대한토목학회논문집 Vol.14 No.1
시공단계를 고려한 곡선변단면 프리스트레스트 콘크리트 박스거더교량의 해석을 수행하였다. 곡선변단면 박스요소를 사용하며 시공순서에 따른 구조계의 변화, 크리이프, 건조수축과 릴렉세이션 등의 효과를 고려하였다. 사용되는 단면형상은 양쪽에 캔틸레버를 갖는 직사각형 1실 박스단변이며 부재축은 평면상의 곡선으로 단면제원은 부재축을 따라 변할 수 있다. 각 요소는 3절점으로 구성되며 각 절점은 단면 찌그러짐과 ?을 포함하는 8자유도를 가진다. 본 연구에서 여러가지 경우의 예를 해석, 비교하였으며 실제교량에의 적용 가능성을 입증하였다. A method is presented for the analysis of curved segmentally erected prestressed concrete box girder bridges including time-dependent effects due to load history, temperature history, creep, shrinkage, aging of concrete and relaxation of prestressing steel. The segments can be either precast or cast-in-place. Thin-walled beam theory and finite element method are combined to develop a curved nonprismatic thin-walled box beam element. The element consists of three nodes and each node has eight displacement degrees of freedom, including transverse distortion and longitudinal warping of the cross section.
목조 누각의 보존 관리 방안 사례 연구 -자계서원 영귀루를 중심으로-
박찬민,이호열 국가유산방재학회 2019 문화재방재학회 논문집 Vol.4 No.2
Before the collapse, Younggwilu had structural deformations such as loosening of the joint and tilting the column forward or counterclockwise. The causes of damage to the Younggwilu are frequent roof repairs and increased loads. In addition, the cross-sectional area of the column appears to have been damaged by digging a hole to install a new transverse member in the partial loss of area located at the middle of the side column. In order to prevent the collapse and serious damage of wooden two-story pavilions such as Younggwilu, it is necessary to understand the structural characteristics of the building. And roof repairs, structural members changes, and wood cross-sections that could lead to structural deformation should be limited. When repairing an architectural heritage, it is necessary to establish a system that can actively review the history of repairs and then reflect them in the repair and review the adequacy of the repair design.