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눈에는 눈 이에는 이? 비인격적 감독에 있어 상사에 대한 부하의 연민과 용서
이환우 ( Lee Hwan Woo ) 한국인적자원관리학회 2021 인적자원관리연구 Vol.28 No.1
Based on the atturibution theory, the purpose of this study is to show that subordinates who attribute abusive supervision to supervisors will strengthen their anger toward supervisor and supervisor-directed aggression, but those who attribute it to themselves will be positive in their sympathy and forgiveness for supervisor. It is meaningful to understand the emotions and behaviors of subordinates who respond to the stimulus of abusive supervision in relation to the understanding of the cause of events (abusive supervision), which is the core of attribution theory. Thus, we tested a moderated mediation model predicting various feelings and reactions given the attribution targets of abused subordinates. Using the survey responses of 329 participants, this study found that perception of abusive supervision was positively related to forgiveness for supervisor through its association with sympathy for supervisor. We also found that self-directed attribution moderated the indirect effects for forgiveness for supervisor through the sympathy for supervisor. Our results demonstrate the relationship between various emotions and behaviors of subordinates resulting from abusive supervision, and provide theoretical implications, especially in testing the novel idea of subordinates’ sympathy and forgiveness for supervisors. Based on our results and implications, this study contributes to the field of abusive supervision research by showing the reason and mechanism for why some recipients of abuse are silent but others not.
이환우 ( Lee Hwan-woo ),김광양 ( Kim Kwang-yang ),김관수 ( Kim Gwan-soo ),고동원 ( Ko Dong-won ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.1
This study has been started for the development of a refined live load distribution formula that has safety and precision toward I type prestressed concrete girder bridge. This type of bridge is mainly applied to short span bridges that are 25 ~ 40m in length. Based on various structure analysis models that are currently being applied as preceding studies for the development of live load distribution method, an analysis of flexural stiffness ratio for barrier and diaphragm has been performed. As the result of parametric analysis for the changes in flexural stiffness ratio, the effect of barrier on load distribution showed as insignificant in all structural analysis models while analyzing the deflection distribution. Also, the deflection distribution of the models with stiffness of 25% in which the diaphragm eccentricity is accounted for as same as the models with stiffness of 100% in which the diaphragm eccentricity is unaccounted for. This results are verified through the comparison with a experimental data.
콘크리트 사장교 장기거동에 대한 장래 위험성 예측 모델의 비교
이환우(Hwan Woo Lee),강대희(Dae Hui Kang) 한국방재안전학회 2008 한국방재안전학회 논문집 Vol.1 No.3
프리스트레스트 콘크리트 사장교는 재료의 특성상 크리프 및 건조수축 등에 의한 장기거동의 영향을 크게 받는다. 이 연구에서는 콘크리트 구조물의 장기거동 예측에 일반적으로 이용되는 CEB-FIP모델과 ACI 모델을 예제 교량에 적용하여 상대습도의 변화에 따른 영향을 알아보았다. 주형 모멘트의 경우 CEB-FIP 모델이 ACI 모델보다 상대습도 변화에 대해 더 큰 영향을 받으며 영향도도 경우에 따라서는 무시할 수 없을 것으로 나타났다. 또한 동일 조건에서도 두 모델간 장기거동이 일부 단면에서는 비교적 크게 차이가 났다. 따라서, 장기거동에 대한 수치해석 결과는 재료시험과 예측모텔간의 영향인자들에 대 한 민감도 분석을 거친 후에 보완하여 적용할 필요가 있다고 본다. The long-term behaviors of prestressed concrete cable-stayed bridges are considerably influenced by the time dependant material characteristics such as creep and shrinkage. This study investigated the influences of the change of relative humidity by application of the CEB-FIP model and ACT model, which are generally used in the prediction of long-term behavior of concrete structures. In case of the moment of girder, CEB-FIP model predicted a bigger effect of relative humidity change than the ACI model. Furthermore, the effect was significant. Also, the long-term behaviors between these models were different each other even under the same material condition. Therefore, the prediction of the long-term behavior should be compensated after comparative analysis with the results of material tests of each construction site and between the different models.
포장체의 강성이 강상판의 거동에 미치는 영향에 관한 기초연구
이환우 ( Lee Hwan-woo ),정두회 ( Jung Du-hwoe ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 논문집 Vol.7 No.1
The pavement stiffness is scarcely used in structural analysis to design the superstructure of bridge. It is reasonable not to consider it in the case of asphalt concrete pavement over concrete deck because the pavement stiffness compared with the concrete deck plate can be ignored. However, sometimes, the pavement materials have a similar amount of elastic modulus to concrete and are applied to the orthotropic steel deck plate which has relatively less stiffness compared with the concrete deck plate. In this paper, the steel plate deck of a real bridge project was analyzed by considering the pavement stiffness by linear elastic FEM. It was assumed that a perfect bond between the steel plate deck and the pavement exited. The results indicated that the structural behavior of the orthotropic steel deck plate can be estimated enough to affect the evaluation result of structural capacity in some cases. Therefore, the investigations by experimental tests and more advanced numerical model are indispensible in figuring the design formula for considering the effects of pavement stiffness in the structural analysis of an orthotropic bridge.
이환우(Lee Hwan-Woo),김광양(Kim Kwang-Yang),김관수(Kim Gwan-Soo),고동원(Ko Dong-Won) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.1
This study has been started for the development of a refined live load distribution formula that has safety and precision toward I type prestressed concrete girder bridge. This type of bridge is mainly applied to short span bridges that are 25~40m in length. Based on various structure analysis models that are currently being applied as preceding studies for the development of live load distribution method, an analysis of flexural stiffness ratio for barrier and diaphragm has been performed. As the result of parametric analysis for the changes in flexural stiffness ratio, the effect of barrier on load distribution showed as insignificant in all structural analysis models while analyzing the deflection distribution. Also, the deflection distribution of the models with stiffness of 25% in which the diaphragm eccentricity is accounted for as same as the models with stiffness of 100% in which the diaphragm eccentricity is unaccounted for. This results are verified through the comparison with a experimental data.