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김성은,정수빈,장정인 한국해양비즈니스학회 2024 해양비즈니스 Vol.- No.58
he purpose of this study is to analyze the current status and prospects of domestic marine leisure tourism industry based on business survey index(BSI). Marine leisure tourism industry, which had fallen into a slump due to the Corona crisis, has been revitalized, and the marine leisure tourism industry has also entered a recovery phase domestically and internationally. However, as the uncertainty of the global economy has expanded and high inflation has been continued, the volatility of the marine leisure tourism industry has expanded. Therefore, this study analyzes the trends and future prospects of the marine leisure tourism industry based on the evaluation of the results of the recent BSI. This study is significant as it is the first study to analyze the current status and prospects of the marine leisure tourism industry using the BSI. In addition, based on the results of the BSI analysis, it is meaningful in that it provided policy implications for the revitalization of the marine leisure tourism industry.
金成垠 啓明大學校 産業技術硏究所 1991 産業技術硏究所 論文報告集 Vol.14 No.1
本 硏究는 그림1에 나타내는 合成기둥의 휨에 대한 剛性·耐力에 대해서는 合成보와의 類似性으로 부터 鐵骨기둥에 比해 增大할 수 있다. 또 그 特徵으로서는 첫째, 鐵骨部分은 從來의 方法으로 制作 할 수 있고, 둘째, 現場에서의 配筋, 형틀作業이 不必要하고 셋째, 耐火·被覆을 겸할 수 있다고 하는 點을 들수 있다. 本 論文에서는 角形鋼管을 使用한 경우를 對象으로 하고 合成기둥의 力學的 性能을 鐵骨構造의 경우와 比較하여 分析하고 力學的 基礎資料의 收集을 目的으로 한다.
김성은 啓明大學校 産業技術硏究所 1996 産業技術硏究所 論文報告集 Vol.19 No.1
Although the research for the behavior of steel member that is subjected to combined stress has done fully, the research for behavior of steel member that is subjected to stress under the single axial force is not done fully. The purpose of this study are to find the elastic-plastic torsion analytical method using the generaliged plastic hinge method for the H-shaped section member that is in restricted to the bending moment within the torsion analytical method using the existing experimental results.
기초에 浮力이 생기는 브레이스架構의 塑性崩壞荷重에 관한 硏究
김성은 啓明大學校 産業技術硏究所 1998 産業技術硏究所 論文報告集 Vol.21 No.2
The purpose of this study is to calculate plastic collapse load for footing uplift in the case of the steel braced frame subjected to horizontal force. Applied methods for this study are the joint moment distribution methods and the mechanism method. In this study, two results which are applied are verified to find the best method in this case.
김성은 啓明大學校 産業技術硏究所 1999 産業技術硏究所 論文報告集 Vol.22 No.2
The paper proposes a vibration model in which the lateral inertia force is considered in order to analyze the dynamic post-buckling behavior of truss members. The post-buckling behavior of perfectly symmetrical truss-structures and symmetrical truss-structures with a small imperfection are analysed. The load-deformation relationships obtained by static and dynamic analysed are compared. It is found that the dynamic load-displacement relationships oscillates around the static relationship after buckling. Some examples show that the buckling mode and the post-buckling load-displacement relationship differ remarkably between static and dynamic analysis.
合成보의 强性剛性과 合成보 架構의 强性應力分布에 關한 硏究
金成垠 계명대학교 산업기술연구소 1990 産業技術硏究所 論文報告集 Vol.13 No.2
This paper describes on the elastic stiffness and moment distribution of composite beam frames under horizontal loads by using elastic stiffness matrix of composite beam. In estimating moments distribution of Composite beam frames eiastic stiffness of composite beam is unimformed in Design Recommendation for Composite Constructions. So it is overestimated in negative bending area and underestimated in positive bending area. Then, this paper throw light on moment distribution behavior of composite beam frames under horizontal loads by using elastic stiffness matrix of composite beams. And on using D-Value Method, to consider equivalent rigid ratio as varying cross section members of composite beam show possibility of elastic stress distribution of composite beam frames so high approximate value.