• Journal of Korean Society of Coastal and Ocean Engineers
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• v.34 no.5
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• pp.156-168
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• 2022

The design and construction are carried out to improve the structural stability of caisson breakwaters by installing new caissons on the front or rear of old caissons. The wave forces acting on caisson are excessively calculated by the resonance of fluid existing between the old caisson and the new caisson in the numerical analysis using potential flow. In this study, we used the damping zone option in ANSYS AQWA program to analyze the wave forces acting on individual caissons according to the interaction effects between the incident wave and the caisson. By applying the damping zone option to the fluid in which resonance occurs, the wave forces acting on individual caissons were calculated by the change of damping factor. In addition, the wave force characteristics acting on individual caissons were analyzed for the different distances between caissons in the frequency domain analysis.

• Journal of the Korea Convergence Society
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• v.11 no.9
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• pp.155-162
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• 2020

Based on the analysis of domestic and international cases of green remodeling design for old buildings using solar cells, which have been in the spotlight around the world since the Paris Agreement on Climate Change, this study wanted to confirm the positive aspects and implications of the future green remodeling design proposal using solar cells. As a method of research, theoretical consideration was conducted based on literature research, and cases of green remodeling design using solar cells at home and abroad were investigated and analyzed. As a result, the ease of construction through flexible features, aesthetic effect through transparency and color adjustment of thin film cells, economic effect of less waste of materials through free size production, and harmonious aspect with the building through direct attachment of exterior were identified. Based on this, it is expected to present the expected effects of using thin-film solar cells for green remodeling designs, and to be used as a reference for the future design proposal for green remodeling of old buildings using solar cells.

• Korean Architects
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• s.552
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• pp.24-25
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• 2015

• Journal of the Korean Institute of Educational Facilities
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• v.19 no.4
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• pp.47-50
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• 2012

• Korean Architects
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• s.492
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• pp.14-14
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• 2010

• Korean Architects
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• s.624
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• pp.17-19
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• 2021

• Korean Architects
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• s.652
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• pp.40-42
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• 2023

• Korean Architects
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• s.652
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• pp.36-39
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• 2023

• Journal of Korean Society of Industrial and Systems Engineering
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• v.35 no.4
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• pp.219-226
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• 2012

Recently real-estate investment business is standing out as a new plan for creation of source of income. In this paper, we suggested appropriate real-estate investment strategy through the reconstruct case study of existing one-storied building. That is, we showed the efficient process of decision and propel to reconstruct and the key points for lease business and post management after building completion. Also, we analyzed the rate of return of commercial building investment in order to find its optimum dealing time. Therefore the results of this paper are expected to be a help to old ages and persons laying plans for a similar business.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2023.05a
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• pp.211-212
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• 2023

Building Information Modeling (BIM) design has been mandatory in Korea since 2016, and it has been gradually expanding in the industry, with a slow attempt to apply it in remodeling constructions. This is because Korea is facing a situation where many buildings are over 30 years old and require remodeling or reconstruction. The remodeling industry is also a growing market, as it saves construction time and cost compared to reconstruction. BIM is an ideal technology element for a competitive remodeling construction, as remodeling constructions face a complicated construction process from the start, including demolition, maintenance, and reinforcement to save the change process. However, there are still limitations in applying BIM to remodeling constructions, due to considerations of the existing building and the complicated requests of the inhabitants. BIM still has technical and environmental limitations for general use. In this study, I analyzed BIM application cases from existing studies and suggest what improvement points should be strengthened.