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김형준,전영훈,김광현 대한건축학회 2003 대한건축학회논문집 Vol.19 No.8
This study is to examine the spatial construction found in expositions in the 19^(th) century. The purpose is to understand architecture in the 19^(th) century as the origin of the modern architecture in the 20^(th) century, and to reveal the authenticity of modern spaces through spaces of expositions. Expositions in the 19^(th) century are one of the leading architectural themes in that age, Having a vast influence on entire Europe, they are new modern institutional buildings emerging with new modern technologies and culture. This study analysis expositions through three viewpoints in the modern institutional buildings which were 'time', 'threshold' and 'perception'. As a result, spatial construction in expositions were formed by things, people and space which were related to the three viewpoints. The phenomenon and the process in the spatial construction of exposition are related to the modern architecture, and also relations in the space of exposition are extended to the city and the architecture in the 20^(th) century. Therefore, the modern institutional buildings in the 19^(th) century will be studied as to reveal identity of the modern architecture and its modernity.
혁신제품 선호 형성에 대한 범주화 라벨(category label) 효과에 관한 연구
김형준 한국상품학회 2005 商品學硏究 Vol.23 No.1
Consumers perceive fear, uncertainties and doubts when they make a decision if adopt new products, especially RNP(really new product). When RNP is introduced, consumer may want to understand what it is and how useful it is. Recent research in categorization suggests that consumer access information contained in existing product, compare the RNP’s characteristics with existing product’s(mapping) and know about the RNP(that is analogy learning). During the analogy learning process, marketer can help knowledge transfer with providing a plausible category label. My first founding suggest that category label can make consumers understand about RNP and favorable attitude to RNP. My second founding suggests that category label is more effective when providing category label match with consumer’s primitive categorization.
상업지역 주거복합건축물 용적률 개선방안 연구- 부산광역시를 대상으로
김형준 한국도시설계학회 2022 도시설계 : 한국도시설계학회지 Vol.23 No.3
Currently, residential complex development is leading to the erosion ofcommercial space by market logic. This study examined the legal basis, status, andproblems related to mixed-use residential buildings supplied to commercial areas inBusan, and based on this, the floor area ratio of mixed-use residential buildings inBusan was considered to seek improvement in the legal system. As a result, first,three improvement measures for the floor area ratio of mixed-use residentialbuildings were proposed. Second, the incentive lists for each planning elementshould be deleted to suppress an easy increase in floor area ratio through variousincentives at the project target site. Third, the classification of residential facilitiesshould be classified as residential facilities for practical purposes. Fourth,maintenance projects should be applied to the mixed-use residential building floorarea ratio system without exception. Through the improvement measures proposed inthis study, the original function of commercial areas can be restored even a little inthe future by suppressing the density of residential facilities and expanding theintroduction of commercial facilities. 현재 주거복합 개발은 시장 논리에 의해 상업공간이 잠식되는 결과를 초래하고 있다. 본 연구는 부산시 상업지역에 공급된 주거복합건축물을 분석하기 위해 주거복합건축물과 관련하여 법적근거, 현황 및 문제점 들을 살펴보았고, 이를 바탕으로 부산시 상업지역 내 주거복합건축물 제도인 주택연면적 비율별에 따른 용적률 등을 고찰하여 법 제도상의 개선 방향을 모색하였다. 그결과 첫째, 주거복합건축물 용적률에 대한 3가지 개선방안을 제시하였다. 둘째, 계획 요소별 인센티브 항목은 삭제하여 사업대상지에서 각종 인센티브를 통한 쉬운 용적률 상향을 억제해야 한다. 셋째, 주거용 시설의 분류는 사실상 주거로 이용되고 있는 용도에 대해서는 주거용 시설로분류해야 할 것이다. 넷째, 정비사업들을 예외 없이 주거복합건축물 용적률 제도에 적용될 수 있도록 해야 할 것이다. 본 연구에서 제시한 개선방안들을 통해 주거시설의 고밀화를 억제하고 상업시설 도입 확대로 장래 상업지역의 본래 기능이 조금이나마 회복할 수 있을 것이다.
김형준,김윤현,윤영준,김종희,남송민 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.57 No.41
Low-temperature fabrication of Al2O3-PTFE (poly tetra fluoro ethylene) composite thick films for flexible integrated substrates was attempted by using the aerosol deposition method. For optimization of composite thick films, a novel calculation method for the ceramic contents in the composites was attempted. Generally, a thermogravimetry (TG) analysis is used to calculate the ceramic contents in the ceramic-polymer composites. However, the TG analysis requires a long measurement time in each analysis, so we studied a novel calculation method that used a simple dielectric measurement. We used Hashin-Shtrikman bounds to obtain numerical results for the relationship between the dielectric constant of the composites and the contents of Al2O3. A 3-D electrostatic simulation model similar to the deposited Al2O3-PTFE composite thick films was prepared,and the simulation result was around the lower bound of the Hashin-Shtrikman bounds. As a result, we could calculate the Al2O3 contents in the composites with a low error of below 5 vol.%from convenient dielectric measurements, and the Al2O3 contents ranged from 51 vol.% to 54 vol.%.
Mechanical Properties of New Vitrified Bonds for cBN Grinding Wheel
김형준,류성수,김성원,김형태 한국정밀공학회 2009 International Journal of Precision Engineering and Vol. No.
In this study, three ZnO-B2O3-SiO2 frit compositions with low softening point were investigated in order to lower the firing temperature of cBN-based vitrified bonded wheel. It was tried to develop a new composition of vitrified bond with lower firing temperature and compatible mechanical properties compared with conventional bond by evaluating the mechanical properties of each frit composition. Suggested bonds have softening points of 500℃ to 520℃ and bending strengths of 60 to 90% compared to the conventional bond. The maintenance of bending strength of bond composition even with less network former is attributed to the growth of Gahnite, which has submicron size and relatively large thermal expansion coefficient. On the other side, Willemite (ZnO•SiO2) with large crystalline size and low thermal expansion resulted in the deterioration of bending strength. The Rockwell hardness used as common measure of bonding of grinding wheel showed no statistically significant difference among frit compositions in the results.