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한경진(Han Kyeong-Jin),이현수(Lee Hyun-Soo),박문서(Park Moon-Seo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
Recently, since construction projects become larger, more varied and higher, the importance of cost management has been increased. Especially, in residential construction, the management which is concerned with construction cost is recognized as a key factor of projects and companies' success. However, even though the importance of cost management is increased, its definition is restricted from traditional one. Therefore, this research suggests the concept which could evaluate the techniques and states of cost management which is used by companies or organizations with definition of cost management as 'Core', 'Optimization', 'Standardization', 'Sustainability', 'Superiority', and 'Technique'. According to the literature review, there are relatively less studies on Core, Optimization. Standardization, Sustainability and Superiority even there are many studies on the technical factor. Because of this, this research suggests the develop direction to the appropriated system which is based on the definition of new cost management by analyzing existing system such as cost planning, cost modeling, cost estimating, and cost database to achieve strategic cost management. In this research, we expect that this study will contribute to improve state of cost management as a key factor not only of business but also of project by extending the traditional concept of cost management to the concept of strategic factor.
박도영,이유상,한경진,Park, Do-Young,Lee, Yu-Sang,Han, Kyeong-Jin 대한미세수술학회 2011 Archives of reconstructive microsurgery Vol.20 No.1
Intraneural ganglia in the upper extremity are rare, and the involvement of the digital nerve of hand has not been reported. The following case report demonstrates a 57-year-old woman with a symptomatic nodular mass on the thenar area of the left hand. Magnetic resonance images showed a lobulated, homogeneous mass of high signal intensity on T2-weighted images and low signal intensity with peripheral enhancement on T1-weighted images. Excisional biopsy and histopathologic examination revealed an intraneural ganglion of the digital nerve of the thumb. Her symptom disappeared immediately after the surgery, and has remained free of abnormal sensation and parestheia for the 3-year follow-up period.
박문서(Park Moon-Seo),한경진(Han Kyeong-Jin),이현수(Lee Hyun-Soo),임대희(Lim Dae-Hee) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.10
Cost estimation is one of the most important tasks for succeeding projects. Recently, as the construction environment is changing more rapidly, it is getting more difficult to estimate the project's cost accurately. Therefore, for an effective decision making, it is necessary to develop a sustainable cost estimating model which is able to deal with various changes. In this research, in order to develop the model, four conditions, reliability, efficiency, expansion and flexibility, are extracted. Then, Case-Based Reasoning is applied, and this research proposes cost database, influence factor and an estimating method which are three key elements for each task. As an example, reinforced concrete work of residential projects is used. Lastly, analysis of reliability is carried out for the estimating model. Through this research, it is expect that many studies on a sustainable estimating model is encouraged continuously in the future.
한경진,어수익,김태영,강신영 대한골절학회 2002 대한골절학회지 Vol.15 No.4
목 적 : 상완골 간부 분쇄 골절의 치료에서 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술의 치료 결과를 금속판 내고정술과 비교하고자 한다. 대상 및 방법 : 1997년 3월부터 2001년 12월까지 상완골 간부 골절로 금속판 내고정술을 시행한 14례와 상완골 간부 분쇄골절에 대해 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술을 이용하여 수술을 시행한 18례이고, 최고 9개월 이상 추시하였으며 임상적 및 방사선학적 결과를 분석하였다. American Shoulder and Elbow Surgeon's (ASES) shoulder score를 기준으로 기능적 평가를 하였고, visual analous scales에 따라 통증의 정도 (zero : no pain ~ 10 : extreme pain) 를 평가하였다. 결 과 : 골절 유합은, 금속판 내고정술의 경우 14례중 12례(85.7%)에서 골유합을 얻었고 골유합 시기는 평균 13.2주 이었다. 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술을 이용하여 수술을 시행한 18례중 17례(94.4%)에서 골유합을 얻었고 평균 골유합 시기는 평균 12.4주 이었다. ASES shoulder score에 따른 기능적 점수는 금속판 내고정술의 경우 평균 44점, 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술을 시행한 경우 평균 47점 이었다. 통증의 정도는 금속판 내고정술의 경우 평균 1.8, 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술을 시행한 경우 평균 1.4 이었다. 결 론 : 상완골 간부 분쇄골절에 대한 최소 절개를 통한 관혈적 정복 및 교합성 골수강내 금속정 고정술은 견고하고 정확한 골절의 정복이 가능하고 술후 방사선학적 및 기능적 결과가 다른 수술방법에 비해 결과가 좋은 것으로 사료되었다. Purpose : We compared the functional and radiological results after the minimal open reduction and interlocking IM nailing and LC-DCP plate internal fixation for the comminuted humeral shaft fractures. Materials and Methods : Fourteen plates(LC-DCP) and eighteen interlocking IM nail (AO unreamed IM nail) were applied after open reduction for 21 comminuted fractures of the humeral shaft between March 1997 and December 2001. They were followed up for a minimum 9 months after surgery and the radiological and functional results were evaluated. Results : The average fracture healing time was 13.2 weeks and union rate was 85.7% for plate internal fixation. The average fracture healing time was 12.4 weeks and union rate was 94,4% for interlocking IM nail. The average functional scores according to American Shoulder and Elbow Surgeon's (ASES) shoulder score(Total 52 points_ was 44 points for plate internal fixation and 47 point for interlocking IM nailing respectively. Conclusion : Minimal open reduction and interlocking IM nailing is better method with good functional and radiological results than plate internal fixation for the comminuted humeral shaft fractures.