설계 프로세스를 반영한 BIM 작성 기준(LOD)에 대한 연구

조현정,김연수,마영균,Cho, Hyun-Jung,Kim, Yeon-Soo,Ma, Young-Kyun 한국BIM학회 2013 KIBIM Magazine Vol.3 No.1

BIM(Building Information Modeling) ordering manuals and guidelines are diffused with the recent BIM activation. However, it is causing drawbacks such as an increase of work at each design stage and a decline of BIM application level that the standard of making up and managing BIM is vague and it includes comprehensive meaning. Therefore, this study aims to secure BIM work standard by establishing BIM making-out standard based on LOD(Level of Detail) classification considering domestic design process. It compared each definition of LOD by analyzing domestic and foreign BIM guideline examples, and figured out insufficiency of existing domestic and foreign design process and BIM guidelines. Moreover, it drew architects' work articles for promoting the progression of the efficient design process, and analyzed BIM requirements on design process, dividing BIM application scale by field. Through this analyzing process, it finally established BIM making-out standard classified by design process. The effects of establishing BIM making-out standard would include improving a division of labor and cooperation environment by creating integrated BIM model on design stages, advancing work efficiency by preventing a repetition and an increase of work, and upgrading project completeness and design quality. Besides, it can secure BIM work standard by clarifying responsibility for working steps. BIM making-out standard established by this study will contribute to developing the future BIM work standard document and BIM guideline as a data base.

합성수지를 사용한 목조건조물문화재 보존처리 사례 연구 - 한국과 일본의 보존처리 사례를 중심으로 -

조현정,김왕직,Cho, Hyun-Jung,Kim, Wang-Jik 한국건축역사학회 2006 건축역사연구 Vol.15 No.1

Preservation of wooden architecture by means of synthetic resin, is physical and chemical work. Synthetic resins are using for consolidation and restoration of decayed members. Since 1978, synthetic resin became useful preservation of architectural heritage in Korea. The first object was Chimgyeru of Songgwang-temple in Suncheon city. In the 1980s, have begun the care of materials for conservation on the architectural heritage, it was influenced according to authenticity of UNESCO Venice charter's principle, in 1964. In Korea, preservation of wooden architecture by means of synthetic resin that is sing many kinds of epoxies. Among the specific types of epoxies are araldite XN1023, SV427, etc. The use of synthetic resin have merits and demerits in the restoration for architectural heritage. The merit is that it is more smaller change with new members during preservation work. But the demerit is an irreversibility of the epoxy resin. In 1999, 'ICOMOS International Wood Committee' recommend contemporary materials and techniques, should be chosen and used with the greatest caution. And preservation work should reversible, as possible as technically. Therefore, should be data continous for preservation of wooden architecture by synthetic resin. Because data is very important work about a preservation of wooden architecture by synthetic resin. And should be try to think about new materials and techniques instead of synthetic resin, in the long view.

불교건축문화재를 통한 보존공사경향 연구

조현정,김왕직,Cho, Hyun-Jung,Kim, Wang-Jik 한국건축역사학회 2007 건축역사연구 Vol.16 No.3

This study is conservation works trend since 1900. Objects for study are National Treasures and Treasures in Buddhism, in wooden architecture. And researched about the factor of conservation works, roof and tile, painting and dissolution conservation works cycle by dissolution, timber change ratio. The factor of conservation works is the most, roof and tile. Conservation works cycle by dissolution is 12.8 years. Painting cycle is 16.3 years. There are two concepts of conservation works, that is restoration and preservation. There are many restoration before 1960's. To 1960's the preservation to be many to 1970's many Restoration. And since the end of 1970's is Preservation. These reasons are conservation works history of object, the rule for Heritage protection, people on works, and study of architecture. history.

인간 배아 줄기세포 유래 신경세포로의 분화: BDNF와 PDGF-bb가 기능성 신경세포 생성에 미치는 영향

조현정,김은영,이영재,최경희,안소연,박세필,임진호,Cho, Hyun-Jung,Kim, Eun-Young,Lee, Young-Jae,Choi, Kyoung-Hee,Ahn, So-Yeon,Park, Se-Pill,Lim, Jin-Ho 대한생식의학회 2002 Clinical and Experimental Reproductive Medicine Vol.29 No.2

Objective: This study was to investigate the generation of the functional neuron derived from human embryonic stem (hES, MB03) cells on in vitro neural cell differentiation system. Methods: For neural progenitor cell formation derived from hES cells, we produced embryoid bodies (EB: for 5 days, without mitogen) from hES cells and then neurospheres (for $7{\sim}10$ days, 20 ng/ml of bFGF added N2 medium) from EB. And then finally for the differentiation into mature neuron, neural progenitor cells were cultured in i) N2 medium only (without bFGF), ii) N2 supplemented with 20 ng/ml platelet derived growth factor-bb (PDGF-bb) or iii) N2 supplemented with 5 ng/ml brain derived neurotrophic factor (BDNF) for 2 weeks. Identification of neural cell differentiation was carried out by immunocytochemistry using $\beta_{III}$-tubulin (1:250), MAP-2 (1:100) and GFAP (1:500). Also, generation of functional neuron was identified using anti-glutamate (Sigma, 1:1000), anti-GABA (Sigma, 1:1000), anti-serotonin (Sigma, 1:1000) and anti-tyrosine hydroxylase (Sigma, 1:1000). Results: In vitro neural cell differentiation, neurotrophic factors (PDGF and BDNF) treated cell groups were high expressed MAP-2 and GFAP than non-treated cell group. The highest expression pattern of MAP-2 and $\beta_{III}$-tubulin was indicated in BDNF treated group. Also, in the presence of PDGF-bb or BDNF, most of the neural cells derived from hES cells were differentiated into glutamate and GABA neuron in vitro. Furthermore, we confirmed that there were a few serotonin and tyrosine hydroxylase positive neuron in the same culture environment. Conclusion: This results suggested that the generation of functional neuron derived from hES cells was increased by addition of neurotrophic factors such as PDGF-bb or BDNF in b-FGF induced neural cell differentiation system and especially glutamate and GABA neurons were mainly produced in the system.

통합적 하구관리 지원을 위한 우리나라 하구역 연구사업 현황과 정책방향 제언

조현정,류종성,이강현,이범연,강대석,김종성,남정호,이창희,Cho, Hyun-Jeong,Ryu, Jong-Seong,Lee, Kang-Hyun,Lee, Bum-Yeon,Kang, Dae-Seok,Khim, Jong-Seong,Nam, Jung-Ho,Lee, Chang-Hee 한국해양학회 2011 바다 Vol.16 No.4

2000년대 이후 우리나라의 하구환경 관리는 수십 년간 지속된 개발 일변도의 하구이용에서 벗어나 통합적 관점에서 하구환경을 보전하려는 정책적 변화가 시작되었으나, 그 동안 축적된 연구와 경험의 부족으로 이를 시행할 수 있는 지원 제도가 구축되지 못하였다. 그러나 최근 이러한 한계를 극복하고 통합적 하구환경관리를 지원하기 위한 연구사업이 진행되고 있다. 이 연구는 우리나라 하구관리 정책지원을 위한 연구사업 현황을 크게 하구정책의 수요 충족, 인식 증진 및 지식기반 확충이라는 3가지 측면에서 해외 사례와의 갭 분석을 통해 검토하고, 전문가 대상 설문조사에 기초한 계층화 분석을 기반으로 통합적 하구관리 지원을 위한 정책적 방향을 모색하였다. 분석결과, 우리나라의 하구역 연구사업은 하구환경 관리를 위한 통합적 관점의 정책방향 설정이 필요한 것으로 나타났다. 또한 지역 단위의 인식증진 활동, 교육 프로그램 개발 등을 지원하는 직접적인 내용이 향후 연구사업에 반영되어야 할 것이며, 하구생태계의 구조와 기능에 대한 연구가 더욱 필요하다. 통합적 하구관리정책을 효과적으로 지원하기 위해서는 현행 환경관리체제에 내재된 근본적인 문제와 우리나라 하구역 연구사업이 가지는 한계를 극복할 수 있는 현실적인 방안의 개발이 요구된다. Estuaries have been used competitively and exploited for the past decades in Korea. To preserve the environment of the estuaries from the integrated perspective, new policies have started to change such exploitative development in 2000s. Due to the poor knowledge-base, however, there has been a lack of support system which enables to execute such policies effectively. The present study was conducted to figure out the limits of the estuarine management research projects in Korea, which is being performed to overcome these limitations. It was studied through Gap Analysis between domestic and foreign advanced practices as well as Analytical Hierarchy Process on expert survey in terms of the three aspects: how well the estuarine management research projects in Korea meets the demands of policy making and administration; raises the awareness of citizens about the merit of environmental preservation; and establishes knowledge-based support system. This project turned out to reflect adequately the development of programs for building estuarine management systems. But consideration of other ministries was relatively scarce. But the contents which directly support community-based activities and educational programs to improve citizens' awareness were judged to be insufficient. According to the results of Gap Analysis, research about the structure and function of estuarine ecosystems, which can support to develop policy alternatives in detail, was relatively more necessary. Therefore, to support estuarine policy management effectively, the development of a realistic plan, which can overcome fundamental issues inherent in the Korean environmental management system and the limitation of the estuarine management research projects in Korea itself, is needed.

방연(方椽)이 표현된 승탑의 용례와 특징에 관한 연구

조현정,김왕직,Cho, Hyun-Jung,Kim, Wang-Jik 한국건축역사학회 2017 건축역사연구 Vol.26 No.2

Rafter is a member for roof and plays a role in protecting shaft members under rafter such as pillar, beam and girder from natural environment and to fix by supporting finished materials of roof. It is common in the Korean architecture that rafter cross-section is paired with circular form and Buyeon cross-section is paired with the square shape. However, while there are not many, some architectures have rafter end header in the square shape. The aim of this study is to examine the square shape cases of rafter end header with special reference to stone structure. As a result, among stone structure related to Bangyeon, the majority case is seen at Palgakwondang type Seungtap. It was shown in the Seungtap of monk of Gusanseonmun school in the later Unified Silla to the early Goryeo period that succeeded Seodang Jijang.

만성 신부전이 동반된 Asphyxiating Thoracic Dystrophy 1례

조현정,이윤경,김동언,이익준,Cho Hyun-Jung,Lee Yoon-Kyung,Kim Dong-Un,Lee Ik-Jun 대한소아신장학회 1998 Childhood kidney diseases Vol.2 No.2

The classical manifestation of asphyxiating thoracic dystrophy comprise narrow chest, short limbs, and pelvic changes. The degree of respiratory distress varied from negligible to lethal. The development of progressive renal failure may indicate that the condition is asphyxiating thoracic dystrophy. We have experienced a case of asphyxiating thoracic dystrophy who died from chronic renal failure in a 5-month old infant. Abriefreviewofassociatedliteratureisalsopresented.

Stereotype Analysis of D-and L-Glutamic Acid in Poly-γ-Glutamic Acid by HPLC and Enzymatic Assay

Hyun-Jung Cho(조현정),Dong-Chan Yoo(유동찬),Kwang-Hwan Jhee(지광환),Jae-Chul Choi(최재철),Chung Park(박청),Seung-Pyo Hong(홍승표),Moon-Hee Sung(성문희) 한국생물공학회 2005 한국생물공학회 학술대회 Vol.2005 No.10

중층목조건축의 가구유형별 취약부위 분석 연구

조현정(Cho, Hyun-Jung),김상협(Kim, Sang-Hyup),노현균(Noh, Hyeon-Kyun),김호수(Kim, Ho-Soo),정성진(Jung, Sung-Jin),김왕직(Kim, Wang-Jik),김덕문(Kim, Derk-Moon) 대한건축학회 2014 대한건축학회논문집 Vol.30 No.3

Multi-roofed historic wooden building "connection" and "special proportion" of the load according to the delivery system may be different. Layer and the layer again, and that there is a special proportional single layer than building Multi-roofed historic wooden building will be the reason for severe deformation. In this paper, we present a Multi-roofed historic wooden building in Korea in connection with the special classified on the basis of proportional type, susceptible parts to organized the structure, and the techniques used to reinforcement the study aims to. As a result, depending on the type of connection that specific proportion and was able to find similarities and differences.

차세대 네트워크 보안기술 기반의 침입방지시스템(IPS)

조현정(Hyun-jung Cho) 한국정보과학회 2005 정보과학회지 Vol.23 No.1