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시설물 유지관리를 위한 BIM 데이터 입력기준 개발방안
원지선(Ji-Sun Won),조근하(Geun-Ha Cho),주기범(Ki-Beom Ju) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.4
Facility data is created throughout the design and construction phase. But the most facility managers bear significant costs that arise from the lack of interoperability with facility lifecycle. This paper is concerned with the way to collect facility data using BIM technology. The aim of this paper is to suggest BIM data modeling guide for the facility management using the information that need to be delivered from design and construction phase to operation and management phase. The BIM data modeling guide focus on the properties of mechanical equipment. It is to be hoped that this study will contribute to collect facility data from as-built BIM data and to build facility management system database without difficulty.
BIM 기반 정보교환을 위한 정보요구 정의서 개발방안에 관한 연구
원지선(Won, Ji-sun),김성식(Kim, Seong-Sig),윤회수(Yoon, Hoi-su) (사)한국CDE학회 2010 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2010 No.1
IDM technology has been developed to support the integrated methodology from understanding the business processed to be supported by open building information modeling, to ready and interoperable software solutions that enable open access to building information models. The purpose of this study is to prepare methods of IDM development is suitable to domestic environment. To achieve the purpose, we investigated ISO standard, the buildingSMART technical documents and IDM development projects and analyzed IDM methodology. As a result of this study, we proposed the methodology to introduce IDM and the development direction in domestic construction industry. These proposed methods will be reflected in the IDM development for Super-tall Building.
IFC와 디지털 수량산출정보 교환표준의 연계 가능성 평가
원지선(Sun, Ji-Won),문진석(Moon, Jin-Seok),최원식(Choi, Won-Sik) 한국산학기술학회 2013 한국산학기술학회논문지 Vol.14 No.12
최근 BIM이 건설생산성을 향상시키는 기술로 주목 받으면서, BIM 발주가 화두가 되고 있다. BIM 사업에 적용될 표준은 현행 2D 기반의 표준을 최대한 활용하거나 연계를 지원하는 방향으로 제시되는 것이 필요하다. 따라 서 본 논문에서는 BIM 기반 수량산출서와 내역서 표준을 개발함에 있어 현재 도로사업 공사비 관리를 위해 적용 중 인 디지털 수량산출정보 교환표준(QDBEx)을 활용하고 BIM 데이터 납품 포맷인 IFC 표준과 연계하는 관점에서 연구 를 수행하였다. BIM 기반 수량산출서와 내역서가 IFC 파일로 납품될 경우, IFC 파일이 QDBEx에 따른 XML 수량산 출정보로 변환되어 활용될 수 있는지를 평가하였다. 그 결과, 전체의 66%가 바로 연계가 가능하며, 17%가 인스턴스 의 가공을 통해 연계가 가능하였다. 나머지 17%는 연계가 불가능한 것으로 평가되었다. 향후, 이 결과를 바탕으로 연 계 가능성을 높이기 위한 IFC와 QDBEx의 스키마 개선방안을 제시할 계획이다. Recently, BIM has attracted attention as a technology to improve the construction productivity. The BIM standards to be applied to the BIM project are necessary for using or connecting the current 2D-based drawing standards. To develop the standard for BIM-based QTO and cost, this paper focused on using QDBEx, which was applied to road project cost management and connecting QDBEx with IFC, which is the BIM data delivery format. The IFC schema was evaluated to determine if it is possible to use the converts to the QDBEx XML file. As a result, 66% of the whole was available to connect directly, and 17% was available to connect through the processing of instance. The remaining 17% was evaluated to determine if it was available to connect. In the future, improvements in the schema will be suggested based on these results.
초음파 치료와 정적 스트레칭이 뒤넙다리근의 유연성과 정적균형에 미치는 영향
조승봉,박미영,원지선,김예린,홍준택,김성호,Cho, Seung-bong,Park, Mi-young,Won, Ji-sun,Kim, Ye-lin,Hong, Joon-taek,Kim, Seong-ho 대한물리치료과학회 2019 대한물리치료과학회지 Vol.26 No.1
Background: The purpose of present study was to examine the effect of ultrasound therapy and static stretching on hamstring length and balance. Design: Randomized Controlled Trial. Methods: A total of 30 adults in S college, Seongnam city, Gyeonggi-do, between the ages of 20-30 were randomly assigned to two groups. Group 1 (n=15) had ultrasound therapy, called US group. Group 2 (n=15) had static stretching, called SS group. Measurements were taken prior to starting the program and after completing the experiment using Finger to floor test and Active knee extension test to get the results of hamstring flexibility and the ability of static balance. Paired t-test was used to compare each group pre-test values to post-test values and to compare US post-test values to SS post-test values on PASW 18.0. Results: 1) Both hamstring SS group and US group had significant increase (p<.05) in Finger to floor test and Active knee extension test. 2) Dominant leg standing had significant change (p<.05) only in US group. 3) There was no significant difference between US group and SS group. Conclusion: Results showed that US group and SS group had an effect on changes in hamstring length (p<.05). However, they did not show a significant increase in static balance. Further effective studies on hamstring SS group and US group were needed based on this examination.
BIM 저작도구를 활용한 도로공사 수량산출 자동화 활용성 분석
문진석(Moon, Jin-Seok),원지선(Sun, Ji-Won),최원식(Choi, Won-Sik) 한국산학기술학회 2013 한국산학기술학회논문지 Vol.14 No.10
최근 BIM저작도구를 활용한 자동수량산출에 대한 관심이 많아지고 있으며, 단순한 부피, 개수, 면적 등의 단위계산 뿐만 아니라, BIM 기술을 이용한 물량산출의 정확성과 효율성에 대한 연구가 수행되고 있다. BIM 저작도 구를 통한 자동수량산출은 매우 유용한 기능이나, 내역서 항목별 수량산출을 위해서는 모델링의 상세 수준을 높이는 등 많은 시간과 비용이 투입되어야 한다. 이에 본 연구에서는 2D 기반으로 설계된 도로건설공사 도면을 바탕으로 BIM 저작도구 이용하여 토공 및 도로공과 구조물을 3D 모델링 하고 BIM 저작도구에서 제공하는 자동물량산출기능 을 통해 활용성을 살펴본다. 그 결과 토공 및 도로공이나 구조물공에 대하여 산출되는 자동수량산출의 항목들은 매우 제한적이나, 철근 모델은 수량산출서 항목의 대부분을 지원함을 알 수 있다. The automated quantity take off technique using BIM authoring tools has been recently issued, and the studies of this method for the accuracy, efficiency, and the unit computing for the simple volume, area and number have been developed. Meanwhile the main concerns such as the details for the level of modelling, and the costs and time for the calculating BOQ item are still required to study. In this paper, the earth works, drainage works, pavement works, and facility works using BIM authoring tools are designed in 3D, and the applicability of automated quantity take off technique using BIM authoring tools is discussed, respectively. As a result, automated quantity take off are limited in the earth works, drainage works, pavement works, and facility works. But Most items of BOQ can be supported in Re-bar model.