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건설자재 정보관리를 위한 RFID 주파수 대역 및 Tag에 관한 실험적 연구
한충한 ( Choonghan-han ),주기범 ( Kibum-ju ),양성훈 ( Sunghoon-yang ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.2
최근 건설 산업이 고도화, 지능화됨에 따라 건설자재정보의 효율적인 관리방안으로 RFID 기술을 이용하려는 연구 및 적용 사례가 증가 하고 있다. RFID(Radio Frequency Identification)란 라디오 주파수를 이용한 무선인식 기법을 뜻하는 것으로 건설자재에 RFID Transponder(이하 태그)를 부착하여 생산, 유통, 설비 등 전 과정의 정보 추적 및 관리가 가능하다. 그러나 RFID 시스템 특성상 전자기장이 형성되는 철골자재나 수분이 포함된 콘크리트, 도료(안료) 등의 자재에서는 RFID 적용이 쉽지 않다. 또한, 현재 사용 중인 RFID 장비마저도 표준화 되어 있지 않고 사용 주파수 대역 또한 각각 다르기 때문에 건설자재에 적용하기위한 RFID 시스템의 표준화 및 규격화가 절실하다. 본 논문에서는 건설자재에 RFID를 적용하기 위한 표준화 방향을 제시하는 기초 연구로써 목재, 철재 빔, 도료(안료), 콘크리트, 배관자재(철/동/PE)에 Passive Type의 일반(Pager) 태그, 금속 태그, 액체형 태그를 부착·매립하여 125KHz, 13.56MHz, 900MHz의 주파수 대역과 자재 물성별 인식거리 및 인식률 시험을 진행하여 건설자재에 RFID를 적용하기위한 표준 주파수 대역 및 재질에 따른 적정 태그를 제시하고자 한다.
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문현석(HyounSeok Moon),주기범(KiBum Ju) (사)한국CDE학회 2014 한국CDE학회 논문집 Vol.19 No.1
In architecture projects, BIM library has widely been using for prefabrication of products and design process. However, since the shape of structures is different by each project in civil engineering projects and a shape representation system is complicated, it is not easy to develop a standardized BIM library. To solve these issues, this study develops BIM library based on standardized 2D shop drawings for civil structures. The standardized shop drawings, which are the targets of the BIM library model, should be first selected. Besides, in order to define modeling scope with the level of general and shop drawings for each structure, LOD(Level of Detail) and breakdown structure are determined, and development methods of families of 3D object type including 2D profile and rebar through commercial software are established. With these, properties of BIM library are configured, and a utilization model of the BIM libraries is constructed for 3D modeling and a simulation using the BIM library. Therefore, this study can identify properties that are necessary when IFC schema is configured for civil engineering projects. For future, it is expected that easiness of BIM design for the civil engineering projects and generation, management, and analysis system of BIM library for road projects will be secured.
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문현석(HyounSeok Moon),주기범(KiBum Ju) (사)한국CDE학회 2013 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2013 No.8
In architecture projects, BIM library has widely been using for prefabrication of products and design process. However, since the shape of structures is different by each project in civil engineering projects and a shape representation system is complicated, it is not easy to develop a standardized BIM library. To solve these issues, this study develops BIM library based on standardized 2D shop drawings for civil structures. The standardized shop drawings, which are the targets of the BIM library model, should be first selected. Besides, in order to define modeling scope with the level of general and shop drawings for each structure, LOD(Level of Detail) and breakdown structure are determined, and development methods of families of 3D object type including 2D profile and rebar through commercial software are established. With these, properties of BIM library are configured, and a utilization model of the BIM libraries is constructed for 3D modeling and a simulation using the BIM library. Therefore, this study can identify properties that are necessary when IFC schema is configured for civil engineering projects. For future, it is expected that easiness of BIM design for the civil engineering projects and generation, management, and analysis system of BIM library for road projects will be secured.
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병 대상 표준화된 기본심폐소생술(PWW방식) 교육이 심폐소생술 수행능력에 미치는 효과
김진선 ( Jinsun Kim ),김인영 ( Inyeong Kim ),김자연 ( Jayeon Kim ),임재황 ( Jaehwang Leem ),주기범 ( Kibum Ju ),주상호 ( Sangho Chu ),박종호 ( Jongho Park ) 국군의무사령부 2017 대한군진의학학술지 Vol.48 No.1
Objectives: This study examines the effects of practice while watching based CPR training on CPR performance for soldiers. The study intended to seek a CPR education method suitable for military. Methods: The participants were 375 soldiers in J city and D city. Data were collected from June, 2016 through December 2016. This study was a nonequivalent control group no-synchronized design. The data were analyzed with t-test and repeated measure ANOVA using the SPSS/PC 20.0 win. Result: There is a statistically significant difference in performance and accuracy between practice while watching based CPR training and power point based CPR training(p〈0.05) Conclusion: practice while watching based CPR training group was higher than the CPR score of power point based CPR training group. It is found that the practice while watching based CPR training could be effective.
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도로 BIM 라이브러리 기반의 실적공사비 산정체계 구축
문현석(HyounSeok Moon),김봉근(BongGuen Kim),김창윤(ChangYoon Kim),주기범(KiBum Ju) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.2
Currently, a BIM-based takeoff quantity system is mainly focused on architectural projects. To perform this, diverse takeoff quantity methods such as an object-based automatic takeoff quantity, manual quantity and base functions of calculation have been utilizing. However, since BIM library for road projects include structural elements associated with alignment, it is necessary to establish cost estimation system interlocked with historical cost using 3D library by each length. Accordingly, the aim of this study is to develop cost estimation model with using a historical cost approach so that it can be utilized in construction planning based on the BIM library for road project. For this, based on the BIM library for road, the standardized quantity is estimated, and a process for calculating historical cost and a verification model with a 5D simulation was developed by mapping a WBS code with each BIM library object. This can be applied during the approximate cost estimation process in a project planning and an initial design phase for road projects. Besides, it is expected that these results will be utilized in constructing an optimal historical cost estimation process for project libraries.
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