• 제목/요약/키워드: Detail design

검색결과 2,151건 처리시간 0.029초

PGSFR BOP계통 배관 응력평가 적용방안 고찰 (Considerations of Stress Assessment Methodology for BOP Pipings of PGSFR)

  • 오영진;허남수;장영식
    • 한국압력기기공학회 논문집
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    • 제12권1호
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    • pp.101-106
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    • 2016
  • NSSS (Nuclear Steam Supply System) and BOP (Balance of Plant) design works for PGSFR (Prototype Gen-IV Sodium Fast Reactor) have been conducted in Korea. NSSS major components, e.g. reactor vessel, steam generator and secondary sodium main pipes, are designed according to the rule of ASME boiler and pressure vessel code division 5, in which DBA (Design by Analysis) methods are used in the stress assessments. However, there is little discussions about detail rules for BOP piping design. In this paper, the detail methodologies of BOP piping stress assessment are discussed including safety systems and non-safety system pipings. It is confirmed that KEPIC MGE(ASME B31.1) and ASME BPV code division 5 HCB-3600 can be used in stress assessments of non-safety pipes and class B pipes, respectively. However, class A pipe design according to ASME BPV code division 5 HBB-3200 has many difficulties applying to PGSFR BOP design. Finally, future development plan for class A pipe stress assessment method is proposed in this paper.

Open BIM-based quantity take-off system for schematic estimation of building frame in early design stage

  • Choi, Jungsik;Kim, Hansaem;Kim, Inhan
    • Journal of Computational Design and Engineering
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    • 제2권1호
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    • pp.16-25
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    • 2015
  • Since construction projects are large and complex, it is especially important to provide concurrent construction process to BIM models with construction automation. In particular, the schematic Quantity Take-Off (QTO) estimation on the BIM models is a strategy, which can be used to assist decision making in just minutes, because 70-80% of construction costs are determined by designers' decisions in the early design stage. This paper suggests a QTO process and a QTO prototype system within the building frame of Open BIM to improve the low reliability of estimation in the early design stage. The research consists of the following four steps: (1) analyzing Level of Detail (LOD) at the early design stage to apply to the QTO process and system, (2) BIM modeling for Open BIM based QTO, (3) checking the quality of the BIM model based on the checklist for applying to QTO and improving constructability, and (4) developing and verifying a QTO prototype system. The proposed QTO system is useful for improving the reliability of schematic estimation through decreasing risk factors and shortening time required.

국내외 표준 시방서의 거푸집 설계 관련 규정의 비교 (Comparison of Domestic and Foreign Standard Specifications on Form Design)

  • 전규남;최성용;백대현;한민철;한천구
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2010년도 춘계 학술논문 발표대회 1부
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    • pp.29-31
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    • 2010
  • This study investigated the typical standards of B kind of standard specification related to home and abroad forms design and compared them, and the results can be summarized as follows. In case of domestic standards, regulations on most forms design was described relatively in detail. and in case of CTEA among them, it included detailed contents of load conditions, lifting and subsidence. In case of abroad standards, the design regulations are only simply mentioned, not in detail, in ACI, CEB-FIP and BS, and JCI and JASS were similar to domestic KCI and KASS regulations. As to structural calculation in forms design regulations, most of domestic regulations included detailed matters on structural calculation, among them, CTEA shows the most detailed matters on it. On the other hand, it could be known that in case of abroad standards, most standards do not include matters on structural calculation except ACI, JCI and JASS.

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의자디자인을 위한 프로그래밍에 관한 연구 (A Study on Programming for Chair Design)

  • 김진우
    • 한국가구학회지
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    • 제13권1호
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    • pp.61-69
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    • 2002
  • Compared to the fields of Interior Design and Architecture, there have been very few research studies peformed to analyze the history of furniture design in Korea. If our Country wishes to become a participant in the world of global furniture design, it will be necessary to perform more offensive research in both the design of furniture, as well as a complete documentation of our Country's history of furniture design. This study aims to detail the method of chair design by analyzing two examples of chair design. The study, once complete, will be a reference for furniture designers as a practical method, and will become basic material for ongoing studies of the Programming for chair design.

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설계민감도를 이용한 분말단조 공정에서의 최적 예비성형체 설계 (Optimal Preform Design in Powder Forging by the Design Sensitivity)

  • 정석환;황상무
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 1998년도 춘계학술대회논문집
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    • pp.113-116
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    • 1998
  • A derivative based approach to process optimal design in powder forging is presented. The process model, the formulation for process optimal design, and the schemes for the evaluation of the design sensitivity, and an iterative procedure for the optimization are described in detail. The validity of the schemes for the evaluation of the design sensitivity is examined by performing numerical tests. The capability of the proposed approach to deal with diverse process parameters and objective functions is demonstrated through applications to some selected process design problems.

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일체식교량의 접속슬래브 연결철근 형상에 따른 연결부 구조거동에 대한 실험연구 (Experimental Study on the Structural Behavior of Typical Bar Connections of Approach Slab in the Integral Abutment Bridge)

  • 유성근;김나연;김호섭;김현기;김영호
    • 복합신소재구조학회 논문집
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    • 제5권4호
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    • pp.24-35
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    • 2014
  • An experimental study on the structural behavior of connection types between approach slab and integral abutment has been done for three typical bar connections. Typical hinge style reinforcing bar detail for its connection is preferred in order to accommodate rotation of the approach slab among engineers. However, the straight horizontal bars can be used as connection detail accomodate structural capacity. Total six specimens with three types of rebar detail are tested for direct tensile and bending load. The characteristic structural behaviors are carefully monitored and all the strain gauge data obtained are analyzed. It is shown that the structural performance of all the specimens well exceed its design allowance. Several design suggestions are given based on careful reviews on the experiment.

KBC 2009와 KBC 2005의 내진철근상세 비교 (Seismic Reinforcement Detail Comparison of KBC 2009 and KBC 2005)

  • 이현호
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2010년도 춘계 학술대회 제22권1호
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    • pp.173-174
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    • 2010
  • 2009년 개정된 KBC 2009는 기존의 KBC 2005를 개정한 것으로, 특수모멘트 골조의 도입 등 새로운 내진배근상세 등이 도입되었지만, 이에 대한 검토 및 배근상세가 부족한 것으로 판단된다. 이에 본 연구에서는 KBC 2009 및 2005기준의 내진상세를 표와 그림으로 비교하여, 실무 적용시 발생될 수 있는 문제점을 개선하였다.

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르 꼬르뷔제의 재료 질감 사용 및 색채 표현 - 롱샹성당의 입면과 디테일을 중심으로 - (The Expression of Color and Texture Usage of Finish Material from the Le Corbuisier's Work - Focused on the Elevation and Detail in the Chapel Ronchamp -)

  • 김소희
    • 한국실내디자인학회논문집
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    • 제23권6호
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    • pp.70-77
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    • 2014
  • The purpose of this study is providing a usage of exterior, interior finish materials and color scheme for architectural design and the actual texture and pattern plans of finish materials from Le Corbuisier's work, Chapel Ronchamp. Chapel Ronchamp was analyzed to support the study for the interaction between texture usage and color expression. As a powerful design tool, texture, pattern and color of finish materials are very effective to alter the perception of the facade in the building. Most of architectural buildings, shapes and materials of elevations are monotonous and uniform. This study should be considered by details in the elevation of Chapel Ronchamp. As the part for developing and planning of architectural design, researching color plans and finish material is very important on real expression in the architectural space. As a result, this study will benefit in planning both the exterior and interior environments of color and finish material with texture and pattern.

STEP 방법론을 이용한 선박설계 모델의 공유 (Sharing Ship Design Model Based on STEP methodology)

  • 신용재;한순흥
    • 대한조선학회논문집
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    • 제35권4호
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    • pp.98-108
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    • 1998
  • 중앙 단면도 등의 선박의 초기 구조설계는 여러 가지 이유로 2차원으로 설계되어 다른 설계부서에 도면으로 전달되고 있다. 본 연구에서는 기능이 서로 다른 여러 가지 컴퓨터 시스템사이의 데이터 교환을 위한 예제로, AutoCAD로 작성된 2차원의 초기 구조 설계 데이터를 구조해석(FEM) 시스템이나 상세설계 시스템(AutoDef)등의 다른 시스템에서 사용할 수 있는 데이터를 생성해 보았다. 이를 위해 STEP 제품모델의 방법에 따라 데이터가 정의 되었으며 2D 형상이나 3D 와이어프레임, 솔리드 모델등 다양한 형상을 다룰 수 있는 복합다양체 모델링 형상 도구인 ACIS가 사용되었다.

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장애물 없는 주택 설계기준에 관한 연구 - 국내 공동주택의 무장애(barrier free) 설계수준 평가를 중심으로 - (Design Criteria in Barrier Free Housing)

  • 김상운;박광재;강병근
    • 의료ㆍ복지 건축 : 한국의료복지건축학회 논문집
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    • 제10권2호
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    • pp.107-115
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    • 2004
  • In this paper, the all units of residential housing that is not legislated in facility development law are analyzed and foreign design criteria that is related to barrier-free unit housing is comparing to domestic. Through the comparison in front door, living room, bathroom, bedroom, and kitchen, this paper aims to suggest internal barrier-free design criteria. This paper is limited to internal housing which are front door, living room, bedroom, bathroom, and kitchen. Also, the objectives of facility development law are U.S, Japan, German, and in case of U.S, UFAS is established by ADA, in Japan, Heart Building law and detail standard drawing are used, in German, DIN is used. The objective of domestic case study is the latest residential housings that are built over 2003. The flow of study is as follows ; First, the internal items of residential housing are abstracted, and each item is checked in facility development law that is legislated in. Next, through comparison of domestic and foreign facility development law related to housing, common items are abstracted and detail standards are defined. Domestic residential housings are analyzed in those standards. Finally, the problems that is the result of analysis are analyzed and the barrier free design criteria is abstracted in unit housing. Also, more developed items and future study are suggested.

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