• 제목/요약/키워드: Building cost

검색결과 2,772건 처리시간 0.027초

금속원자재가격의 변동이 건설공사비에 미치는 영향 분석 (A Causal Relationship between Metal Material Prices and Construction Cost)

  • 상준;변정윤;유승규;김주형;김재준
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2012년도 춘계 학술논문 발표대회
    • /
    • pp.137-138
    • /
    • 2012
  • Domestic construction materials market was about 65 trillion won and it occupied 45% level of total construction cost by 2007. In addition, due to the recent rapid rise of crude oil and iron ore price, fluctuation of raw material cost has a great influence to the cost of construction industry. This means that smooth performance is closely related to construction materials. And among them, because of high putting rate of metal materials, it can be seen that the fluctuation of metal material prices is an important variables. So in this study, for the pre-study to analyze the impact of metallic material prices to construction cost, the researcher analyzed a causal relationship between metal material prices and construction cost.

  • PDF

노후 공동주택의 위험요인을 고려한 확률적 유지관리비 분석 개념 (A Concept of Probabilistic Maintenance Cost Analysis Considering Risk Factors of Aged Multi-Family Housing)

  • 박문선;원서경
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2019년도 춘계 학술논문 발표대회
    • /
    • pp.246-247
    • /
    • 2019
  • This study was conducted to provide useful information to enable planned repair and cost planning during the operation and maintenance phase of aged multi-family housing. For this purpose, The concept of probabilistic maintenance cost analysis considering the risk factors of the aged multi-family housing is presented in the following six steps. 1. Risk factor investigation and analysis 2. Classification and deriving of maintenance cost 3. Investigation and deriving cost maintenance cost of old apartment house 4. Analysis of expert questionnaire 5. Analysis of Monte -Carlo simulation 6. Probabilistic maintenance cost Deriving the result. This study has limitations that need to be verified by applying actual data.

  • PDF

메가프로젝트 원가 자료 분석에 관한 연구 (A Study of cost data modeling for Megaproject)

  • 지성민;조재경;현창택
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2009년도 추계 학술논문 발표대회
    • /
    • pp.253-256
    • /
    • 2009
  • To the success of the megaproject including various and complex facilities, it is needed to establish a database system. Developments in data collection, storage and extracting technology have enabled iPMIS to manage various and complex information about cost and time. Especially, when we consider that both the go and no go decision in feasibility, Cost is an important and clear criteria in megaproject. Thus, Cost data modeling is the basis of the system and is necessary process. This research is focus on the structure and definition about CBS data which is collected from sites. We used four tools which are Function Analysis in VE, Casual loop Diagram in System Dynamics, Decision Tree in Data-mining, and Normalization in SQL to identify its cause and effect relationship on CBS data. Cost data modeling provide iPMIS with helpful guideline.

  • PDF

공동주택 리모델링 사업 분담금 산정의 문제점 및 개선방안 (Improved Methods of Cost Sharing in Apartment Remodeling Projects)

  • 김정원;이동진;이민주;이지형
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2019년도 추계 학술논문 발표대회
    • /
    • pp.184-185
    • /
    • 2019
  • The purpose of this study is to suggest the improved methods for cost sharing in apartment remodeling projects. Case studies on apartment remodeling projects with different plan type were analyzed and compared. Cost sharing estimated by 'proportional rate method' shows similar results estimated by 'return on investment method' in case of similar area ratio of existing plan to remodeling plan. Otherwise cost sharing estimated by 'proportional rate method' shows great differences comparing the results estimated by 'return on investment method'. Although return on 'proportional rate method' is widely used, it is not proper to estimate cost sharing when each householder's contribution for the project varies, such as considerable differences area ratio of existing plan to remodeling plan. Improved cost sharing method is needed taking into account project contribution and characteristics.

  • PDF

소규모 시공현장 적정공사비 확보를 위한 원가기준 마련 연구 (A Study on Cost Standards for Securing Appropriate Construction Costs for Small-Scale Construction Sites)

  • 오재훈;안방율
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2023년도 봄 학술논문 발표대회
    • /
    • pp.347-348
    • /
    • 2023
  • In construction sites, small-scale construction quantities or limited work hours below the daily work volume may occur due to on-site conditions. For small-scale quantities, the input of equipment and labor is designed based on an hourly basis in the invoice, resulting in a difference from the actual cost. In this study, we aim to explore solutions from the perspective of construction cost standards to secure appropriate construction costs for small-scale and time-limited construction sites. Firstly, to preserve the basic construction costs on-site, we established standards where half the cost would be charged for construction quantities below four hours and a full day's cost would be designed for construction quantities between four to eight hours. Additionally, realistic construction cost calculation standards are expected to be provided by realizing a surcharge rate for work hour limitations to secure appropriate construction costs.

  • PDF

VE 기법에 의한 건물 지하구조의 공사원가 절감방안 (Construction Cost-Down of Building Substructure by VE Techniques)

  • 김선국;허성수;최윤기
    • 한국건설관리학회논문집
    • /
    • 제6권1호
    • /
    • pp.125-132
    • /
    • 2005
  • 국내 건설기업들은 건설시장에서 경쟁우위를 확보하기 위해 모든 공종을 대상으로 원가절감 및 품질향상을 위한 노력을 경주하고 있다. 특히, 건축공사에서 골조공사는 전체 공정 및 원가에 영향을 크게 미치는 주요 공정으로서 철저한 공사 계획과 관리가 요구되는 부분으로서 생산활동 및 공사방식 선정효과를 크게 볼 수 있는 항목이다. 따라서 공사계획 단계에서 설계도서와 현장조건을 면밀히 분석하여 품질, 안전을 확보하면서 공기단축, 원가절감, 시공성 향상을 꾀할 수 있는 대안 개발이 필요하다. 본 연구는 설계 및 시공단계에서 지하 구조물의 원가절감을 창의적, 체계적으로 수행하기 위한 개선방안으로 YE기법을 검토하였다. 또한 이를 이론적, 실무적으로 적용 가능한 것으로 발전시키기 위해 지하 골조공사에 대한 VE모델을 정의하고 이를 실제현장에 적용하여 원가절감 효과와 VE 활용성을 검토한다. 따라서 본 연구는 건축물 지하 골조공사의 VE 활용모델로서 기술대안 선정방식 수립의 기초적 인 연구가 될 것으로 기대된다.

SD500철근 커플러 이음의 편익/비용분석에 관한 연구 (A Study on Benefit/Cost Analysis of Re-Bar Connection Methods for Hyper Strength(SD500) Reinforcement)

  • 김재엽;권여울;김준영
    • 한국건축시공학회지
    • /
    • 제8권2호
    • /
    • pp.81-87
    • /
    • 2008
  • High-rise building is taking a place as one of building types from apartment housings to commercial buildings. With taking in account of stability and durability, strength of used materials is increasing gradually in these high-rise buildings. According to this, frequency in use of SD500 re-bar is increasing gradually in high-rise buildings. However the study of SD500 re-bar is insufficient because SD500 re-bar started to be used for domestic buildings lately. Specially because there is no guide or study to refer to, people get into difficulties when to decide the method of re-bar connection in construction using SD500 re-bar. Accordingly in this study, it suggests the method of estimating the economical efficiency on SD500 re-bar connection, and conducts benefit/ cost analysis on lapped splice and coupler splice by applying AHP theory, and then presents its result. After to analyze re-bar diameter of D25, 29, and 32, finally we attained the result that the coupler splice is advantageous in all parts of benefit/ cost more than the lapped splice.

오브젝트-파라미터 통합 오피스 마감공사비 개산견적 모델 (Object-Parameter Integrated Schematic Estimation Model for Predicting Office Building Interior-finishing Costs)

  • 박성호;구교진;박성철
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2008년도 추계 학술논문 발표대회
    • /
    • pp.159-165
    • /
    • 2008
  • For deciding the profitability and feasibility of the construction project, the schematic estimation has to not only link the design decision-making but also estimate the cost with reliability. The Object-based schematic estimation system was developed for easily linking with design-making and supports to evaluate the design alternatives in the design development stage but didn't consider the cost estimated by object supplementary and parameter work item. This research presents the Integrated Object-Parameter Schematic Estimation Model in the design development stage that can lead to more accurately estimate the cost through analyzing historical data from the high-storied office buildings. For the development of the proposed model for schematic estimation, after analyzing and classifying the work items from the Bills of Quantities(BOQs) and drawings of historical data, this research proposed the methods of estimating cost in accordance with attributes of each work item using regression analysis. In addition, a case study is performed for the effectiveness as comparing the proposed model with the previous estimating model.

  • PDF

공동주택에 대한 부위별 공사비 산정에 관한 연구 - 사례 H사의 실행단가를 중심으로 한 연구 - (A Study on the Estimation of Elemental Costs for an Apartment Building)

  • 강현욱;유종환;김용수
    • 한국건설관리학회논문집
    • /
    • 제8권2호
    • /
    • pp.173-181
    • /
    • 2007
  • 본 연구의 목적은 사례 H사의 실행단가를 적용하여 사례대상 공동주택의 부위별 공사비를 산정 하는데 있다. 이를 위하여 실적공사비제도, 표준품셈제도, 공사비지수에 대해 고찰하고, 현행 공동주택 공사비 산정 방식의 문제점을 분석하였다. 다음으로 사례 H사가 시행한 공동주택 사례를 선정하여 부위별 분류체계를 정립한 후 하도급 업체와 거래한 실행단가를 분류하였다. 위와 같은 과정을 통하여 공동주택의 부위별 공사비 분류표를 작성하고, 이에 대한 활용방안을 제시하였다. 상기와 같은 목적과 방법으로 연구한 결론은 다음과 같다 첫째, 공동주택의 부위별 분류 체계를 정립하였고, 둘째, 부위별 분류 체계에 따른 공사비 분류표를 제시하였다.

2D 도면 인식을 통한 부재 물량 산출 자동화 기술 개발 (Development of Automation Technology for Structural Members Quantity Calculation through 2D Drawing Recognition)

  • 선우효빈;최고훈;허석재
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2022년도 봄 학술논문 발표대회
    • /
    • pp.227-228
    • /
    • 2022
  • In order to achieve the goal of cost management, which is one of the three major management goals of building production, this paper introduces an approximate cost estimating automation technology in the design stage as the importance of predicting construction costs increases. BIM is used for accurate estimating, and the quantity of structural members and finishing materials is calculated by creating a 3D model of the actual building. However, only 2D basic design drawings are provided when making an estimating. Therefore, for accurate quantity calculation, digitization of 2D drawings is required. Therefore, this research calculates the quantity of concrete structural members by calculating the area for the recognition area through 2D drawing recognition technology incorporating computer vision. It is judged that the development technology of this research can be used as an important decision-making tool when predicting the construction cost in the design stage. In addition, it is expected that 3D modeling automation and 3D structural analysis will be possible through the digitization of 2D drawings.

  • PDF