• Title/Summary/Keyword: Construction Productivity

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The Development of a Construction Productivity Prediction Model Based on Data Mining (데이터 마이닝 기반의 건설 생산성 예측 모델 개발)

  • Woo, Gi-Beom;Ahn, Jy-Sung;Oh, Se-Wook;Kim, Young-Suk
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.813-818
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    • 2007
  • Construction productivity is a key factor for efficiency evaluation of construction work process, project performance measurement, and basic data of work plan in construction industry. However, although construction productivity is important in construction industry, gathering methodology and analyzing methodology of productivity data are not well-organized therefore productivity data is not utilized in the construction industry The purpose of this study is to develop productivity prediction system using data mining technology based on activities and to suggest frameworks about productivity data collection, accumulation.

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A Sutdy on the development method of Construction Productivity analysis system based on Web & OLAP (웹(Web) 및 OLAP 기반의 건설 생산성 분석 시스템 개발방안 연구)

  • Lee, Jeong-Dae;Kim, Sang-Bum;Kim, Yae-Sang;Kim, Young-Seok
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.306-311
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    • 2007
  • Proper management of construction productivity is one of the main drivers of project success. This research focuses on the development of a construction productivity analysis system based on Web and OLAP in order to effectively manage construction productivity. Throughout the research effort, a construction productivity analysis system was modeled using IDEFO & ERD techniques and was deployed on the WWW(World Wide Web). Based on the system modeling, this research studies the methodology for system development of construction productivity that can consult the decision of managers on job site.

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Regression Technique-based Productivity Estimation conducting Construction Delay Factor Analysis on Interior Works in High-rise Building Construction (공기지연요소분석을 이용한 회귀분석 기반 초고층 내부공사의 생산성 예측)

  • Kim, Hyun-mi;Kim, Tae-Hyung;Shin, Young-Keun;Kim, Young-Suk;Han, Seungwoo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.05a
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    • pp.191-192
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    • 2011
  • The construction projects contain a lot of variables and risk affecting productivity. The duration of the project must be recognized important as for quality, unit cost and safety. There is need for improving work efficiency by investigating relationship of works to prevent delay. This study focuses on analysing the delay factors of steel staircase system to suggest regression model that enables construction productivity estimation. The position of the observers and construction delay factors were expressed by the independent variable of the regression model and productivity was expressed by a dependent variable. This paper suggests quantitative productivity and it is expected that will be helpful estimating application in construction new technologies.

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An Analysis of Productivity on the Reinforced Concrete in the Apartment Construction Site (공동주택 건설현장의 철근콘크리트 공사 생산성 분석)

  • Kim, Min-Jae;Lee, Kang-Hyup;Shin, Won-Sang;Son, Chang-Baek
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.05a
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    • pp.34-35
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    • 2014
  • When various construction types of architectural construction are proceeded in order, the reinforced concrete construction is the frame construction which takes up the most important proportion among the construction process. Thus, the analysis of the effectiveness and productivity of the reinforced concrete construction is necessarily needed for smooth performance of construction projects. However, the conventional studies are performing the analysis of the productivity of only part(mould and steel) of the reinforced concrete construction and they have limitation in that they do not propose quantitatively the overall productivity of reinforced concrete construction.

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The Productivity and Importance Factors of Workers in Construction Site (국내 건설근로자의 생산성 관련 중요 요인 도출 및 중요도 조사)

  • Jung, Young-Chul;Moon, Joon-ho;Kim, Jin-Dong;Kim, Gwang-Hee
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.11a
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    • pp.73-74
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    • 2011
  • Compared to the other industries, construction industry depends many parts of production activities on manpower. And also 3D perception on construction industry and the shortage of motivation in construction workers are the biggest reason to reduce construction productivity. So to solve this problem, the research of factors which affect more to improve the construction workers attitude in construction site will be needed. This research has investigated that the productivity and important factors was divided to economic factors, social factors, psychological factors. The result show that economic factors remain pre-eminent in influencing productivity, but that social factors and psychological factors appear to be of increasing importance in this construction industry.

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Structural Analysis of Labor Productivity Influence Factors in Construction Industry Using Fuzzy DEMATEL Method (Fuzzy DEMATEL 방법을 활용한 건설산업 노동생산성 영향요인 구조분석)

  • Lee, Chanwoo;Cho, Hunhee
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2023.05a
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    • pp.353-354
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    • 2023
  • Improving productivity in industries is a very critical issue, and improving labor productivity is especially important in construction industry, which is a labor-intensive industry. However, researches on labor productivity in construction industry are insufficient, and most of previous studies have limitations in terms of specificity and logic. In this study, fuzzy DEMATEL method was used to structural analyze of influence factors for labor productivity in construction industry based on previous researches and expert survey. The result of this study contributes to deriving priorities for improving labor productivity.

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An Analysis on the Productivity Depreciating Factor of Cast-In-Place Piles Work (현장(現場)타설 콘크리트 말뚝공사의 생산성(生產性) 저하요인 분석(分析))

  • Lee, Myung-Do;Lee, Hyun-Seok;Seo, Jang-Woo;Kang, Kyung-In
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2008.05a
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    • pp.133-139
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    • 2008
  • Productivity is an important factor of the construction's success and growth. However, compared to the other industries, the study of productivity in the construction industry is still insufficient. Even though the Cast-in-Place piles work is also important in construction process, the research on the productivity is not enough. So, it is necessary for the systematic research on the productivity of Cast-In-Place Piles Work. Therefore, the purpose of the study is to classify lower productivity's cause and find a way to improve these situations. This study will give the checklist for the further study of factoring and improvement of the Cast-in-Place piles work productivity.

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AN ANALYSIS ON THE LABOR/CAPITAL PRODUCTIVITY OF THE CONSTRUCTION INDUSTRY

  • Minsoo Choi;Jinu Kim;Moohan Kim
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.968-973
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    • 2005
  • The purpose of this study is to clarify the reality of labor and capital productivity in the construction industry through an industry-level approach and to analyze the relationship between labor and capital productivity using a Cobb-Douglas production function. According to the research results, the construction industry has shown a very high capital productivity, while labor productivity has kept up a low level during the 1980s and 1990s. The reason was because of the lack of skillful construction workers and the decrease of capital. Meanwhile, the construction productivity has greatly increased since 2000 when there was no change in wages. This was because of a large inflow of low-wage foreign workers while the amount of value added has dramatically increased due to the liberalized sale price of apartment buildings. According to the analysis by the Cobb-Douglas production function, the elasticity coefficient of V/L to K/L in the construction industry had decreased from 1.1663 in the 1st period(1971-1988) to 0.4465 in the 2nd period(1989-1997), and to 0.1664 in the 3rd period(1998-2003). Such a result means that the allocation of labor has gradually increased while the allocation of capital has decreased. Moreover there was a big increase in allocation of labor after 1998 due to the excessive deterioration of capital. In conclusion, in order to raise the construction productivity and to avoid labor-intensive production methods, investment for capital should be more increased. In particular, new machinery and equipment that can actually substitute human labor in construction sites should be more developed and applied to construction sites.

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Digital Pen System for Measuring the Productivity at Construction Site (건설현장 디지털 펜 활용 생산성 측정 시스템 구축)

  • Cho, Ye-Rim;Kim, Tae-Yong;Shin, Yoon-Seok;Kim, Gwang-Hee
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2016.05a
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    • pp.74-75
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    • 2016
  • The success of the domestic construction project is mostly judged by process and costs. It can raise the accuracy of the process and costs through productivity measurement and management. System which can increase the productivity and efficiency is required at this moment. The purpose of this study is to introduce the case of measuring productivity system using the Digital Pen System. To utilize Digital Pen System can raise construction productivity. This system is expected to more efficient to accumulation and utilization of construction site information.

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Measuring and Modeling Labor Productivity using Historical Data (이력 데이터를 사용한 노무생산성 모델링 및 측정)

  • Park, Young-Jun;Son, Chang-Baek;Lee, Dong-Eun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.11a
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    • pp.141-142
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    • 2012
  • Estimating the productivity of labor has relied on the experience and intuition of an estimator, or productivity data, such as standard in practical estimation. However, when new technologies and new construction methods employed in the construction industry, Dependence of a quantity surveyor's intuition is increased. This is because of the lack of a systematic methodology which models, estimates, and measures the labor productivity, Due to the historical productivity data is unavailable. Even thought project history data contains information that is important to predict the performance of a project, It can not provide valuable information to model, estimate, and measure the labor productivity. This is because 1) the absence of the productivity measurement system with consistency, 2) the difficulty of reusability of historical data collected. Therefor, this study suggests a methodology which build a productivity model by measuring the productivity of labor and collecting the historical data systematically. In addition, this methology is applied to develop a productivity model of shop-drawing and manufacturing process using descrete event simulation.

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