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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Journal of Construction Engineering and Management
Journal Basic Information
Journal DOI :
Korean Institute Of Construction Engineering and Management
Editor in Chief :
Volume & Issues
Volume 17, Issue 4 - Jul 2016
Volume 17, Issue 3 - May 2016
Volume 17, Issue 2 - Mar 2016
Volume 17, Issue 1 - Jan 2016
Selecting the target year
Improvement through Analysis of Current Open Book Policy for the Korean CM at Risk
Park, Kyungmo ; Kim, Changduk ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 3~11
DOI : 10.6106/KJCEM.2016.17.2.003
CM at Risk has been introduced in Korea to keep up with the global standards of construction management and provide a higher quality of cm service in line with a rapid change of the construction industry recently. However, it is widely considered that more time would required to settle down the system due to a lack of understanding towards CM at Risk, shortage of reliability and low capability to manage and undertake CM at Risk. Therefore, this research is analyzed problems of contract types, open book policies, and contract conditions of 33 numbers of projects undertaken by a bespoke domestic construction management firm in this research. Moreover, this research is suggested a method to establish an open book policy of CM at Risk aiming a better customers satisfaction through staff training, simplifying and improving a payment system, and a way to settle down an open book policy by improving a performance management system on site. It's expected that this research will contribute to a more competitive system with more dominating the market and a differentiation of the service so as clients to rely more on the CM at Risk.
An Improvement Measures of Maintenance Cost Accounting Standard for Improving Value in Public Buildings
Cho, Sangouk ; Hwang, Jeongha ; Lee, Chansik ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 12~20
DOI : 10.6106/KJCEM.2016.17.2.012
Along with the change of national accounting, the importance of systematic management of assets is emphasized and the awareness that the concept termed Asset Management should be introduced to the construction field too to manage facilities. The present study is a basic study for the introduction of the concept Asset Management and proposed accounting guidelines(proposal) for public building maintenance cost that can clarify maintenance cost accounting. Existing literatures and current accounting standards were examined and the actual states of maintenance cost accounting of public buildings in A metropolitan city were examined to draw problems. For the practice guidelines(proposal), the types and contents of government office building maintenance expenditures were analyzed and items that must be treated as OPEX and CAPEX were presented. Expert interviews were conducted to verify the reliability of the items presented. The practice guidelines(proposal) were applied to the public buildings in A metropolitan city to identify situations of changes in asset values and review the effects of the practice guidelines(proposal) on increases in asset values. When applied to practices, the practice guidelines(proposal) suggested in the present study are considered to increase building asset values and provide consistent financial information to help stakeholders' decision making.
A methodology for Predicting Equity Input Timing/Amount for Decision Making of Financing Apartment Housing Projects - From the Perspective of Mid-sized Construction Companies -
Yoo, Jinhyuk ; Cha, Heesung ; Shin, Dongwoo ; Kim, Kyungrai ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 21~30
DOI : 10.6106/KJCEM.2016.17.2.021
The current PF project is entirely relying on construction company's credibility. As such, it has increased a negative and bad recognition in domestic real estate economy. In addition, PF experts has a perception that a project's safety of future cash flow profitability is more important than the construction company's credibility. So many PF experts make an effort in order to set aside safe project structure of PF and analyse systematically the risks of the project. In common feasibility study of the PF Project, financial specialists and real estate specialists are forecasting and evaluating the suitability of the project through reviewing the development profit from the project of sales. However, cash flow analysis and evaluation from the perspective of mid-sized construction companies are still in the primary level. Therefore, this study has analysed the current feasibility study and go/no go decision making procedures. Then the authors have a new cash flow analysis method from the perspective of mid-sized construction companies, by improving the feasibility study and go/no go decision making procedures.
BIM-based Repair&Replacement (R&R) Cost Estimating Process
Park, Jieun ; Yu, Jungho ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 31~38
DOI : 10.6106/KJCEM.2016.17.2.031
In a construction project, the portion for maintenance costs for a building is considerable compared to the initial construction cost. As such, Life Cycle Cost (LCC) analysis is being increasingly utilized to assess the design value of engineering work in Korea. Additionally, the Public Procurement Service in Korea announced that it will be mandatory for all domestic construction projects to adopt BIM. Furthermore, the paradigm for architectural design has shifted from 2D to 3D, and to BIM, which includes a data management system. Within this background, however, there is currently no adequate BIM-based LCC analysis software and the requirements of cost estimation for repair and replacement cost for a building is not completely adequate in BIM tools such as Revit and Archicad. Therefore, this study suggests a process of cost estimation for repair and replacement (R&R) cost based on IFC data. First, we analyzed existing R&R criteria and defined BIM-based requirements when calculating R&R costs. These requirements were extracted from relevant IFC data. Subsequently, this was saved to a database and a BIM-based database was built for R&R cost estimation. Finally, this database was connected with external databases such as R&R Criteria DB and Cost Information DB to calculate R&R costs. This process is expected to improve upon the traditional process of cost estimation of R&R cost by applying a BIM model. The proposed process can contribute to a further standardizing of BIM-based LCC analysis thru application to initial construction costs, energy costs, and other maintenance costs.
Impact Analysis of Economic Fluctuation of Saudi Arabia on Korean Overseas Construction Business
Jeon, Jae-Keun ; Lee, Suk-Won ; Kim, Jae-Jun ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 39~48
DOI : 10.6106/KJCEM.2016.17.2.039
According to the order receipt report over the past 10 years the overseas construction business total trades were 54.05% and 68.09% done by the Middle East and other industrial facilities respectively. In the Middle East based on data collected in 2014 the country with most overseas construction business is Saudi Arabia with 34.10%, and the industrial facility occupies the larger share with 56%. Overseas construction business is suffering from a reduction in work orders in the Middle East because of the recent oil price reduction. At this point of view, it is necessary to consider economy fluctuation for the diversification of construction type and work orders. This study analyzed, focusing in Saudi Arabia how the economical fluctuations of nations of progress can affect overseas construction business' trade orders. The analysis results demonstrated that most construction types depends on GDP, investment fund. Also industrial facility can be substituted with Architecture and civil engineering. This work is expected to be used as a basis for trade order amount maintenance and construction type diversification.
Development of Construction R&D Strategy through the International Construction Market Analysis
Park, Hwanpyo ; Kim, Seok ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 49~57
DOI : 10.6106/KJCEM.2016.17.2.049
R&D projects for land, infrastructure, and transportation is to identify challenges through academic-industrial demand survey, and to promote R&D projects through detailed planning projects. These R&D projects have been promoted to be applied to most domestic project-oriented. Despite continuous R&D investment, the investment has been promoted to the world top technology rather than to international construction projects. This study analyzed the international construction market trends and international construction contracts in order to promote technology development for enhancing international construction competitiveness. This study suggests three R&D technology development directions and ten research projects for expanding international construction projects.
Deducting the Critical Enhancement Task of Green Remodeling based on IPA Method
Kwon, Young-In ; Hwang, Doo-Won ; Jung, Sung-Ho ; Lee, Ki-Seok ; Park, Jong-Il ; Choi, Yoon-Ki ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 58~69
DOI : 10.6106/KJCEM.2016.17.2.058
As issue of global environment, Korea government sets the specific goal to reduce CO2 emission by 26.9% in construction industry up to 2020. Korea government is encouraging Greenremodeling and progressing the pilot to establish the guideline and instruction. However, There is a lack of the study on establishing process, tasks of Greenremodeling, and Greenremodeling guidelines and instructions are also insufficient, so the vitalization of Greenremodeling is difficult. Therefore, the purpose of this study is deducting Greenremodeling process and the critical enhancement task of Greenremodeling. For that, deducting the Greenremodeling tasks through analyzing of previous research and taking counsel from experts, and drawing the critical enhancement tasks of Greenremodeling using IPA method. From now on, It is conducted in Greenremodeling business and expected to contribute Greenremodeling market.
A Probabilistic Risk-based Cost Estimation Model for Initial-Stage Decision Making on Apartment Remolding Projects
Lee, Dong-gun ; Cha, Heesung ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 70~79
DOI : 10.6106/KJCEM.2016.17.2.070
The current remodeling cost estimation process is not only dependent on the historical data of new building construction, but it also has a poor linkage with risk-based estimation approach. As such, there is a high risk of falling short of initial budget. To overcome this, a risk-based estimation approach is necessary by providing a probabilistic estimation in consideration of the potential risk factors in conducting the remodeling projects. In addition, the decision-making process should be linked with the risk-based estimation results in stead of intuitive and/or experience-based estimation. This study provides a probabilistic estimation process for residential remodeling projects by developing a detailed methodology in which a step-by-step approach can be achieved. The new proposed estimation approach can help in decision-making for remodeling projects in terms of whether to proceed or not, by effectively reflecting the potential risk factors in the early stage of the project. In addition, the study can enhance the reliability of the estimation results by developing a sustainable estimation process model where a risk-based evaluation can be accomplished by setting up the cost-risk relationship database structure.
A Study on Performance Evaluation of Infrastructure Safety and Maintenance
Kang, Sanghyeok ; Choi, Seok In ; Kim, Hwarang ; Lee, Jeongseok ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 80~89
DOI : 10.6106/KJCEM.2016.17.2.080
Recently, the paradigm shift of new construction into efficient operation and maintenance of infrastructure is seen. Also, concerns about infrastructure safety, especially the aged infrastructure, are on the increase. This study evaluates the current status of infrastructure safety and maintenance using data from 1994 to 2014 in Facility Management System operated by Korea Infrastructure Safety Corporation. Also, a quantitative analysis of safety performance of infrastructure is conducted to find out the enhancement of infrastructure safety in Korea. It was found that safety of facilities in Korea have been enhanced for the past decades. Improvement of safety performance of facilities is attributed to periodic safety inspection and repair and reinforcement. The result of the study can be used as a basic material for efficient and effective facility maintenance policies and strategies.
Extraction and Analysis of Construction Phase Risk Factors in High-rise Construction Project
Kim, Sooyong ; Kim, Sunghyun ; Yang, Jinkook ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 90~98
DOI : 10.6106/KJCEM.2016.17.2.090
High-rise buildings construction project have various risk factors. Major risk factors are negative results such as time delay and increase of costs. Therefore, this study was analyzed risk factors in construction stages of high-rise buildings using by PROMETHEE technique. For this, this research were identified risk factors through experts Focus Group Interview(FGI). And, PROMETHEE was used to setup evaluation standard for analysis of high-rise building construction risks. Next, the standard of evaluation index calculation was composed by using the definition level in PDRI. Preference function and evaluation index were identified through questionnaires. Through these processes, this study has calculated the importance of high-rise building construction risks using by PROMETHEE technique. As a result, high degree risk factors were as following. These are 'Operation plan of material lifting', 'Outrigger & Belt Truss Construction', 'Foundation work plan of high-rise building' and 'Considering a Structure concept of high-rise building'.
Interoperability Analysis for BIM software Based on User-defined Properties
Kang, Seunghee ; Ha, Jiwon ; Ju, Taehwan ; Jung, Youngsoo ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 99~109
DOI : 10.6106/KJCEM.2016.17.2.099
The utilization of Building Information Modeling (BIM) has increased in order to enhance the integration of information for management and resources throughout the construction projects. Therefore, various BIM softwares have been used under open BIM environments in the building and plant construction industry. However, it has obstructive factors due to the lack of interoperability. In order to address this problem, this study conducted an interoperability analysis of BIM software focused on user-defined properties for enhanced function and efficiency. Result of the analysis shows that authoring tools have more interoperability problems than viewer tools and simulation tools have. In terms of interoperability, user-defined properties outperforms than those of system basic properties and logic data. Therefore, it was found that functional improvement and workload minimization in BIM can be attained by applying the GBS (an user-defined property for automatic manipulation of BIM proposed by Jung et al. 2013) that enables automatic link between geometric data and non-geometric data. In this respect, this study concludes that the application of user-defined property (e.g. GBS) can be an effective method for information integration throughout construction projects.
The Study on the Sustainable Sharing Plans of Military Installations for a Civil Military Co-existence
Park, Young Jun ; Son, Kiyoung ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 110~117
DOI : 10.6106/KJCEM.2016.17.2.110
This paper shows procedure and strategies to improve military facilities and local residents' welfare through a civil-military sustainable cooperation project. Military installations tend to impede urban developments, so that a few civil compliant have been often filed. Meanwhile, it is sometimes impossible to relocate military units due to their own unique purpose, even though they belong to core sites of civil developments, which are generally indispensible due to urban expansion, magnified road networks and so on. The solution to offset these conflicts between civil and military demands, which are associated with military units and urbanization surrounding them, is to establish sustainable strategies which enable both civil and military be beneficial. In this study, it is described, decision making procedure to make some facilities of a military unit be better as well as promote local residents' welfare through securing high-quality sports facilities. Delphi-technique and Paired Comparison Method are used to collect civil and military opinions regarding sustainable agreements. As a case study, a civil military cooperation project between a military unit and a local government is introduced. With successful projects, it is expected that the better installations could lead positive images of a military unit, provide advanced athletic environments for both local residents and military personnels, and lessen defense cost to maintain them. Moreover, this project will go down as a paragon of civil military sustainable cooperation.
A Empirical Research for Subcontractor Selection Model in the International Construction Project
Lee, Changjun ; Seok, Hochan ; Lee, Sangjun ; Jang, Woosik ; Han, Seung-Heon ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 118~126
DOI : 10.6106/KJCEM.2016.17.2.118
International construction market have quantitatively increased and have reached up to 700 Bil. US$ through active effort of construction firms and government. In spite of this increase, substantiality issue has been constantly disputed due to qualitative problems such as lack of capability and technical shortage. To overcome these problems, many methods in performing quantitative growth and qualitative substantiality of overseas construction are being researched which showed that selection of subcontractors in general contractor is regarded as a very important success factor. However, it is difficult to make a reasonable decision for selecting the subcontractors due to the lack of evaluation standards and reliability. This study proposes an improved evaluation system through adjustment of the evaluation indicators using correlations analysis and multiple regression analysis with pre-qualification and performance evaluation of 121 firms in 6 countries.
A Study on Change order factor analysis for military facility projects
Jung, Woo-Seung ; Lee, Min-Jae ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 127~134
DOI : 10.6106/KJCEM.2016.17.2.127
Design modification is one of the elements that must be controlled in the process of any construction project. Especially a military facility project comes with more obstacles than private work due to the unique characteristics and closeness of the military. As there are both the project manager and the user within the ordering body, it is likely to have difficulties unless communication is conducted smoothly. The reason is that such issues regarding communication lead to design modification and it will result in the user's dissatisfaction. Thus this study aimed to identify the elements that generally cause design modification by analyzing characteristics of military projects from the status of current project contracts, analyzing past elements that lead to design modification and comprehensively researching responds from the survey on operators of facility projects. It is expected that loss from design modification of military facility projects is reduced by proposing feasible and practical improvements.
Selection of an Optimal Conception Design for the Development of Noise-reduced System Aluminum Form
Hong, Jong Hyun ; Yeom, Dong Jun ; Kim, Young Suk ;
Korean Journal of Construction Engineering and Management, volume 17, issue 2, 2016, Pages 135~145
DOI : 10.6106/KJCEM.2016.17.2.135
In Korea, a series of noise-reduced aluminum forms are being recently used in apartment housing construction. However, their complicated and time-consuming work processes, and the noise which is still generated due to the inherent property of aluminum when especially installing and dismantling them have been pointed out as a problem to be certainly solved for increasing their practical use in construction sites. The primary objectives of this study are proposing an optimal conceptual design of a newly designed noise-reduced aluminum form and verifying the technical feasibility by conducting a working mock-up drive experiment. Thus, conventional noise-reduced aluminum forms have been analyzed and three conceptual designs of a newly noise-reduced aluminum forms have been deducted. AHP has been applied to a survey data collected by interviewing field experts. A trade-off analysis results have shown that 'Noise-reduced System Aluminum Form with a Drop-down Floor Post and Adaptive Beam' the highest weights of safety(0.52), work convenience(0.54) and thus selected. The suggested conceptual design in this study improved problems of conventional system aluminum forms. It is also expected that the suggested design will be used as a reliable guideline for the actual development of an aluminum form that ensures noise-reduce, work convenience and labor safety.