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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 1, Issue 4 - Dec 2000
Volume 1, Issue 3 - Sep 2000
Volume 1, Issue 2 - Jun 2000
Volume 1, Issue 1 - Mar 2000
Selecting the target year
Improvement of Construction Process Control to Reduce Construction Risk
Park Hong-Tae ; Son Chang Baek ; Kang Leen Seok ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 35~44
The major objective of construction process control(CPC) is to provide construction managers with operational information that will help reduce project duration and save project cost. However, the CPC in Korea is being applied to construction projects with some basic problems such as the inconvenience of CPC S/Ws and the process control unconcerned with construction information classification system and computer system to integrate cost and schedule. This study analyzes the present condition of CPC including the basic problems, and then suggests the reform measures in technical and operational viewpoints to reduce construction risk. The focus of study is on the technical improvement for the application of construction information management system applicable to both cost estimating and schedule management.
A Study on the Improvement of SOC Project Planning Process and Systems
Shin Dongwoo ; Kim Yea-Sang ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 45~52
In Korea, demand for the Social Overhead Capital(SOC) projects has tremendously increased since 1970's and is expected to keep growing to support national economic development as well as to enhance the quality of life. In these projects, project planning and feasibility study phase is one of the most critical phases because it determines the success of later phases. However, we have experienced trial and errors repeatedly such as cost overruns and schedule delays in many of the SOC projects. These problems can be prevented or at least expected in the earlier phase and it requires well-developed and standardized project planning process and systems before design, procurement, and construction phases begin. Therefore, the purpose of this research is to investigate current problems in this phase and provide framework for a model for the project planning management which can be used for the SOC projects to insure the whole project success.
FREES : Fuzzy Risk Evaluation Expert System
Cho Ick-Rae ; Park Chan-Sik ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 53~62
This study proposes FREES(Fuzzy Risk Evaluation Expert System) for analyzing and evaluating risks occurring during the construction process. The feasibility of this system model was tested by virtual scenario. For the development of the model, at first, risk breakdown structure was established based on risks identified in the existing researches, that is quantitative and qualitative. FREES can reflect human cognition process in the risk analysis and evaluation by adopting artificial intelligence fuzzy theory, differentiating the existing quantitative analysis model. The FREES can be applied to all the project phases from planning to operation & maintenance stage.
A Study on the Application of Cost Risk Exposure methods by the Probabilistic Evaluation on the Construction Projects
Cho Jea-Ho ; Chun Jae-Youl ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 63~71
The paper considers two non-deterministic methods of analysing the risk exposure in a cost estimate The fist method(referred to as the 'conventional statistical' method) analyses cost data directly, to describe a probability distribution for total cost. The second method(referred to as the 'Monte Carlo simulation' method) interprets cost data directly, to generate a probability distribution for total costs from the descriptions of elemental cost distribution. The common practice of allowing for risk through an all-embracing contingency sum or percentage addition is challenged. Rather than excluding conventional, non-deterministic methods, they are here presented as possibly the only of effective foundation on which to risk management in cost estimating.
Evaluation Model for Design Quality using Change Order Analysis
Lee Seung-Heon ; Lee Hyun-Soo ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 72~79
Design quality in constructed project is a primary consideration to achieve overall project objectives. It is not easy to evaluate the design quality because various factors are involved in the design process. This paper presents a new approach to improve the evaluation process of design quality In the construction project The evaluation model is developed to satisfy the requirement for implementing the ISO 9000 Quality Assurance Standards in the design process. It is assumed that design changes are resulted from the poor management of design quality. The model relates design changes to design quality management items. It assigns weight ratio to each design quality item to evaluate quantitatively Design Quality Index (DQI) is calculated to assess design quality based on the Objectives Matrix. A case study is performed to illustrate the practical implementation of the design quality evaluation.
The Life Cycle Cost Optimization Methodology as a Tool for Designing Apartment Units
Park Tae Keun ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 80~86
The future costs of energy and the cost of the repair of apartment buildings are expected to rise continuously in proportion to the initial costs. Therefore it has become important for these increasing costs to be incorporated and reflected in the design of the building. Systems such as structure and services for the buildings remain constant, but a number of the walls and windows can vary and thus have a major influence on the total construction and running costs of a building. The critical factor in the apartment unit design for the optimization of life cycle cost (LCC) is the ratio of the x and y axis of the walls in the unit plan. This paper demonstrates how to achieve the optimal size and thus optimize the LCC of the building.
Technical Advances in Robotic Pavement Crack Sealing Machines and Lessons Learned from the Field
Kim Young-Suk ; Carl T. Haas ; Sung Baek-Jun ; Oh Se-Wook ;
Korean Journal of Construction Engineering and Management, volume 1, issue 1, 2000, Pages 87~94
Crack sealing, a routine and necessary part of pavement maintenance, is a dangerous, costly, and labor-intensive operation. Within the North America, about
million is spent annually on crack sealing, with the Texas Department of Transportation (TxDOT) spending about
million annually (labor alone accounts for over 50 percent of these costs). Prompted by concerns of safety and cost, the University of Texas at Austin, in cooperation with TxDOT and the Federal Highway Administration (FHWA) has developed a unique computer-guided Automated Road Maintenance Machine (ARMM) for pavement crack sealing. In 1999, successful field tests have been undertaken in 8 States around the U.S. This paper first describes significance of the automated crack sealing and technical advances in automated crack sealers including the ARMM, developed in the U.S. It then discusses the ARMM's field implementation and performance evaluation results, and improvements and modifications suggested through the technology evaluation during the field trials. Current research efforts and future work plans in its further development are also presented in this paper.