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지성민 ( Seong Min Ji ),조재경 ( Jae Kyung Cho ),현창택 ( Chang Taek Hyun ) 한국건축시공학회 2009 한국건축시공학회 학술발표대회 논문집 Vol.9 No.2
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.
임진호(Yim Jin-Ho),현창택(Hyun Chang-Taek),홍태훈(Hong Tae-Hoon),이윤경(Lee Yun-Kyoung),지성민(Ji Seong-Min) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
The research and development of curtain wall construction management are very insufficient due to economic difficulty and imbalance of manpower demand and supply of curtain wall construction enterprises. The theoretical consideration of construction productivity was carried out to suggest a necessity of construction prediction about working days in the domestic construction work, and the necessity of construction period calculation was suggested by understanding the actual condition of the curtain wall construction through characteristics of curtain wall and comparisonㆍanalysis of the present situation. After the working days' prediction method of the existing curtain wall construction was classified into regression analysis, factor analysis and hierarchical multiple regression analysis and considered to establish a prediction model to be suggested in the present study, a regression model process was established by selecting regression analysis as an analysis method using an objective quantified numerical value, and thus the working days' prediction model was built by setting an architectural area, working manpower, the number of total floors as an influence factor affecting major variables of working days' prediction of the curtain wall construction. It is expected that it will be helpful for a curtain wall construction builder to set up a proper construction period through the predicting regression mode in the construction planning stage.
지성민,서용칠,구교진,현창택 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
In terms of the Safety, a risk of accident in construction industry is the most dangerous thing in any other industries. So, there have been many studies to improve the safety performance of construction projects. But, the most of them were dealt with controls in the job site and the contractor. For these reasons, the purpose of this study(Construction Safety Management) is two-part. : One is showing the basic items composed of prequalification in Construction Safety Management, and the other is improving the selection method to meet the owner's needs including a Contractor's Safety Management Performance.