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고층건물 골조공사의 택트공정계획 최적화모델 개발에 관한 연구
최민권(Choe, Min-Kwon) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.9
Tact scheduling is accepted as an efficient method that can reduce idle times during construction. To achieve an optimized tact system, various conditions should be satisfied. Many existing studies addressed various aspects related to applying tact system on construction job-site, including 1) crew balancing by working site rotation in a condominium construction with multiple buildings, 2) the tact system involved in synchronizing a single type of crew on finishing work, and 3) the development of a scheduling model of structural framing construction by working space zoning in a high-rise building. However, no existing studies attempt to apply the tact scheduling method to the structural framing construction for the single building having multiple units. Therefore, this study develops the optimization model and presents its application, which can schedule the tact system for a high-rise building. It is concluded that the proposed method can efficiently optimize the tact scheduling in case of multi-crew to milti-process model.
강섬유보강 철근콘크리트 보의 휨성능에 관한 실험적 연구
하기주 ( Ha Gee-joo ),신종학 ( Shin Jong-hack ),최민권 ( Choe Min-kwon ),주정준 ( Ju Jung-jun ) 한국구조물진단유지관리공학회 1999 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.3 No.1
In this experimental program specimens, designed by the test varibles, such as percent of steel fiber incorporated, were constructed and tested to evaluate the flexural performance of reinforced steel fiber concrete beam. Based on the test results reported in this study, the following conclusions are made. Comparing with the load-displacement relationship of specimen BSS, specimen over 0.5% of steel fiber incorporated, could be improved significantly flexural performance, such as capacity, ductility, and crack pattern. Increasing the percent of steel fiber incorporated(0.5%~2.0%), the flexural strength of each specimen was showed the enhancement of 13%~40% in comparision with the standard specimen BSS.
하기주 ( Ha Gee Joo ),신종학 ( Shin Jong Hack ),최민권 ( Choe Min Kwon ),조용태 ( Cho Yong Tae ),이상목 ( Lee Sang Mog ),이영범 ( Lee Yang Bum ) 한국구조물진단유지관리공학회 2000 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.4 No.2
1n this dissertation, experimental research was carried out to study the hysteretic behavior of reinforced concrete frame designed by high performance techniques, using carbon fiber plate, ALC panel, steel plate system with or without stiffener. Experimental programs were carried to evaluate the structural performance of such test specimens, such as the hysteretic behavior, the maximum horizontal strength, crack propagation, and ductility etc. Specimens(RFCP, RFAR, RFSR, RFSR-S), designed by the improvement of earthquake-resistant performance, were attained more load-carrying capacity and stable hysteretic behavior.
손재진(Son Jae-Jin),이두진(Lee Doo-Jin),최민권(Choe Min-Kwon) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.12
Recently, As large scale construction works are widely prevalent a more scientific approach to construction management is required. Also, each construction company is searching for a new computer information management system as part of computerization of construction management. Especially in the field of process control management, which constitutes the core of construction management business, a software system that is already available in the market is used, while new software systems are being developed. but, the effective ness of process control softwares as they are used today is yet to be verified.<br/> Therefore, the purposes of this study are to identify the problems of process control through investigating the operational realities of process control software in the construction field, and to search for ways of its active and effective use.
초고층 철근콘크리트 건물에 적용 가능한 보-기둥 접합부의 내진성능 개선 기술 개발
하기주 ( Ha Gee Joo ),신종학 ( Shin Jong Hack ),최민권 ( Choe Min Kwon ),이영범 ( Lee Young Bum ),조효식 ( Cho Hyo Sik ) 한국구조물진단유지관리공학회 2001 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.5 No.2
In this paper, experimental research was carried out to study the hysteretic behavior of reinforced high-strength concrete beam-column joints designed by high performance techniques, such as application of high-strength concrete, reducing of joint regions damage, moving of beam plastic hinge, and steel fiber concrete. Specimens(HJAI, HJCI), designed by moving of beam plastic hinge and development of structural performance were sufficiently moved away 20cm, 30cm from the column face respectively due to adding supplemental intermediate longitudinal reinforcement over a specific length 1.5d and application of closed Solving the congestion of reinforcement and throughly placing of concrete in reinforced beam-column joint, specimens(HJRS1, HJRS2), replaced shear reinforcement into steel fiber concrete were showed stable hysteresis behavior, sufficient maximum load carrying capacity, and satisfactory crack pattern.
반복주기하중을 받는 철근콘크리트 프레임 면내 조적벽체의 구조성능 평가
신종학 ( Snin Jong-hack ),하기주 ( Ha Gee-joo ),최민권 ( Choe Min-kwon ),전하석 ( Jun Ha-suk ) 한국구조물진단유지관리공학회 1999 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.3 No.1
Four reinforced concrete rigid frame and masonry infilled wall were constructed and tesed during vertical and cycle loads simultaneously. Experimental programs were carried to evaluate the structural performance of such test specimens, such as the hysteretic behavior, the maximum horizontal strength, crack propagation, and ductility etc. Test variable are hoop reinforcement ratio and masonry infilled wall with on without, all the specimens were modeling in one-third scale size
강창우(Kang, Chang-U),박근호(Park, Keun-Ho),최민권(Choe, Min-Kwon) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.11
Lifting planning for Roof system of Large span spatial structure is important because it is critical path. Purpose of this study is to investigate the influential factors of lifting planning of Roof system by analyzing the actual condition of lifting planning and to systematize the method of lifting planning. Range of this study is 14 internal Large span spatial structure which be truss system and rigid system. And method of this study is to analyze the date concerning the lifting planning. The result of this study is to classify the 5 types of the influential factors of lifting planning of Roof system and the 5 categories for the connection of support structure and lifting of main truss. This study classify the characteristic of each lifting method of construction on condition according to the classification of influential factors and the result of a correlation analysis.