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Ensuring Safety Level with an Efficient Model in Construction Management System
Kal,Won Mo,Son,Ki Sang 한국산업안전학회 2001 한국안전학회지 Vol.16 No.5
The low efficiency in Korean construction safety management is attributed to hardware-orienting control for construction safety management system, up to now. In this paper, we developed a model for efficient construction safety system. It was found from the case study that the model result in high efficiency with low cost. The system to find out and estimate unsafe potential hazard will be said "Dual Safety System" derived from this study. This dual system can be contributed with the aspect of cost save as well as enhancement of subcontractor management in efficiency.
Investigation on the Health and Safety Hazards of Construction Workers
Kal, Won-Mo,Park, Jong-Tae,Son, Ki-Sang The Korean Society of Safety 2005 International Journal of Safety Vol.4 No.2
The construction workers might be at the risk of many occupational injuries and illnesses. To protect workers from various hazards, industrial health and hygiene systems were specified for the construction workers by law. It is important to know the actual health and safety(H&S) conditions by tasks and the characteristics of injuries and illnesses of construction workers. This study was designed to investigate the actual conditions of construction workers exposed to various harmful substances and work elements including evaluation of health status of each worker and general H&S system. Questionnaire was sent to 600 construction workers nationwide and totally 367 people responded to it having 61.67% of response rate. The common construction hazards were dust(29.6%), noise(19.3%), repetitive motions(12.0%), handling excessive heavy materials(11.2%) in order. The repetitive motions and handling heavy materials related to muscle disorders accounted for 23.2%. The accident and injury types were in order of overexertion, falling, overturning, dropping or flying, electric shock, collision, etc.
An Integral Model for Product Liability and Safety using Hazard Analysis.
Kal, Won-Mo,Hahm, Hyo-Joon Society of Korea Industrial and System Engineering 1999 한국산업경영시스템학회지 Vol.22 No.53
This paper presents an integral model for product safety and product liability resulting from a defective product. The essence of the paper is the process of supply of manufacturing products which satisfy the product liability and the product safety in terms of consumers expectation levels. The main criteria of the product safety is the hazard level which involves in the severity and frequency. The proposed model shows the process to supply the manufactured products under the conditions that they are suitable in comparison of hazard level and safety level established by each company. If the product do not meet the safety level, this paper proposes that four different types of PL and PS countermeasures for the risk types are forward, respectively.
인공신경망을 이용한 강섬 유보강콘크리트 보의 전단강도 예측
갈경완 ( Kal Kyoung-wan ),이득행 ( Lee Deuck-hang ),김강수 ( Kim Kang Su ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.2
Steel fibers have recently been well recognized for good composite/strengthening materials, which also provide great improvement in shear strength. Consequently, many researchers proposed shear strength prediction models/equations. most of which, however, are based on regression analysis. This is because the shear mechanisms of steel fiber reinforced concrete(SFRC) members are very complicated. Neural network method is useful to predict the complicated shear strength of SFRC members, and is simpler and more accurate than regression analysis method. This paper, therefore, introduces the neural network approach and provides the prediction results of shear strength of 176 SFRC beams obtained from previous studies.
갈상돈(KAL Sangdon) 한국정치학회 2014 한국정치학회보 Vol.48 No.4
이 논문의 목적은 미국의 민주공화국이 어떤 정치적, 헌법적 문제의식과 정치사상에 기초해 건국했는지 밝히는데 있다. 특히 미국의 정치체제를 규정지은 연방헌법의 정치적 성격과 민주공화국으로서의 미국의 정체성과의 상관관계에 대한 분석을 매디슨의 ?양원제론?을 중심으로 논하고 있다. 매디슨은 정치갈등의 근본적 원인을 파벌갈등에 있다고 보고 이를 양원제를 통해 헌법 속에 제도화하고자 했다. 매디슨은 한편으로 공화정부에서 최대 위협은 다수가 소수의 권리를 충분히 존중하지 않는 데 있다 면서도 다른 한편으로 다수파 정부의 권력남용 보다 소수자 정부의 권력 남용이 훨씬 심각하다고 말한다. 매디슨의 민주공화국이 이루고자 하는 궁극 목표는 공화국을 위협하는 핵심요인으로서 파벌갈등에 대한 민주적 해결방식을 모색하고, 다수와 소수의 핵심적 갈등요인인 부의 과도한 불평등으로부터 초래되는 정치ㆍ사회적 갈등을 해소하는 것이었다. 매디슨은 갈등해결의 해법으로서 파벌간의 타협의 리더십을 제시하면서 상원을 통해 이를 제도화하고자 했다. 논문은 양원제가 자유를 최고의 가치로 하는 정치세계에서의 갈등의 불가피성을 인정하는 자유주의적 이념과 그 갈등의 통합과 조정을 추구하는 공화주의의 정신이 결합함으로써 성취해 낼 수 있는 최상의 정치제도임을 주장하고 있다. This article aims at finding out the political ideas of Madison"s democratic republic theory, on the basis of which political and constitutional problems she had been established. It discusses the analyses about the correlations between the political character of federal constitution, which stipulated the political system of United States, and the identity of America as democratic republic, especially centering around bicameralism. Madison comprehended faction as the fundamental cause of political conflicts and had the intention to institutionalize it inside of constitution through bicameralism. The ultimate goals Madison"s democratic republic intended to achieve were to search for democratic solutions to the factional conflicts and to solve the political and economic feuds which result from excessive inequality of riches, the core conflictual factor between majority and minority. As a solution to dispute, Madison presented the leadership of compromise between majority and minority and intended to institutionalize it through the senate. In conclusion, this paper insists that bicameralism should be the highest political system which the union of the liberal idea and the republican spirit can accomplish, and proposes that bicameralism should be designed elaboratively by considering Madison"s questions about factional problems.