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수혜 인원을 고려한 농업용 저수지의 최적 정비 모델 개발
김시운,김종옥,박승기,정남수,장우석,이세희,최원,Kim, Si-Woon,Kim, Jong-Ok,Park, Seong-Ki,Jung, Nam-Su,Jang, Woo-Seok,Lee, Sae-Hee,Choi, Won 한국농공학회 2008 한국농공학회논문집 Vol.50 No.6
The purpose of this study was to develop an optimum equipment model considering various objective functions and variables of agricultural reservoir. Traditional optimum function for feasibility assessment is based on economic benefit, but we tried new approach of feasibility assessment based on the number of beneficiary. The data of Yuraimi reservoir and Yongbong reservoir in Yesan-gun such as numbers of related people, construction costs, safe diagnosis have been gathered for applying developed model. Data are used for determining optimum strategy with restricted cost. For verifying results of optimum maintenance, real maintenance data of Yuraimi reservoir were compared with simulated strategy. Results show that simulated maintenance strategies are 3 times more effective than real maintenance data.
김시운 ( Kim Si-woon ) 인하대학교 교육연구소 2001 교육문화연구 Vol.7 No.-
The purpose of this study is to serve with some implications the development of the relations between teacher unions and educational authorities by finding out some factors which are thought to affect teachers' commitment to the Korean Teacher Union, by analyzing relative influence of the factors, and then by determining why teachers join the Union and why they join its activities. The results of the study are as follows: First, it was found that teachers' commitment to union shows great difference according to their genders, teaching career, school grades, types of school foundation, positions in union, and joining time. That is, male teachers have higher commitment than female; high school teachers have the highest commitment, while elementary teachers have the lowest; private school teachers have higher commitment that public school teachers; members who joined before the legalization of their union have higher commitment than those who joined after. Teachers' career didn't any significant difference. Therefore, it is thought that teachers' background variables should be considered in the labor-management decision-making processes. Second, it was indicated that the factor which exerts the highest influence on teachers' commitment to their union is the attitudes of the Ministry and Offices of Education and the next is their labor union satisfaction. So it is thought that it is critical for the educational authorities to have more democratic and flexible attitudes for the betterment of their relations with teachers' union. On the other hand, senior officials of union are supposed to make more sincere efforts to hear their members opinions and expectation in order to boost their organizational commitment. Colleagues' attitudes towards their union appeared as one major factor, which may be thought that teachers' social experiences with their colleagues may influence their commitment to union activities.
강경석 ( Kang Kyung-seok ),김시운 ( Kim Si-woon ) 인하대학교 교육연구소 2000 교육문화연구 Vol.6 No.-
The purpose of this study is to analyze the laws and regulations concerning collective bargaining of Korean teachers' organization. Especially, Law of Teachers' Union and Law of Teachers' Status were explored. By analyzing these laws and regulations, hot issues and implications about collective bargaining were examined. The results of the study are as follows: First, Law of Teachers' Status legislated for collective bargaining of the Korean Federation of Teachers' Associations(KFTA) has some problems in legislation process, member qualification, and collective bargaining procedures. Second, Law of Teachers' Union legislated for collective bargaining of the Korean Teachers' Union(KTU) has considerable efficacy for teachers' collective bargaining. But the law also has some problems in the role of teachers' union and the range of collective bargaining. Third, KFTA should make efforts to legislate new law or revise current Law of Teachers' Status for improving the efficacy of collective bargaining. Fourth, KTU should take step-by-step strategy in the collective bargaining procedures. Finally, it is necessary to train collective bargaining specialists in the Ministry of Education, Local Educational Authorities, and Teachers' Organizations.
농업용저수지 정비 및 수변개발에 관한 관리자 요구 조사 분석
이세희 ( Lee Se-hee ),정남수 ( Jung Nam-su ),김시운 ( Kim Si-woon ),김종옥 ( Kim Jong-ok ) 한국농공학회 2008 한국농공학회 학술대회초록집 Vol.2008 No.-
This study analyzed manager's demand for equipments and waterside development directions of Agricultural reservoir. We investigated agricultural reservoir managers working in Korea rural community & agriculture corporation. Analysis results show that responses of ‘very affirmative’ and ‘affirmative’ about tourist facilities, parks, and roads in agricultural reservoir are 60.2% wheres response of ‘lack of facilities for multi-functionality of agricultural reservoir’ is 67.1%. Main reasons about lack of facilities are funds, environmental pollution but interruption of agricultural water supply (6.7%) is relatively small problems. This means that they have a intention for water-side development with conditions of prevention of technology of environment pollution and enough funds. Multi-functionality of agricultural reservoir and ordered by water supply, flood control, environmental conservation, and tourist resources. Water-side development is occurred by external demands like willings of local government (48.1%) and tourism (25%).
김시운,정길수,박병수,유남재 江原大學校 産業技術硏究所 2005 産業技術硏究 Vol.25 No.A
In this research, centrifuge model experiments and numerical approach of finite element method to analyze experimental results were performed to investigate the behavior of improved ground with sand compaction piles. One of typical clay minerals, kaolinite powder, were prepared for soft ground in model tests. Jumunjin standard sand was used to sand compaction pile installed in the soft soil. In order to investigate the characteristics of mechanical behavior of sand compaction piles with low replacement ratios, centrifuge model experiments with the replacement ratio of 40%, changing the width of improved area with respect to testing results the width of surcharge loads, were carried out to obtain of bearing capacity, characteristics of load-settlement, vertical stresses acting on the sand pile and the soft soil failure mechanism in improved ground.