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연직배수공이 설치된 연약지반의 수평배수이론에 대한 비교연구 Ⅱ
조기영,정성교 동아대학교 건설기술연구소 1999 硏究報告 Vol.22 No.2
Different analytical solutions of consolidation for the soft clay ground incorporating vertical drains were already suggested. In this paper, to investigate the differences between the solutions, the basic effects and conditions for solving their governing equations were reviewed. And the degrees of consolidation obtained by different consolidation solutions were compared each other for various conditions of changing their influence factors. The conclusion is as follows. It is shown that the consolidation analyses by Scott(1963) and Youshikuni- Nakanodo (1974)'s theory are overestimated or underestimated compared to others and that the degree of consolidation by Barron(1948)'s theory under particular conditions are different from those of others. The results by Onoue(1988) and Hansbo(1981)'s theories are very similar.
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조기영,유갑용 동아대학교 건설기술연구소 1997 硏究報告 Vol.21 No.2
The conventional three-dimensional consolidation theory is accumulated to observe the behaviour of consolidation on soft clay with a vertical drain installed and it is aimed to find the most suitable 3-D theory by carrying out the axisymetric analysis in F.E.M for which CRISP 93 has been used. The results showed as follows : The axisymetric analysis and Onoue's(1988) theory which is a rigorous solution and an approximate equation show the best suitability.
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조기영,권효식,김두영 충북대학교 과학교육연구소 2001 과학교육연구논총 Vol.17 No.1
After removing the dry cells from the table clock, if we connect two electric terminals which are stuck into the lemon, the clock will not operate. But it will operate when we connect two electric terminals which are put into the orange juice beaker. To analyze this reason, this study was held against 160 third-year students of the high school for entering the university in Cheongju City. I divided them into two groups, each 80 students; experiment group and non-experiment group (general, traditional group). Also, according to their cognitive standards, I divided each group into two groups again, each 40 students; deepening group and supplementary group. In the experiment group, by using the quantitative numerical values, not the abstractive concepts, I analyzed the classroom activity effects after experimenting to find the answers of the electric current, voltage, resistance and electromotive force. And in the non-experiment group, I analyzed the classroom activity effects about how the concepts had been changed and how long this would be effective, through the classical explanatory teaching method. After examining the students about their prenotions before classroom activity with 6 questions which were made about the chemical cell concepts and quantitative relations, I analyzed the degree of the notion development just after the classroom activity and, three months later, analyzed the notion development and the continuity of the classroom activity again. And I've got the results of the gradual classroom activity of my own teaching method like the followings. 1. In this study, after the classroom activities, in the possibility of the correct answers, the scientific notion development of the experiment group was higher than that of the non-experiment group, and, also, in the experiment group itself, the scientific notion development of the supplementary group was higher than that of the deepening group, as they completed their research procedure steps. 2. The classroom activity effects of the experiment group have increased much higher than that of the non-experiment group because of the students' voluntary learning attitude and participation, for the classroom activity through the experiments granted more active learning motives than the explanation-oriented classroom activity did. 3. Among the experiment group which used quantitative values, the classroom activity effects of the deepening group students were higher and more continuous than those of the supplementary group students. This proves that the learning of the idea which has been experienced by themselves is more continuous for the students with higher cognitive standards than the structuring of the idea by the concepts which are learned by the classical explanatory method. 4. If we look over the contents which each group has described, we can see that the experiment group has described the various and extensive idea, while the non-experiment group has described the concepts, without any change, which they learned in the classroom activity.
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조기영 전북대학교 동북아법연구소 2020 동북아법연구 Vol.13 No.3
Cybercrime not only violates the property of many victims in addition to personal rights of information or privacy, but also damages the country's or corporate's information and communications network systems, which can cause irreparable damage. The new civilizations such as computers and telecommunications networks are raising the issue of responding to new types of crime. This article examines the current status and characteristics of cybercrimes in Korea, focusing on statistics for the past five years, and reviews the measures for the prevention and suppression of cybercrime that have been emphasized in Korea. The main countermeasures against cybercrime presented here are the legislation of the Act on cybercrime, including provisions for the prevention and punishment of cybercrime based on the premise of a cooperative relationship with criminal law, the efforts of individuals and businesses to prevent cybercrime, and national support, and strengthening investigative capacity for cyber criminal through the development of digital forensic techniques of investigative agency, and the establishment of a cooperative system that transcends international and domestic boundaries. 사이버범죄는 개인정보나 사생활 침해 등 인격권 외에 다수의 피해자들의 재산권을 침해할 뿐만 아니라 국가나 기업의 정보통신망 시스템을 공격함으로써 회복하기 어려운 손해를 가져오기도 한다. 컴퓨터와 정보통신망이라는 새로운 문명은 새로운 유형의 범죄에 대한 대응 문제를 던져주고 있다. 이 글은 최근 5년간의 통계를 중심으로 한국에서의 사이버범죄의 현황과 특성을 살펴보고, 그 동안 한국에서 강조되어 왔던 사이버범죄 대책 등을 검토하고 있다. 여기서 제시된 사이버범죄에 대한 주요 대응 방안은 형법과의 분업적 관계를 전제로 하는 사이버범죄의 예방과 처벌 규정을 포함하는 사이버범죄기본법의 제정, 사이버범죄 예방을 위한 개인과 사업자의 노력 및 이에 대한 국가의 지원, 디지털 포렌식의 역량 강화와 국제적·국내적 경계를 초월한 대응 공조체제 수립 등을 통한 사이버범죄 수사 역량 강화 등이다.
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