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이수철 경원전문대학 1997 論文集 Vol.19 No.1
콘크리트의 W/C가 40%, 50%인 콘크리트에 혼화재로써 석분(갱쇼)을 혼입하여 얻을 수 있는 강도의 효과를 고찰하기 위하여 실험을 통한 연구를 수행하였다. S/A는41%. W=175kg로 하고 동일한 W/C에 석분율 10%, 20%, 30% 혼입하여 각각의 배합에 대한 압축강도 시험결과를 비교 분석하였다. 시험결과는 동일한 W/C에 대해서 혼입량의 증가에 따라 강도가 증가하였으며 W/C에 대한 조기재령과σ28 사이의 관계로는 다음과 같은 결과를 얻을 수 있었다. An experimental study was carried out to investigate the strength effect of admixed-concrete(stone-dust concrete). The s/a=41%, W=175kg, and compressive strength test were performed and the results for the different mix-design(with stone-dust 10%, 20%, 30%)results compared with each other. The result shows that the strength is increased as a quantity of admixture is increased and the relationship of between strength and age are follows: (w/c=40%) σ_(28)=2.9564σ_(3)+82.065 σ_(28)=2.0309σ_(7)-45.423 σ_(28)= 1.5105σ_(14)-59.428 (w/c=50%) σ_(28)=1.94444σ_(3)+144 σ_(28)=0.9478σ_(7)+102.42 σ_(28)=3.25σ(14)-396.42
현대공예의 복합재료 ( Mix - media ) 수용 양상에 관한 연구
이수철 한국디자인문화학회 2001 한국디자인문화학회지 Vol.7 No.1
The mixed-media craft art is an area of craft art in which a variety of materials are combined for artistic expression. This area is an aspect of expression derived from non-functional arts which was popular in the 1960s. The techniques of mixed-media craft art comprise collage and assemblage used in the fine art of the early 20th century. In the area of craft art a technique of mixing a variety of textures is called a mixed-media technique. The use of mixed-media can be regarded as a standard by which the subjective artistic expression of artists can be measured. Yet mixed-media technique expresses aesthetic principles of the formative art as a means of message expression as well se the idea of social movement for the recycling of waste articles unintentionally consumed and thrown away. Modern mixed-media craft art minimizes the waste of natural materials with the help of the development of modern scientific technology and opens the possibility for artistic expression by incorporating new artistic materials. In craft art a new perspective on the importance of the environment enables artists to recognize the interconnectedness between patterns of expression and its contents. The articles is designed to explain the developmental process of the reception of mixed-media materials in the modern craft art and its meaning in the social structure. It also explores how the mixed-media craft art can contribute to elaborating the concept of modern craft art in the artistic environment in which fine art and traditional craft art coexist with it.
이수철,박영철 龍仁大學校 1997 용인대학교 논문집 Vol.14 No.-
Here is a summary for research works on the status of KOSDAQ market operation : First, KOSDAQ market is an over-the-counter market being composed of items listed to KOSDAQ and it is a market which has a meaning contrasted to stock market where only securities listed to the market are transacted and it is defined as a market where stocks being listed as items for over-the-counter market in Korea Securities Business Assocation are sold and purchased. Second, in March 1996 measures for developing over-the-counter market was announced. The 5th Measures for Improvement was announced which contained changing the title of the market from over-the-counter market to KOSDAQ and expanded operation of items listed to KOSDAQ by revitalizing sales and purchase transaction of the former. Third, it was revealed that share being financed through capital increase with compensation was 27.7% for entire market and share being financed by issue of company bonds was 75.3% thus scale of fund being financed through fund of others was as much as 3 times of self financing capital. The reasons were due to long-term market and stock market depression with the increased fear of forfeitures required fund was financed through issue of company bonds rather than increase of capital with compensation. Fourth, industry types with high level of trading volume among stocks traded in KOSDAQ market were finance, construction, films, audio, communication equipment manufacture, transportation equipment manufacture, machinery and equipment manufacture. Fifth, by increase of 10.1% and 41.85 respectively in terms of trading volume of stocks and payment for stock trading over the previous year at over-the-counter market and KOSDAQ market thus revealed impressive growth of KOSDAQ market compared to stock market. Major factor contributing to such growth was opening of KOSDAQ market in July 1996 and plus strong inducement of distribution of stocks and introducing bidding system etc. leading to expanded volume of stock supply and along with opening of KOSDAQ market new products being developed with funds related to KOSDAQ market. In consequence supply and demand structure of KOSDAQ market being firmly established as supply-oriented structure through positive exploitation of investment demand along with heightened consciousness of organization investors and increased participation by new comers.