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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
上場法人의 買收ㆍ合倂(M&A)에 대한 諸般 問題點과 對處方案에 관한 硏究
이수철,박영철 龍仁大學校 1997 용인대학교 논문집 Vol.13 No.-
At this juncture foreign investors expected active buying up and merger and annexation(M&A) of domestic companies with scheduled abolition of Article 200 of the Securities Exchange Law which played a central role safeguarding the right of management for domestic companies for the past 20 years and gradually expanding scale of liberalized capital market as well as government policy for liberalizing securities market and foreign exchange. The purpose of this study is to check on various problems related to buying-up enterprises and merger and annexation(M&A) by foreign investors and countermeasures and recommendations for improvement on the part of domestic enterprises. Summary of various problems related to merger and annexation(M&A) of the listed companies is as follows : Korean enterprises are expected to be subjected to problems such as emerging possibility of nearsighted management by entrepreneurs, burins-up underrated stocks of an enterprise by a rival enterprise, increased tendency of individuality, avoidance of investment to unique capital of an enterprise, reduced opportunity for employment and problems related to anti-trust regulations etc. In this connection on the part of market being dominated by Korean enterprises innovations shall be demanded for in-house measures to cope with such challenges and rationalization of management to meet the requirement of playing roles for restructuring through merger and annexation(M&A). As alternatives first there is the choice for financial restructuring, second, the choice of business restructuring, third, revision of articles of association, plan for wages and salaries for officers and employees of the company and sale and purchase of stocks apart from what has been mentioned in the above or poison pill right plan, PAC MAN counter-tender offer, using regulation on merger of the company, engaging in the activities for IR activities and choice of securing stable stockholders and fourth, at the time of actual attempt for burins up enterprises in the possible activities shall be included improving open buying-up system to defeat such attempt, competition in power of attorney, improvement of related system, promoting organization investors to become stable stockholders and improvement of in-house control mechanism etc.
結合豫測模型을 利用한 失敗企業 三都物産(株)에 대한 企業失敗豫測力의 實證的 檢證 事例硏究
이수철,박영철 용인대학교 산업경영연구소 1996 산업경영논총 Vol.1 No.-
The summary of result of empiricial study formulating model for forecasting failures of enterprises is as follws; A case of analysis on ability to forecast failures of enterprises with combined forecasting model The result of analyzing information on stock market and information on business accounting showed that Group 1 was forecasted as sound enterprise while Group 2 and 3 as failures. In consequence compared to forecasting utilizing information on business accounting the forecasting utilizing informtion on stock makret proved to be more superior. Provided that, failures forecasted by means of utilizing information on business accounting were forecasted as sound in Group 1 and Group 2 whereas in Group 3 as forecasted as failure it was proved empirically that the time for failure actually arrived as forecasted. To conclude, compared to the when information on business accounting and information on stock market is solely used for forecasting combined forecasting model is superior. As established by result of conventional study on model for forecasting failure of enterprises combined forecasting model showed highest rate in accurately forecasting failures of enterprises. Furthermore the result of application of this model to Samdo Mulsan Co., Ltd. a subject of this study this firm applied for placement under the charge of legally appointed management company on February 28, 1995 thus classified as under 'Regulation on listing of Securities' thus classified as failed enter
韓國 證券市場에서의 株價指數와 金利 및 換率間의 相關關係에 관한 硏究
이수철,박영철 용인대학교 산업경영연구소 1999 산업경영논총 Vol.5 No.-
The analytical result of this study is as can be analyzed from the result of a rarity analysis where in forecasting a stock index, a significant level of the interest rate(X1, X2) affecting on the stock index(Y) shows a positive(+) correlation, but an effect of the foreign exchange rate(X3) on the stock index(Y) does ret appear as a significant level that the foreign exchange rate has little influence. Specifically, a significant level of the call money rate(X2) among various interest rates appeared bigger than that of the yield rate of a 3 years' maturity corporate bond. Accordingly, among macro economic parameters, an effect of the call money rate between financial institutes on the stock index rate appeared relatively bigger (X2>X1) than that of a 3 years' maturity corporate bond yield rate or of the foreign exchange rate.