• Korean Journal of Construction Engineering and Management
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• v.14 no.2
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• pp.35-44
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• 2013

Multi-trade Contract Method was introduced as a means of cutting down construction cost of public housing for low income people. Before a specific project delivery method is applied to large public construction project, it is necessary to discuss all the issues raised up from all the parties in construction industry and all the issues which can impact project performance. Thus the interviews were conducted with industrial professionals from diverse organizations and previous studies were investigated to figure out how this newly introduced project delivery method may impact owner's role and responsibility and project performance in terms of cost, schedule, quality and risk. Under the Multi-trade Contract Method, project owner's management tasks will be highly increased, so it should be checked out if the owner can do its role and responsibility. Public owner's organization also needs to be changed and proper project management procedure and system need to be established. In addition, for efficient application of Multi-trade Contract Method, public owner should consider diverse management approach to deliver the project, and how to select and maintain qualified specialty trades.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2007.11a
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• pp.181-181
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• 2007

PTCR 세라믹스를 적층형 부품으로 제조할 경우 소형화, 저 저항화 및 과전류 유입 시 빠른 응답특성을 갖는다는 장점을 가지고 있으며, 이러한 적층형 부품제조시에는 내부전극재가 부품소자의 물성에 중요한 영향을 미친다. 특히 우수한 옴성 접촉(Ohmic Contact)을 갖는 Zn, Fe, Sn, Ni 등의 적층 PTC용 전극재는 높은 산화특성으로 인해 재산화 과정에서의 비옴성 접촉(Non-ohmic contact)을 갖게 되어 PTC 특성을 저하시킬 우려가 있다. 따라서 본 연구에서는 적층형 PTCR 세라믹스의 내부전극재와 반도체 세라믹층의 동시소성거동 및 적층 PTCR 세라믹스의 전기적 특성을 평가하였다. 본 연구에 적용된 내부전극재로는 Ni 전극을 사용하였고, Ni 전극용 paste로는 무공제 paste, 반도체 세라믹공제 paste, $BaTiO_3$ 공제 paste의 3종 전극재가 이용되었다. 적층형 PTCR 세라믹스의 제조공정은 테이프 캐스팅(Tape casting), 내부전극인쇄, 적층 및 동시소성을 포함하는 적층화공정을 적용하였다. 각각의 전극 paste를 적용하여 제조된 chip은 미세구조관찰, I-V특성, R-T특성 등을 평가하여 내부전극내 세라믹공제의 영향을 고찰하였다.

• KDI Journal of Economic Policy
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• v.13 no.4
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• pp.59-90
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• 1991

The purpose of this paper is to determine whether the rate schedule of the Korean income tax system embodies the theoretically desirable distribution of the tax burden by income classes. The paper follows the approach of Young (1990) who has estimated the utility function and calculated the magnitude of sacrifice, i.e., the tax burden. The main point of the study is to estimate the utility function. The estimation results may differ if different data sets are used. Therefore, this paper employs the effective as well as the nominal tax rate schedule. The findings derived in this paper are 1) that the effective rate schedule is more appropriate in estimating the utility function; 2) that the middle class has born the relatively heavier burden over time; 3) that the current income tax credit scheme curtails the tax burden on the middle class while intensifying the tax burden of the lower and upper income classes; 4) that reducing the amount of deduction moves the distribution of tax burdens by income classes closer to the theoretically desirable model; 5) that the rate schedule of the Korean income tax system, particularly in 1991, did not conform to the desired model as did the tax systems of developed countries such as the United States, Italy, Japan, and Germany.

• Korean Journal of Construction Engineering and Management
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• v.22 no.1
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• pp.63-71
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• 2021

The construction guarantee market is a rear market affected by changes in the construction industry and market. As the restructuring of the construction industry's production system is being carried out, such as the abolition of regulations on business field between general and specialty contractors, major changes are expected not only in the construction market but also in the construction guarantee market. In construction guarantee market, there are currently three Contractor Financial Cooperatives, which are divided based on business field and business type(General, Specialty and Plant & Mechanical). The abolition of business field regulation will have various effects on construction guarantee market, such as forming a competitive structure among the three Contractor Financial Cooperatives. Therefore the role of the construction guarantee institutions are also required to change. This study predicted the changes in the construction guarantee market after the restructuring of construction industry and analyzed the ripple effect on the market. This study reviewed the details of the reorganization plan on the construction industry, policies and statistical data related to construction guarantee, and lastly conducted the survey on each member of the three Contractor Financial Cooperatives to analyze the usage behavior in the future guarantee market. Based on the result of this study, the members of both the General Contractor Financial Cooperative and Specialty Contractor Financial Cooperative are not willing to change the existing institutions, but a lot of them are expected to use other institutions in duplicate. The members of the Plant & Mechanical Contractor Financial Cooperative are most willing to use other guarantee institutions.

• 주택과사람들
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• s.224
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• pp.86-87
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• 2008

해마다 연말이 되면 13번째 월급이라 불리는 연말 정산이 기다리고 있다. 연말 정산 관련 규정은 매년 약간의 개정 사항이 생긴다. 이에 따라 개정 사항을 일목요연하게 정리해 본인에게 해당 사항이 있는지 살펴봐야 혜택을 놓치지 않고 챙길 수 있다. 이번 호에서는 올해부터 바뀌는 연말 정산 관련 사항에 대해 알아보자.

• 대한치주과학회:학술대회논문집
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• 2004.11a
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• pp.119-120
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• 2004

• Proceedings of the Korean Society of Dyers and Finishers Conference
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• 2003.04a
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• pp.66-71
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• 2003

오늘날 인간 생활에서 섬유제품은 인체와 가장 많이 접하고 있어서 인체의 분비물과 함께 미생물이 서식하여 인체 건강을 해치거나 악취를 발생시킨다. 이러한 현상은 섬유제품을 변색, 오염, 손상시키므로 항균, 소취성있는 섬유제품이 요구된다. 또한 섬유제품에 처리된 항균, 소취가공제는 안전성이 요구되며, 동시에 자연계에서 간단히 분해되고 유해물질을 생성하지 않아야 한다. (중략)

• 월간 기계설비
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• s.287
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• pp.50-53
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• 2014

올해 3월 대한설비건설공제조합 총회에서 김기석 신임 이사장이 선임됐다. 국토교통인력개발원장을 역임한 인사(人士)로, 취임과 동시에 업계의 많은 관심을 받고 있는 김 신임 이사장은 조합원사의 발전과 조합의 도약을 위해 일하겠다고 취임 일성을 밝혔다. 이를 위해 김 이사장은 앞으로 조합원에 대한 금융지원 확대와 조합 재무건전성 강화라는 조합의 기본 역할에 충실하는 한편, 조합원사와 적극적으로 소통하고 상생하기 위한 활동을 더욱 강화해 나갈 계획이다. 본지는 김기석 이사장을 만나보았다.

• 월간 기계설비
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• s.224
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• pp.38-44
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• 2009

대한설비건설협회(회장 강석대)는 지난 2월 20일 설비건설회관 대회의실에서 제40회 총회(정기)를 개회하고 2009회계년도 사업계획을 수립했다. 2009회계년도 사업계획은 기계설비시공 관리기준법 제정에 대한 결집된 노력을 비롯하여 직할시 공제 CM에 의한 다중시공계약방식 등 분리발주 확대에 역점을 두고 있다.

• 대한치주과학회:학술대회논문집
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• 2002.11a
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• pp.110-110
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• 2002