• Proceedings of the Mineralogical Society of Korea Conference
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• 2003.05a
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• pp.81-83
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• 2003

• Explosives and Blasting
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• v.22 no.1
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• pp.81-91
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• 2004

Samples examined in this paper were selected from Samwoo building stone, Sinra building stone, Gana building stone, and Chung gin building stone in Kyunggi province and Whakwang industry, Gomoch building stone, and Sejin building stone in Kyungbuk province. The point of this study is to examine the physical and mechanical features of Pochun rock, Munkyung rock and Ildong rock through specific gravity, porosity, absorption, point load test, triaxial compressive test Brazilian test, petrology test and chemical analysis test.

• Resources Recycling
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• v.4 no.1
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• pp.4-11
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• 1995

The amounts of waste stone and stone powder sludge that occurred in the quarry and processing plant of s stone plates, have been increased with the development of stone industry. The manufactunng process of 따tificial s stone was studied to reduce the outlet of these wastes and utilIze them as raw materials for architecture, interior decoration and art work. In order to compare the properties of artiflcial stone with those of natural building-stone, the physi$\alpha$II properties of artificial stone such as specific gravity, absorption ratio, elastic wave velocity, compressive s strength, tensile strength, shore hardness, elasticity and Poission's ratio were measured. From the mesaured d data of physical properties, it was found that physical propertIes of artificial stone were controlled by homogeneous m mixing ratio of constituents, molding pressure, and amount of binder. Also, from the thermo-gravimetric analysis, it was found that artIfIcial stone manufactured had a good thermal stability up to $300^{\circ}C$. It was concluded that t the optimum conditions for manufacturing process of artificial stone were $200kg/\textrm{cm}^2$ of molding pressure, 12-15 w weight % of binder amounts.

• Journal of the Korean Recycled Construction Resources Institute
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• v.7 no.1
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• pp.50-56
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• 2019

This study aims to make artificial stone by recycling blast furnace slag powder, red mud and recycled aggregate, which are known as industrial waste. Recycled aggregate is a typical construction waste, and various recycled products such as concrete block are being sold. In this study, we tried to make artificial stone mixed with waste such as recycled aggregate, and experimented with the use of artificial stone and further study. As the red mud replacement ratio increased, the absorption ratio, fluidity and air content of the matrix were measured to be decreased, and the strength and density were found to increase. The fluidity and absorption ratio decreased with increasing the replacement ratio of recycled aggregate, and the air quantity, rate of aggregate on the surface, density and intensity increased to a certain level. Therefore, this study intends to make artificial stone using recycled resources and conducted basic experiments for further study.

• Venture DIGEST
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• s.32
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• pp.6-7
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• 2003

벤처기업이 인력을 채용하고 관리하기 위해서는 체계적인 인사논리로서 ‘역량 기반의 인적 자원관리’가 필요하다. 인재를 통해 장기적인 대외경쟁력을 유지하기 위해서는 그들의 성장 잠재력을 정확히 진단하고 육성하기 위한 전략으로서 역량기반의 인적 자원관리를 실시할 필요가 있다.

• Magazine of RCR
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• v.19 no.1
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• pp.12-18
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• 2024

• Korean Business Review
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• v.11
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• pp.173-194
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• 1998

This study suggests the theoretical framework and strategy of new product development in the advanced mineral aggregate composite industry. The advanced mineral aggregate composite area needs to prepare the plan and guidelines on the new product development owing to the characteristic of the related technology. Alternative scenarios on the hierachy of new product idea is effective to the success of new product development strategy. Especially, the existing market, product, and the technological advantages affects the possibility of the success of new product development of the small firms. Also considering the interrelationship between the technological trends is important to the new product development of advanced mineral aggregate composite industry.

• Journal of the Korea Institute of Building Construction
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• v.14 no.3
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• pp.237-243
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• 2014

The environmental problem is serious due to global warming In a concrete industry, the effort to reduce the problem of the destruction of environment arising from the indiscriminate use of limestone that is the raw material of cement and aggregate and the exhaustion of resources are continually emphasized In this research, the waste porcelain and waste glass that are the natural aggregate substitute materials were mixed and were applied. In addition, the magnesia phosphate composite and fly ash are mixed with a cement substitute material and the properties of the artificial stone was examined. Density, water absorption, rate of aggregate on the surface, compressive strength, and flexural strength were performed. As a result of the test, it is that waste glass with 60% and waste porcelain with 70% are the most excellent mix to produce the artificial stone.

• Proceedings of the KSEEG Conference
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• 2005.04a
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• pp.179-183
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• 2005

• Proceedings of the KSEEG Conference
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• 2007.04a
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• pp.634-636
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• 2007