화강암 석재 개발과 활용에 관한 연구 : 거창 모동석 사례 연구 A study on dimension stone of granitic rocks and its application : a case study on the Modong Granite, Geochang원문보기
This research focuses on the present state of the stone industry in Korea, suggesting an efficient way to develop economically the industry and to secure the potential stone resources through the case study on the Modong stone company. The designation of the stone complex by the government have led ...
This research focuses on the present state of the stone industry in Korea, suggesting an efficient way to develop economically the industry and to secure the potential stone resources through the case study on the Modong stone company. The designation of the stone complex by the government have led to the increase both of the stone production and of the stone sales. In addition introduction of the modern and environmentally friendly quarrying equipments to the Modong quarry have caused the decrease of the manufacturing costs with result that the earning rate has been increased. The Modong granite is white-gray colored, coarse grained granodiorite. It is composed of quartz, plagioclase, alkali feldspar, biotite, muscovite, zircon, apatite, and opaque minerals. Fresh rocks in the quarry has no or very little weathered minerals such as chlorite. Iron sulfide minerals, which cause weathered stains in the rock are not included in the Modong granite. From the analytical tests of the physical properties for the Modong granite, it is revealed that the overall proterties such as water absorption, specific gravity, elastic velocity, shore hardness, compressional and tensional strengths satisfy the conditions of the KS and the ASTM standards. Thus it is recognized that the Modong granite could be a remarkable dimension stone for building and construction. The petrographic features of the Modong granite represent that the granite comprises in the I-class stone by Irfan and Dearman (1978). Also, the granite fulfills the quality standards by Park (1996). Abundant by-products such as rock particles, ashes and sludges are a serious problem in the stone industry. To solve the problem the reuse of the by-products was applied to the agricultural soils. Comparing to the conventional soils for rice, the stone by-products have similar characteristics and they were proved to be able to use in growing rice. For reinforcing the stone industry it is necessary to make an effective plan of mutual development between the quarrying and the manufacturing companies. in addition, it is recommended to develop various business models by creating the high-valued stone products, introducing new equipments, and recycling the stone by-products.
This research focuses on the present state of the stone industry in Korea, suggesting an efficient way to develop economically the industry and to secure the potential stone resources through the case study on the Modong stone company. The designation of the stone complex by the government have led to the increase both of the stone production and of the stone sales. In addition introduction of the modern and environmentally friendly quarrying equipments to the Modong quarry have caused the decrease of the manufacturing costs with result that the earning rate has been increased. The Modong granite is white-gray colored, coarse grained granodiorite. It is composed of quartz, plagioclase, alkali feldspar, biotite, muscovite, zircon, apatite, and opaque minerals. Fresh rocks in the quarry has no or very little weathered minerals such as chlorite. Iron sulfide minerals, which cause weathered stains in the rock are not included in the Modong granite. From the analytical tests of the physical properties for the Modong granite, it is revealed that the overall proterties such as water absorption, specific gravity, elastic velocity, shore hardness, compressional and tensional strengths satisfy the conditions of the KS and the ASTM standards. Thus it is recognized that the Modong granite could be a remarkable dimension stone for building and construction. The petrographic features of the Modong granite represent that the granite comprises in the I-class stone by Irfan and Dearman (1978). Also, the granite fulfills the quality standards by Park (1996). Abundant by-products such as rock particles, ashes and sludges are a serious problem in the stone industry. To solve the problem the reuse of the by-products was applied to the agricultural soils. Comparing to the conventional soils for rice, the stone by-products have similar characteristics and they were proved to be able to use in growing rice. For reinforcing the stone industry it is necessary to make an effective plan of mutual development between the quarrying and the manufacturing companies. in addition, it is recommended to develop various business models by creating the high-valued stone products, introducing new equipments, and recycling the stone by-products.
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