• Title/Summary/Keyword: construction waste material

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A Fudamental Study on Use Possibility as Recycled Aggregate that Use Waste of Plastic Clay (점토소성 폐기물을 이용한 콘크리트용 순환골재로써 활용가능성에 관한 기초적 연구)

  • Cho, Myeong-Ken;Ryu, Hyun-Gi
    • Journal of the Korea Institute of Building Construction
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    • v.7 no.2 s.24
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    • pp.93-98
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    • 2007
  • Waste of Plastic that is waste tile and waste interlocking block result, waste tile and waste interlocking block that execute an experiment to foretell practical use possibility availability as recycled aggregate for concrete giving change in the principal parts rate for coarse aggregate recycled aggregate appeared in the world by available thing to coarse aggregate to rate 10% but necessity that present amount used establishing material application standard that is crushed than uniform application standard to receive entropy of re-fresh concrete quality is judged to be.

Mechanical Properties of the artificial Stone According to the Ternary System Inorganic Composite and Waste Glass and Fiber type (섬유의 종류에 따른 폐유리와 무기결합재 인조석재의 역학적 특성)

  • Yoo, Yong Jin;Kim, Heon Tae;Lee, Sang Soo;Song, Ha Young
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2013.05a
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    • pp.321-322
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    • 2013
  • Recently, the exhaustion of resource and environmental damage is serious due to the global warming because of the CO2 exhaust and each type the natural aggregate picking described below. meanwhile, The rest is the actual condition gone to the dumping ground that there is nearly no use which the waste glass can recycle and it is recycled. This research applied the waste glass as the cement substitute material the inorganic binder and coares aggregate substitute material. It utilizes the substitute material of the cement according to it and natural aggregate and tries to develop the environment-friendly artificial stone. The inorganic binder used the blast furnace slag, red mud, and fly ash. The straight type steel fiber, PVA fiber, PA fiber, and cellulosic fiber were used with a kind of fiber. As to the experimental item according to it, the compressive strength is the flexural strength and compressive strength.

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Development of the Tool for Evaluating Construction Waste Management Performance (건설현장의 폐기물 관리행위 평가 툴 개발 : 1단계 -폐기물 관리행위 요인 및 평가 툴 개념 구축)

  • Kim, Jee-Hye;Kim, Jae-Moon;Cha, Hee-Sung;Shin, Dong-Woo
    • Korean Journal of Construction Engineering and Management
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    • v.7 no.6
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    • pp.112-120
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    • 2006
  • Although waste management in construction industry has a significant impact on both economical and environmental issues, the current level of waste management performance in Korean construction is reported as relatively low. To improve any type of management performance, it is necessary to diagnose the current status of the performance level. In this context, this research is aimed to identify important factors in influencing the waste management performance and to develop an evaluation tool for the purpose of assessing the level of the performance for a particular construction site. In this paper, 59 influential factors have been identified and categorized into five classes, i.e., manpower, material, method, management, and policy, in terms of the characteristics of the factors. In addition, an evaluation tool has been developed in order to effectively quantify all the 59 factors based on a thorough industry survey. The output of the Tool, which is Waste Management Index, effectively assess the level of waste management performance for a particular project and provide with the most leveraged factors in need for improvement in waste management performance.

An Experimental Study on the Properties of Lightweight Foamed Concrete According to the Replacement Ratio and Particle Size of Waste Concrete Powder (폐콘크리트 미분말 대체율 변화와 입도 변화에 따른 경량기포콘크리트의 특성에 관한 실험적 연구)

  • Lee, Dae Geun;Han, Sang Il;Park, Hyo Jin;Kang, Cheol;Kang, Ki Woong;Kim, Jin Man
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2009.11a
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    • pp.121-125
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    • 2009
  • The recycling of waste concrete is increasing for the environment protection and the shortage of aggregate according to the large scale construction project in Korea. The more manufacturing high quality recycled aggregate is produced, the more waste concrete powder generated from the manufacture process of recycled aggregate, and the consideration about the recycling of waste concrete powder is need. Waste concrete powder was used for the partial replacement of silica powder, which is a main raw material for the manufacture of autoclave foamed concrete. According to the results of research, the slurry density, flow, compressive strength mainly depend on the replacement ratio of particle size and waste concrete powder. At the SEM analysis, the more high-waste concrete powder was the less there are generated tobermorite. But we conclude that it is possible to replace WCP as silica source in the manufacture of the lightweight foamed concrete.

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A Study on the Recycling of Detoxified Waste Asbestos (무해화 처리 폐석면의 재활용에 관한 기초연구)

  • Kim, Tae-Hyoung;Song, Tae-Hyeb;Shin, Hyen-Gyoo;Jang, Kyung-Pil
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.8 no.2
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    • pp.161-166
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    • 2020
  • In accordance with the amendment of the Industrial Safety and Health Act of 2007, Korea completely prohibited the import, distribution and manufacture of asbestos like Europe and Japan. Accordingly, the current problem of asbestos is the safe maintenance and disposal of asbestos construction material, the disposal of asbestos, and the final disposal of asbestos building materials. If the asbestos building material is made harmless, it may be classified as general waste or as recyclable waste. Therefore, this study evaluated the physical and chemical characterization of detoxified asbestos powder and the applicability of secondary products. In this study, it was found that applying the appropriate temperature and pressure for catalysis during asbestos desalination through low temperature chemical treatment was the most important factor.

Utilization of Waste Concrete Powder from the Viewpoint of LCA CO2 (LCA CO2 관점에서의 콘크리트 폐석분의 활용방안)

  • Song, Hun;Shin, Hyeon-Uk;Chu, Yong-Sik;Lee, Jong-Kyu;Park, Dong-Cheon
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.11a
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    • pp.209-210
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    • 2012
  • Cement is an essential material for social infrastructure. Cement production process for cement itself is energy-intensive and requires a large amount of natural resources for fuel and raw materials. This study is to development of recycled cement from waste concrete powder in manufacturing process of recycled aggregate concrete. Recycled cement is low carbon and green growth materials concept for eco friendly construction environment. From the test results, waste concrete powder is same chemical proportion regardless of manufacturing process of recycled aggregate concrete.

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Research on Materials Characteristics of high adhesive Self Adhesion Waterproofing Material using by the Eco-friendly Resource Recycling and Resource Waste (친환경 자원재활용 재료와 폐자원을 이용한 고점착 자착식 방수시트재의 재료적 특성에 관한 실험적 연구)

  • Heo, Neung-Hoe;Choi, Eun-Gyu;Kim, Su Ryon;Kim, Jin-Sung;Lee, Jong-Yong;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.05a
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    • pp.291-293
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    • 2012
  • Recently, environmental pollution and global warming and greenhouse gases are increasing, because Efforts to improve are continued throughout the world. As part of the resource recycling industry has become an important research area. In the field of waterproofing industry, focus on the resource recycling is growing, due to serious resource depletion and sharp price. Therefore, in this research on the resource recycling such as reclaimed rubber and rubber waste is enable and these eco-friendly materials are applied high adhesive flexible non-exposed type self adhesion compound waterproofing material was measured eco-friendly performance and field application was evaluated.

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Quality Property of the Artificial Stone Using the Waste Porcelain (폐자기를 사용한 인조석재의 품질평가)

  • Yoo, Yong-Jin;Lee, Sang-Soo;Song, Ha-Young
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.05a
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    • pp.171-172
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    • 2015
  • Recently, it is the global warming phenomenon because of the greenhouse gas exhaustion caused by and the environment problem is serious. And it is the situation where the problem of the exhaustion of resource because of the indiscriminate picking of the that is the raw material of the cement, limestone and natural aggregate are emphasized. In addition, thus the cement reduction amount of use and substitute material research is the urgent actual condition with the gas emission, which here it is generated in conducting compression molding in the building stone manufacturing process performance degradation phenomenon and fire resistance, and problem of the durability. Therefore, in this research, the waste porcelain is applied to the artificial stone and the durability property of the artificial stone according to it tries to be investigated.

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Abrasion Resistance Property of the Magnesia Phosphate Ceramics(MPC) Artificial Stone Using the Waste Porcelain (폐자기를 사용한 마그네시아 인산염 세라믹(MPC) 인조석재의 내마모특성)

  • Yoo, Yong-Jin;Lee, Sang-Soo;Song, Ha-Young
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.11a
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    • pp.51-52
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    • 2014
  • Recently, it is the global warming phenomenon because of the greenhouse gas exhaustion caused by and the environment problem is serious. And it is the situation where the problem of the exhaustion of resource because of the indiscriminate picking of the that is the raw material of the cement, limestone and natural aggregate are emphasized. In addition, thus the cement reduction amount of use and substitute material research is the urgent actual condition with the gas emission, which here it is generated in conducting compression molding in the building stone manufacturing process performance degradation phenomenon and fire resistance, and problem of the durability. Therefore, in this research, because of being the magnesia phosphate ceramics, the waste porcelain is applied and the anti-wearing character of the artificial stone according to it tries to be investigated.

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The experimental study on the basic test by mortar and the development of concrete material using Powdered Waste Glasses (폐유리 분말을 이용한 모르터 기초실험과 콘크리트 제품 개발을 위한 연구)

  • 서동훈;김광기;박선길;박병근;정병훈;정민영
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2001.11a
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    • pp.58-63
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    • 2001
  • Recently, it has been often reported that recycling of wasted glasses should be a great topic in related business circles. For the environmental reasons, a public institution are looking fur the ways of recycling these waste glasses. Consequently, the purpose of this research is to recycle crushed and powdered waste glasses by substituting for the cement in mortar and concrete. First of all, the optimum replacement ratio of Powdered Waste Glasses(PWG) can be obtained from the pilot test results. Secondary, we make advances in recycling of waste glasses as recycled to make secondary concrete products. So, we manufactured concrete brick and block contained powdered waste glasses by through mortar pilot test.

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