• Title/Summary/Keyword: Eco-friendly construction material

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The Mechanical properties of Mud Flat mortar mixed with Blast furnace slag (고로슬래그가 혼입된 갯벌 모르타르의 역학적 특성)

  • Kang, Yun Young;Kim, Hui Doo;Kang, Dae kyu;Yang, Seong Hwan
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.11a
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    • pp.32-33
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    • 2015
  • Depending on the industrialization, construction market has grown buildings are based on concrete will continue to increase. But the problems of environmental pollution come to the fore with the indiscriminate use of concrete and rapid development. In addition, carbon dioxide(CO2) in the process of producing cement being emitted a large amount of has been caused a serious problem of environmental pollution. This trend is being actively conducted research to reduce the use of cement. In this study, eco-friendly materials, such as flats, Blast-furnace slag by mix and cement review the mechanical characteristics of the mudflats eco-friendly cement mortar to reduce the usability of the review were seen as a green building material.

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A study on the economic feasibility and the LCCO2 of Main floor covering materials in day care centers (어린이집 주요 바닥마감재의 경제성 및 LCCO2 분석에 관한 연구)

  • Kim, Dong-Pil;Cho, Kyu-Man
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.12 no.1
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    • pp.25-34
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    • 2013
  • As the construction industry develops, environmental pollution gets increasingly serious, giving damage including the increase of incidence of respiratory diseases and skin diseases among children with weakened immune systems, rather than adults. In daycare centers, infants and children spending much of their time, have high frequency of contact with the interior floor finish material. However, the majority of the child care centers don not use eco-friendly flooring but ordinary monorium flooring, because the initial investment cost of the eco-friendly flooring is higher than ordinary monorium flooring. Therefore, in this study, life cycle costs including the initial investment cost of the eco-friendly flooring and ordinary monorium flooring were calculated, demonstrating that the eco-friendly flooring is more economical than ordinary monorium flooring in terms of life-cycle cost. In addition, the analysis of the environmental performance also showed the excellence of the eco-friendly floor finishes. It is expected that the use of the eco-friendly floor finishes will increase due to their excellence in the aspect of life cycle cost and eco-friendly performance, through this study.

Fine Dust Adsorption Properties of Cement Matrix Mixed with Expanded Graphite (팽창흑연을 혼입한 시멘트 경화체의 흡착 특성)

  • Lee, Jin-Won;Lee, Chang-Woo;Hwang, Woo-Jun;Lee, Sang-Soo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2022.11a
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    • pp.105-106
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    • 2022
  • Now, the world is increasingly anxious about fine dust due to abnormal temperatures caused by global warming and increased yellow dust caused by desertification, and the World Health Organization (WHO) pointed out that more than 99% of the world's population is exposed to fine dust. In this situation, the reduction rate of fine dust and carbon dioxide of the matrix was tested by using expanded graphite, an eco-friendly and porous material, to improve air quality. As a result of the test, since expanded graphite is a material that expands between layers compared to conventional graphite, the reduction rate of fine dust and carbon dioxide decreases as the replacement rate of expanded graphite increases.

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A Study on the Environmental control methods Expression in Korean Traditional Residence - Focusing on the courtyard-type - (한국전통 주거건축에 나타난 환경조절방식에 관한 연구 - 중정형을 중심으로 -)

  • Lee, Sun-Min;Hur, Bum-Pall
    • Korean Institute of Interior Design Journal
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    • v.19 no.3
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    • pp.128-135
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    • 2010
  • In this paper, traditional residential architecture in South Korea appear to approach environmental regulation as part of ecological architecture of regional climate controlled environment, according to the characteristics and spatial arrangement, and material to the environment was described as a controlled manner. The scope of this study was not large scale housing construction from traditional chusagotaek, yunjeunggotaek, yangjindang, dokrakdang target was the case. Focusing on examples extracted from Korea first eco-friendly characteristics of traditional residential architecture is an extension of nature to explore space and yard space, and South Korea by way of environmental control that appears in traditional architecture, waterproof, moisture, solar radiation, sunlight, ventilation and air Attributes such as environmental regulation and environmental regulation of space, place and manner of materials were described. Korea's research through more traditional residential architecture of the environmental control and a wide range of environmentally friendly eco-construction was that appeared natural to use energy efficiently, it had been available. Later appeared on the Korea traditional architecture through research on environmental control of environmentally friendly ways to navigate and take advantage of the elements, through continuous research and eco-friendly construction to realize the traditional South Korea could provide a prototype of the modern, I thought I'd had.

The reduced-scale manufacture of a dirt-walled house for the development of a eco-friendly store house (환경친화형 저장고 개발을 위한 흙담집의 축소제작)

  • Kim, Keun-Young;Rhee, Shin-Ho;Song, Chang-Seob;Joo, Ho-Gil;Eom, Seong-Jun;Park, Jong-Beom;Jang, Moon-Ki
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2002.10a
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    • pp.209-212
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    • 2002
  • The construction method of a dirt-walled house is studied in order to develop eco-friendly store house. A dirt-walled house is constructed based on wall frame(Korean traditional style). The main material is soil (mud).

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Developing an Integrated Evaluation Technology for Energy- and Cost-Efficient Building Design Based on BIM in the Real-time Manner

  • Park, Jae Wan;Lee, Yun Gil
    • Architectural research
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    • v.16 no.3
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    • pp.93-100
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    • 2014
  • Existing BIM(Building Information Modeling) based energy evaluation tools cannot be utilized enough for the potential performance of BIM because most of them have not provided the integrated model for energy evaluation, assessment of the material, cost of the construction, and so on. This research aims to propose and develop a new application, EcoBIM, to support an integrated evaluation of the energy and cost efficiencies of the design alternatives within the design process. The proposed application functions as a BIM-based evaluation system that calculates energy-savings performance as well as the construction cost of the alternatives at the design stage. This study mainly focuses on the possibilities of developing the proposed technology. We also suggest an advanced design process using the proposed system, corresponding to changes of national regulations in Korea. This study deduce that EcoBIM can allow architects to make suitable decisions regarding energy- and cost-efficient designs. The proposed design process will allow architects not only to check the eco-friendly performance of design alternatives but also predict the operation cost in a certain period in the future. EcoBIM can prevent large-scale design changes required to obtain environmental certification and enable the owner to make an informed decision about the initial investment of construction according to the result of the analysis of the energy requirement at the design stage.

A Experimental Study on Strength Properties of Mortar using Waste Wood (폐목질을 사용한 모르터의 강도특성에 관한 실험적 연구)

  • 황병준;공민호;정근호;김성식;이영도;정상진
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2003.05a
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    • pp.73.1-76
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    • 2003
  • Recently, as the alternatives to preserve environment such as effective usage of wastes or unusable resources are drawing attentions, researches and measures for the two tasks, which are reuse of waste wood and development of eco-friendly materials, are being examined and established in various fields. However, they are still insufficient. Therefore, in this study, for the efficient application of waste woods and eco-friendly effects, mortar was produced using sawdust as the waste wood and mineral material cement for combination, in order to produce inorganic boards using waste woods. which were made when sawing. This study attempted to suggest a basic material about the physical properties of mortar, which used waste woods, after examining the features of wood mixture rate, water-cement rate, consolation according to the mixture rate of the setting accelerator, specific gravity, compression intensity, and bending intensity as experiment factors.

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Reactivity Improvement Characteristics of Weathered Feldspar through Activation Technique (활성기법을 통한 풍화된 장석의 반응성 개선 특성)

  • Cho, Jinwoo
    • Journal of the Korean Geosynthetics Society
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    • v.20 no.4
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    • pp.33-41
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    • 2021
  • Feldspar, along with Quartz, are the most frequently produced minerals in Korea; however, the potential value is estimated to be significantly low because of the scarce research on the development and application of material properties, except for their limited use in manufacturing minerals, glass, and paints. In this study, we analyzed the eco-friendly material and reactivity improvement characteristics of weathered feldspar through activation technique. The joint structural features observed on the surface of the weathered feldspar show that the joint arrangements are irregularly distributed, and the cavities are interconnected. Due to the irregularly connected cavities on the surface of weathered feldspar, the reaction area of the weathered feldspar is increased; hence the weathered feldspar is considered as a highly reactive pozzolan material when combined with cement. As a result of applying the thermal, mechanical, and chemical activation techniques to improve the functionality of the weathered feldspar, the cation exchange capacity, density, and uniaxial compression strength characteristics were improved. It is considered that weathered feldspar by these porous characteristics can be used as an eco-friendly construction material with excellent physical and chemical properties.

A Planting Study on the Development of Eco-friendly Reinforced Earth-Retaining Wall Using Planting Green Net (환경친화형 그린넷 보강토 옹벽 개발을 위한 식생시험 연구)

  • Chung, Dae-Seouk
    • Journal of Environmental Science International
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    • v.16 no.9
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    • pp.1099-1102
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    • 2007
  • This paper presents eco-friendly planting method to overcome the problems of existing concrete retaining wall and gabion retaining wall, respectively, based on the examination on existing concrete and gabion retaining wall. Prior to doing this, proper design method was provided through pull out test. Planting method using gabion metal net and L shape green net retaining wall were compared and analyzed. According to this study, it is confirmed that reduction of construction period and economical profit in construction can be achieved by both manufacturing at the factory and self procurement at the job site as well as the use of metal net, which is applied as a substitution of existing strengthening material. For the effect of planting method, the use of L shape green net retaining wall shows superiority to environment-friendly gabion retaining wall in its ability to rootage and germination of the grass. The L shape green net retaining wall had excellent performance in helping rootage of grass and prevention of soil leakage, and even if raining period, remarkable damage of planting mat does not occur when planting mat is applied.

Preliminary Study on Traditional Earth Construction Technique use of Lime (석회를 활용한 전통 흙건축 기술에 관한 기초 연구)

  • Hwang, Hey zoo;Kang, Nam Yi
    • KIEAE Journal
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    • v.10 no.2
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    • pp.3-8
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    • 2010
  • Many countermeasures are presented to make excessive earth circumstance pollution better in the earth. A lot of researches are in progress to lessen $CO_2$ among the industries exhausting it. The industries manufacturing cement are making many countermeasures. Many concernments on ECO-friendly materials, rather than cement, are increased, and researches are in progress to develop them. Lime, material mostly used before Portland cement appeared, attracts the Occident as well as the Orient. In the Occident, lime mortar was used in common, for maintaining and repairing cultural properties, too. This study is aimed at offering basic materials for the modern use of lime, ECO-friendly material. This study measured the change of intensity and weight with lime, sand, and earth, basic materials of Samhoimool. As a result, at the beginning, hydrated lime displayed its density late, but as time was gone, density was promoted continuously. In addition, density was promoted, when it was given heat at the beginning. If heat-generation reaction of quicklime and water was used, density was promoted at the beginning, but liquidity showed a drop.