초록
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1. 총괄 연구 목표
■ 건설재료의 전 생애주기(생산, 수송 및 유통, 사용, 폐기 등)에서 발생되는 이산화탄소(CO₂)를 경제성을 고려하면서 최소화하기 위한 탄소저감형 건설재료 기술 개발 및 이의 건설현장 ...

1. 총괄 연구 목표
■ 건설재료의 전 생애주기(생산, 수송 및 유통, 사용, 폐기 등)에서 발생되는 이산화탄소(CO₂)를 경제성을 고려하면서 최소화하기 위한 탄소저감형 건설재료 기술 개발 및 이의 건설현장 활용 촉진을 위한 건설재료 탄소라벨링 표시와 관리기술 개발
2. 연구단 구성
【 1 연구단 】CO₂ 저감형 시멘트·콘크리트 개발 및 활용
■ 1 세부과제: CO₂ 저감형 시멘트계 재료 기술 개발
■ 2 세부과제: CO₂ 저감형 콘크리트 제조 기술 개발
■ 3 세부과제: CO₂ 저감형 콘크리트 활용 기술 개발
【 2 연구단 】CO₂ 저감형 고기능성 건설자재 개발
■ 1세부과제 : 신소재 활용 고기능 CO₂ 저감 건설자재 개발
■ 2세부과제 : 바이오 매스 활용 CO₂ 저감 건설자재 개발
■ 3세부과제 : 저탄소 고기능 벽체 시스템 개발
【 3 연구단 】건설재료 전과정 CO₂ 통합관리 및 보급기술개발
■ 1 세부과제: 건설재료 LCI DB구축 및 통합 평가·관리 기술 개발
■ 2 세부과제: 건설재료 전과정 CO₂ 저감 및 평가·관리 기술 개발
■ 3 세부과제: 건설재료 탄소라벨링 제도 및 관리시스템 개발
■ 4 세부과제: 건설 재료 친환경 표준시방서 개발
3. 주요 최종 성과물
■ Poland Limestone Cement(PLC) 개발 (석회석 혼합율 최대 25%)
■ 기존 시멘트계 재료 보다 CO₂ 흡수율 1.5배 향상 CO₂ 대량 흡수 물질 개발
■ 무시멘트 활용 레미콘 대량 생산 (기존 레미콘 대비 70～90%/m3 탄소배출 저감)
■ SPC 활용 초내식성 해양환경 콘크리트 개발 (탄소배출량 일반콘크리트 대비 1/200 수준)
■ IT 기술(스마트센서 및 계측시스템) 이용 콘크리트 성능예측 및 제어시스템 개발
■ 스팀 양생 없는 제로 에너지 프리캐스트 콘크리트 제조 시스템 개발 (에너지 30% 저감)
■ 레미콘 회수수 및 슬러지를 활용한 CO₂ 고정화 기술 및 중화처리 폐기 시스템 개발 (pH8이하, CO₂ 고정화 비율 3%)
■ 에너지 초절감형 스마트창호기술 실용화기반기술 확립 및 제품개발 (난방율 30% 저감)
■ 상변화물질 사용 건설재료의 축열 성능을 이용한 에너지 저장 및 활용설비 기술 개발
■ CO₂ 배출 50% 이상 저감된 바이오매스/CO₂ Polymer 이용한 건축 내장재
■ CO₂ 배출 주요 건설재료 LCI DB 구축 50% 향상, 건설재료 LCI 통합 평가·관리 시스템개발로 건설구조물 전과정 CO₂ 평가능력 30% 향상

Abstract
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2. Background and objectives of planning research
2.1 Research Background
All countries are focusing on the “low carbon gree...

2. Background and objectives of planning research
2.1 Research Background
All countries are focusing on the “low carbon green growth”as a objective to reduce environmental load (CO₂ reduction) resulted from global warming.Also, by the Korean government let “Low Carbon Green Growth” to national paradigm, policy/ law/ technique development/ research development for co2 reduction in all industries have been conducting. Meanwhile, construction industry occupy 42% of CO₂ generation in all industries, it is very important to reduce CO₂ in construction industry. Especially, measures to reduce CO₂ are urgently required. CO₂ evaluation technique in construction industry and construction material have been processed inside and outside Korea. It is time to handle with CO₂ labelling system about construction material because this system have been legislated.
2.2 Research objective
1) Research objective about construction material with CO₂ reduction
Development of Construction material technique with CO₂ reduction and indication of CO₂ labelling and management technique to accelerate application of this material in construction field to minimize CO₂ and considering economic efficiency of CO₂ occurred during Life cycle (production, transportation, distribution, use and disuse) of construction material
2) Planning research objective about construction material with CO₂ reduction
Based on RFP presented to realize low carbon and green growth, strategy about development of technique are established focusing on economic efficiency practical use and by making use of expert about construction material. Planning report about 『construction material with CO₂ reduction』 are written about planning research project and making development of research considering pre-feasibility investigation. Finally, RFP for inviting project in public using this report are written and evaluation criteria are set up.
3. A method to deploy planning research
This study have processed in 4 stages. The strategy to develop a technique was established in 1^st stage. Research development at each area to deploy importantly was planned in 2^nd state. pre-feasibility for research development was investigated in 3^rd stage. Finally, RFP writing for inviting project in public and evaluation criteria was set up in 4^th stage.
4. Composition of research group.
Total 20 research projects are divided derived from planning research. We have 3 research groups. Research group 1 is to develop and apply cement·concrete with CO₂ reduction. Research group 2 is to develop high performance of construction materials with CO₂ reduction. Research group 3 is to manage CO₂ with integration and to develope a diffusion technique with construction material during life cycle.
4.1 Research group 1
1) Research group name:
Development and application of cement·concrete with co2 reduction
2) Research objectives
Vision of the research initiatives to develop and apply cement·concrete with co2 reduction establish the platform for green construction based on cement·concrete with CO₂ reduction by combining application technique for material with low CO₂ emission functional unit, decrease technique for cemen·clinker use, CO₂ absorption and fixation technique, and finally, IT/BT/ET technique
3) Contents of research development
■ Sub-group 1: Development of technique about cement-typed material with CO₂ reduction
☞Development of technique to produce new blended cement(PLC) with CO₂ reduction using limestone mineral
☞ Development of cement-typed photosynthetic construction material to absorb massive CO₂
■ Subgroup 2: Development of technique about manufacturing concrete with CO₂ reduction
☞ Development of technique about design of mixing proportion for low carbon high durability concrete without cement
☞ Development of corrosion resistance concrete in marine environments using SPC(sulfur-polymer cement) as a by-product in oil refining industry.
☞ Development of steel fiber reinforce concrete with CO₂ reduction
■ Subgroup 3 : Development of applying technique about concrete with CO₂ reduction
☞ Development of smart concrete system combining IT Technique.
☞ Development of zero-energy concrete curing system using technique about early strength and rapid set
☞ Development of technique about CO₂ fixation by carbonation of recycling water in ready mixed concrete.
☞ Development of technique about heat shielding coating in concrete surface using micro-organism
4) Major final products
■ Development of Portland limestone cement (Limestone mixing rate: up to 25%)
■ Development of material to absorb CO₂ massively enhancing 1.5 times in CO₂ absorption rate
■ Development of inorganic soil stabilizer and artificial soil without using ordinary portland cement
■ Production of ready-mixed concrete using no-cement (Reduction co2 absorption of 70～90%/m³ comparing with existing ready-mixed conrete)
■ Development of corrosioon resistance conrete in marine environments using SPC (1/200 CO₂ emission comparing with ordinary conrete)
■ Development of high durability steel fiber reinforced concrete using steel fiber(reduction CO₂ of 20% and reduction crack of 20% at manufacturing with steel fiber)
■ Development of predicting concrete performance and controlling system using IT technique(Smart sensor and measuring system)
■ Development of zero-energy precast concrete manufacturing system without steam curing(reduction energy of 30%)
■ Development of CO₂ fixation technique using recycling water and sludge in ready mixed concrete, and neutralized waste system. (under pH 8, the rate of CO₂ fixation: 3%)
■ Development of technique about coating concrete surface and crack healing by micri-organism(Bio-mineralization & Bio-film mechanism).
4.2 Research Group 2
1) Research Group Name:
Development of high performance of construction materials with CO₂ reduction
2) Research objectives
30% reduction of energy consumption or 30% reduction of CO₂ (BAU) through utilization of new materials (PCM) and bio mass product
3) Contents of research development
■ 1 subgroup : Development of high performance construction materials with CO₂ reduction and its utilization
☞ Development of high efficient smart window (20% efficiency) and original resources of Nano technology with selective light-block/absorption
☞ Development of CO₂ reduction construction materials utilizing PCM/ Development of technique for radiation and storage of heat device
■ 2 subgroup: Development of CO₂ reduction materials utilizing bio mass
☞ Development of time-control decomposition technique for artificial wood for erosion control and water control using biomass and molecular reduction technique
☞ Development of eco-friendly technique for wood-patterned interior materials and revaluation technique
■ 3 subgroup: Development of high performance PC wall system with CO₂ reduction
☞ Development of integration system with high heat insulation using PC wall system
☞ Development for hybrid PC wall system with high heat insulation, sound absorption, and fire resistance
☞ Reduction technique for heat loss index through application of heat insulation materials to effective HOUSE for verification
4) Major final products
■ Establishment of commercialization of high efficient mart window and development of smart window product (30% reduction of heating/cooling)
■ Heat and energy storage facilities using construction materials with PCM
■ Product development of realization of CO₂ reduction, toxicity free, and environmental load(BAU 30% of common plastic)
■ Biomass/ CO₂ polymer interior materials with 50% CO₂ reduction
■ Eco-friendly, anti-fire, organic/inorganic hybrid composites (toxicity free, high sound absorption, resistance to flame)
■ high light and heat insulation concrete development (strength over 24MPa. weight lower1.8t/m³, heat conduction lower 0.6 kcal/mh℃)
■ Verification of obtained and developed technique through EFFECTIVE HOUSE
4.3 Research Group 3
1) Research Group Name:
CO₂ integration management and development of diffusion technique with construction material during life cycle
2) Research objectives
Through CO₂ integration management and development of diffusion technique with construction material during life cycle, green construction and national policy object for CO₂ reduction can be realized and achieved by the LCI establishment and evaluation system obtainment of construction materials / members and the development of system and policy technique for diffusion of construction material with CO₂ reduction
3) Contents of research development
■ Subgroup 1: Development of LCI DB establishment about construction material and techniques about integration evaluation and management
☞ Development of technique about integration LCI evaluation about construction material
☞ Establishment of LCI DB about construction material
☞ Development of LCI DB integration management system about construction material
■ Subgroup 2: Development of technique about CO₂ reduction, evaluation and management of construction material during life cycle
☞ Development of technique about CO₂ reduction and evaluation and management in area of producing construction material
☞ Development of technique about CO₂ reduction and evaluation and management in area of using and maintaining construction material
☞ Development of technique about CO₂ reduction and evaluation and management in area of deconstructing and disusing construction material
■ Subgroup 3: Development of CO₂ labelling system and management system of construction material
☞ Development of CO₂ labelling system
☞ Development of CO₂ labelling management system
■ Subgroup 4: Development of green standard specification of construction material
☞ Development of writing general guideline about green standard specification of construction material
☞ Development of writing specific guideline about green standard specification of construction material
☞ Development and diffusion of green standard specification of construction material
4) Major final products
■ Enhancing 50% of establishment of LCI DB about major construction material to emit CO₂
■Reducing 30% of green house gases emission of construction material comparing with BAU and enhancing 50% coping with green house gases in related company.
■ Achieving more than 40% of occupation rate in CO₂ labelled product through the CO₂ labelling management system. Alleviating more than 20% of CO₂ emission comparing with the time CO₂ labelling system started, after system started.
■ Development of general and specific guideline about standard specification and development of green standard specification about 100 construction materials

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