• 시멘트
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• 통권170호
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• pp.26-35
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• 2006

동양시멘트(주)/쌍용양회공업(주)/한일시멘트(주)/아세아시멘트(주)/성신양회(주)/고려시멘트(주)/라파즈한라시멘트(주)/

• 에너지공학
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• 제28권1호
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• pp.17-21
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• 2019

OPC의 건조수축을 개선시키기 위해 Calcium sulfaluminate(CSA)를 합성하여 수축저감형시멘트를 제조하였다. 본 연구에서는 합성된 CSA를 OPC에 10%, 13% 16%대체하여 응결시간, 압축강도, 길이변화율을 확인하였다. CSA를 함유한 수축저감형시멘트의 경우 Ca-Al-$H_2$계 수화물의 생성 활성화를 통해 응결시간이 크게 단축되는 것을 확인하였다. 압축강도의 경우 7일 강도 이후에는 기존OPC와 동등 수준이나 초기강도는 향상되는 결과를 확인하였다. 길이변화율은 28일 기준으로 -0.075%에서 -0.047%의 길이변화가 발생하였으며, 이로 인해 건조수축 안정성이 향상된 것을 확인하였다.

• 시멘트
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• 통권169호
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• pp.34-40
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• 2005

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2021년도 봄 학술논문 발표대회
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• pp.183-184
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• 2021

Defects such as falling and cracking of tiles installed in the bathrooms of apartment houses are frequently occurring. Therefore, in order to solve this problem, the A/S cost of construction companies and consumer complaints are increasing. The causes of tile defects include problems such as the selection of tile adhesive and lack of adhesive strength, the carelessness of the installer, the base surface, and the absorption rate of the tile. Therefore, in this study, an adhesive construction method using tile adhesives with high resistance to deformation of floors and tiles was studied. In addition, the properties and construction methods of tile adhesives were evaluated.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2021년도 봄 학술논문 발표대회
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• pp.227-228
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• 2021

There are various problems caused by environmental pollution around the abandoned mines. In addition, they are exposed to the risk of safety accidents due to sinkholes caused by ground subsidence. Therefore, the ground is stabilized through the filling and construction of abandoned mines using industrial by-products. However, in the case of Backfill Material, secondary pollution caused by acidic drainage and leachate is not suppressed. To solve this problem, the liner and cover material is first installed. Therefore, in this study, the watertightness of the liner and cover material was improved by mixing crystalline admixtures by content.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2023년도 봄 학술논문 발표대회
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• pp.377-378
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• 2023

This study examined the effect of curing conditions on the compressive strength of dry mortar for floor. The compressive strength according to the relative humidity during curing was compared, and the influence of expansive additives on compressive strength under water curing was reviewed. As a result, low relative humidity conditions during curing was not effective in improving the compressive strength of dry mortar for floor, and it was judged that the continuous hydration reaction insufficient due to lack of the moisture supply. In order to improve compressive strength, high relative humidity maintenance was found to be an important factor. However, under water curing conditions, the compressive strength has decreased as a result of continuous volume expansion due to the use of the expansive additives.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2023년도 가을학술발표대회논문집
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• pp.211-212
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• 2023

Polishing tiles among porcelain tiles are more durable and aesthetic than ceramic tiles, so their demand has recently increased. In particular, since polishing tiles have a very low absorption rate, organic adhesives with chemical bonds are mainly used. However, organic adhesives have low economic efficiency and some volatile organic compounds (TVOCs). Therefore purpose of this study was to evaluate the performance of polishing tile adhesion by developing organic-inorganic adhesives, which have chemical bonds and mechanical bonds. As a result, since the amorphous chain and chemical bonds of the polymer in the tile adhesives, both tensile and shear adhesion strength were satisfied with the KS L 1592, KS L 1593, and the rate of length change itself in the thermal cycling was lower than organic adhesives. So it is thought that it is possible to replace some organic adhesives.

• 에너지공학
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• 제28권1호
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• pp.10-16
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• 2019

본 연구에서는 경량기포콘크리트의 침하안정성 및 경제성을 확보하기 위해 수행되었다. OPC에 fly ash와 Calcium sulfaluminate(CSA)를 일정함량 치환한 배합비를 선정하고 기초물성을 검토하였다. CSA에 의해 조기 ettringite 생성으로 경량기포콘크리트의 플로우가 감소한 것을 확인하였다. 압축강도는 CSA 10%까지 혼입할 경우 경량기포콘크리트의 경화시간 단축으로 인해 초기강도는 증가한 것을 확인하였다. 침하깊이는 CSA를 치환할 경우 응결시간을 단축하여 기포가 소포되는 것을 방지하였기 때문에 침하안정성이 향상되었다.

• 레미콘
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• 10호통권41호
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• pp.132-133
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• 1994

• 한국건설순환자원학회지
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• 제17권3호
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• pp.25-32
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• 2022