Proceedings of the Korean Institute of Building Construction Conference (한국건축시공학회:학술대회논문집)
- 2006.11a
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- Pages.67-70
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- 2006
Quality Properties of Lightweight Foamed Concrete with Variances in Incorporating Ratio of CKD and Adding Ratio of Stability Agent
CKD 치환율 및 증점안정화제 혼입율 변화에 따른 경량기포 콘크리트의 품질특성
- Shin, Hyun-Sub ;
- Yoo, Seung-Yeup ;
- Jeong, Wang-Bok ;
- Pei, Chang-Chun ;
- Kim, Seong-Soo ;
- Han, Cheon-Goo
- 신현섭 (청주대 대학원) ;
- 유승엽 (청주대 대학원) ;
- 정광복 ((주)건설과 환경) ;
- 배장춘 (청주대 대학원) ;
- 김성수 (아세아시멘트(주) 연구개발팀) ;
- 한천구 (청주대 건축공학부)
- Published : 2006.11.18
Abstract
This study investigates the properties of light weight foamed concrete designed with various incorporating ratios of CKD and adding ratios of PS. Test showed that increase of CKD and PS decreased fluidity of fresh concrete, which need more addition of superplasticizer to secure proper fluidity. As for the sinking depth of specimens, using more CKD or PS decreased the value, due to the improvement of viscosity by micro particles of CKD and reduction of air loss by PS. Those methods are very effective to solve the sinking problem of light weight foamed concrete, which has been highly concerned. For the hardened concrete, compressive strength of specimens exhibited that using around 10% of CKD or 0.02% of PS increased the strength value, but decreased when incorporated or added more amounts of that, due to reduction of the sinking depth, caused by filling effect of the micro particle and improvement of the viscosity.
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