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콘크리트 펌핑 시 발생하는 재료분리 현상 원인 규명을 위한 고압 레올로지 분석
Analysis of the rheological properties under high pressure for establishing the cause of segregation after concrete pumping
한성호, 김재홍
- 언어KOR
- URLhttps://db.koreascholar.com/Article/Detail/367722
2019 한국구조물진단유지관리공학회 봄 학술발표회 논문집 (2019.04)
pp.389-390
pp.389-390
한국구조물진단유지관리공학회
(The Korea Institute For Structural Maintenance and Inspection)
초록
In this research, the rheological properties of mortar under high pressure were measured in order to investigate the cause of segregation of concrete after pumping. A rheometer with high pressure cell was used to measure rheological properties under 100 bar to 200 bar. The rheological properties were measured at three steps; before pressurization and after pressurization. The rheological properties of high-range water reducing admixture were measured by different composition ratio. The viscosity curve was used for the measurement, and the results were analyzed using a sisko-model.
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