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Drying Shrinkage and Strength Properties of High-Fluidity Polymer-Modified Mortar
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 Title & Authors
Drying Shrinkage and Strength Properties of High-Fluidity Polymer-Modified Mortar
Joo Myung-Ki; Lee Youn-Su; Jung In-Su;
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 Abstract
The effects of polymer-cement ratio, antifoamer content and shrinkage-reducing agent content on the air content, setting time, drying shrinkage and strength of high-fluidity polymer-modified mortars using redispersible polymer powder are examined. As a result, the air content of the polymer-modified mortars using redispersible polymer powder tends to decrease nth increasing polymer-cement ratio and antifoamer content. Regardless of the antifoamer content, the setting time of the polymer-modified mortars using redispersible polymer powder tends to delayed with increasing polymer-cement ratio. Irrespective of the antifoamer content, the drying shrinkage of the polymer-modified mortars using redispersible polymer powder tend to decrease with increasing polymer-cement ratio and shrinkage-reducing agent content. Regardless of the antifoamer content, the flexural and tensile strengths of the polymer-modified mortars using redispersible polymer powder tends to increase with increasing polymer-cement ratio, and tend to decrease with increasing shrinkage-reducing agent content. However, the compressive strength of the polymer-modified mortars using redispersible polymer powder decreases with increasing polymer-cement ratio and shrinkage-reducing agent content.
 Keywords
high-fluidity polymer-modified mortar;polymer-cement ratio;antifoamer content;shrinkage-reducing agent content;setting time;
 Language
Korean
 Cited by
1.
친환경 UM수지를 사용한 섬유보강 폴리머 시멘트 모르타르의 내구성 및 강도 특성,권민호;서현수;임정희;김진섭;

한국콘크리트학회논문집, 2013. vol.25. 3, pp.313-320 crossref(new window)
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The Properties of Durability and Strength of Fiber-Reinforced Polymer-Modified Mortars Using Eco-Friendly UM Resin, Journal of the Korea Concrete Institute, 2013, 25, 3, 313  crossref(new windwow)
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