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http://dx.doi.org/10.7855/IJHE.2012.14.4.051

Effects of Temperature and Binder Components on Working Life of Fresh MMA Modified UP Polymer Concrete  

Yeon, Jung-Heum (미국 텍사스대 교통연구센터)
Hyun, Sang-Hoon ((주) 아이콘텍 이앤씨)
Publication Information
International Journal of Highway Engineering / v.14, no.4, 2012 , pp. 51-61 More about this Journal
Abstract
PURPOSES : This study deals with the working life of polymer concrete, which is typically used as a repair or overlay material for portland cement concrete pavements. METHODS : In the scope of this study, laboratory testing was conducted on fresh MMA modified UP polymer concrete, which uses an MMA monomer for viscosity adjustment and strength improvement of UP resin. The experimental variables were temperature (-20 to $+20^{\circ}C$) and binder components (MMA, MEKPO, and DMA). RESULTS : The result showed that the optimum binder ratios for polymer concrete production were 12, 11, and 10 wt.% when the MMA contents were 20, 30, and 40 wt.%, respectively. The working life of polymer concrete depending on temperature and binder components could be expressed by a logarithmic functional formula. The coefficient of variation for each binder component was the highest for DMA content while the lowest for MEKPO content. Also, the contents of each binder component for ensuring the working life of 60 minutes were proposed. CONCLUSIONS : Ultimately, the present study derived a linear regression equation estimating 60 minutes working life based on the setting times of each binder component.
Keywords
polymer concrete; unsaturated polyester resin. MMA monomer; working life; binder component;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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