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Published in:
2011 | OriginalPaper | Chapter
A Study on the Mechanical Properties Analysis of Recycled Coarse Aggregate Using Polymer Impregnated
Authors : Hyun-gi Ryu, Jung-sik Kim
Published in: Future Information Technology
Publisher: Springer Berlin Heidelberg
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This study aims at comapring and analyzing the mechanical properties of concrete when the recycled coarse aggregate impregnated. Water-soluble polymer is used to solve the problems of recycled coarse aggregate, because when recycled coarse aggregate is produced. The amount of air in the unhardened concrete was biggest when it was inpregnated for one hour in all replacement rate of 40% and 60% of W/C, and when the smallest amount of air was impregnated for 24 hours. Its per unit capacity mass was bigger than that of plain with 40% of W/C in case of 1 hour and 6 hours, and was generally smaller than that of plain at 60% of W/C. This is because when polymer is impregnated, it plays the role to fill in the gap for a short time, but after a certain amount time, it makes small but more gaps with solid powder, which lowers the adherence strength.