초록

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Abstract ▼ AI-Helper

The prevent methods of Alkali-Silica Reaction (ASR) are studying after the failure cases by ASR were reported in Korea. In this study, the freeze-thaw test and scaling test for premixed fly ash cement were performed. The ratio of fly ash and cement is 20 percent and 80 percent by weight of total cem...

The prevent methods of Alkali-Silica Reaction (ASR) are studying after the failure cases by ASR were reported in Korea. In this study, the freeze-thaw test and scaling test for premixed fly ash cement were performed. The ratio of fly ash and cement is 20 percent and 80 percent by weight of total cementious material. The results show that the dynamic modulus after 300 cycles the freeze-thaw test for most of specimen except the specimen have less 3% air was more than 90 % and the loss of weigh the specimen after 50 cycles scaling test was less than 1kg/$m^3$.