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Effect of low temperature on early strength of cemented paste backfill from a copper mine and engineering recommendations

Low winter temperatures are a widespread concern for mines in China that use cemented paste backfill (CPB). A low environmental temperature has a significant effect on the CPB temperature, which can affect its hydration rate and early strength. Using paste material from the Jiashi Copper Mine (JCM)...

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Hlavní autoři: WANG Yong, WU Ai-xiang, WANG Hong-jiang, YANG Liu-hua, WANG Yi-ming, JIN Fei, YANG Xi-xiang, ZHOU Fa-lu
Médium: Artigo
Jazyk:Chinês
Vydáno: Science Press 2018-08-01
Edice:工程科学学报
Témata:
paste
low temperature
hydration degree
strength
addition of high-temperature water
On-line přístup:http://cje.ustb.edu.cn/article/doi/10.13374/j.issn2095-9389.2018.08.005
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