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The Influence of WH-II Super Set-Retarding Agent on the Heat of Hydration and Indices of Portland Cement

This paper study on effects of WH-Ⅱ super set-retarding agent on the hydration,the heat of hydration,the setting time and strength of Portland cement The author does test on the hydration with the methods of XRD and SEM.The results show that fitful amount of WH-Ⅱ super set-retarding agent is effective on retarding the setting time and improving the strength of Portland cement.