NDLI: Early hydration properties of composite binder containing limestone powder with different finenesses

Content Provider	Springer Nature Link
Author	Fanghui, Han Qiang, Wang Mutian, Liu Yingjun, Mei
Copyright Year	2015
Abstract	The early hydration properties of composite binder containing limestone powder with different finenesses were studied by determining the hydration heat of binder within 3 days using an isothermal calorimeter, the pore structure of hardened paste using a mercury intrusion porosimeter and the compressive strength of mortar cured for 3 days. Results show that for the samples containing fine limestone powder, the hydration heat of binder is large, the pore structure of hardened paste is fine, and the compressive strength of mortar is high compared with the samples containing coarse limestone powder at the same cement replacement ratio. The promoting effect of limestone powder on the early hydration of cement is more evident in the case of lower water to binder ratio, especially for the coarse limestone powder. The decreasing percentage of strength of mortar is far below the replacement ratio of limestone powder in the case of high water to binder ratio, especially for the fine limestone powder.
Starting Page	1141
Ending Page	1151
Page Count	11
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	123
Issue Number	2
e-ISSN	15882926
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-10-19
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Limestone powder Fineness Hydration heat Pore structure Strength Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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