Filler effect of fine particle sand on the compressive strength of mortar
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Author list: Jaturapitakkul C., Tangpagasit J., Songmue S., Kiattikomol K.
Publisher: Springer
Publication year: 2011
Journal: International Journal of Minerals, Metallurgy and Materials (1674-4799)
Volume number: 18
Issue number: 2
Start page: 240
End page: 246
Number of pages: 7
ISSN: 1674-4799
eISSN: 1869-103X
Languages: English-Great Britain (EN-GB)
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Abstract
The river sand, which is a non-pozzolanic material, was ground into 3 different particle sizes. Portland cement type I was replaced by the ground river sands at 10wt%-40wt% of binder to cast mortar. Compressive strengths of mortar were investigated and the filler effect of different fine particles of sand on the compressive strength of mortar was evaluated. The results show that the compressive strength of mortar contributed from the filler effect of smaller particles is higher than that of the coarser ones. The difference in compressive strength of mortar tends to be greater as the difference in ground river sand fineness increases. The results also suggest that ASTM C618 specification is not practically suitable for specifying pozzolan in concrete since the str ngth activity index of mortar containing ground river sand (high crystalline phase) with 33.8wt% of particles retained on a 45-์m sieve can pass the strength requirement. ฉ University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2011.
Keywords
Hydration
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