Paper Title:
Influence of Mineralogical Origin of Limestone Powder on the Performance of Complex Binder Material
  Abstract

The effect of mineralogical origin, elemental component, crystal structure of three types of limestone powder on the fluidity of cement-limestone paste and mortar was investigated. The results show that the limestone powder originated from the mine of limestone and river pebble have better water-reducing effect, which is closely correlated with the main components of Calcite and Dolomite. These two mineral have relatively regular, orderly and perfect crystal structure with few defects and unfilled pores which are liable to adsorb more water and water-reducing agents. On the contrary, the limestone powder derived from the mine of sandstone has nearly no water-reducing effect which is ascribed to the large amount of clay mineral which exhibit lamellar structure leading to the large quantity of consumption of water.

  Info
Periodical
Edited by
Hui Wu, Xiao-Qian Qian, Chong-zhi Li and Fei Li
Pages
136-141
DOI
10.4028/www.scientific.net/KEM.477.136
Citation
Q. Wang, J. L. Chen, C. C. Zhang, W. Niu, "Influence of Mineralogical Origin of Limestone Powder on the Performance of Complex Binder Material", Key Engineering Materials, Vol. 477, pp. 136-141, 2011
Online since
April 2011
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Price
$32.00
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