Correlation-optical method for cement particle size definition

2014 ◽  
Author(s):  
Mykhaylo P. Gorsky ◽  
Peter P. Maksimyak ◽  
Andrew P. Maksimyak
Keyword(s):  
Particle Size ◽  
Optical Method ◽  
Cement Particle

Optimization of Ultra-Fine Limestone Filler on Cement Grain Composition

2013 ◽  
Vol 438-439 ◽  
pp. 94-97
Author(s):  
Wen Xu ◽  
Fei Guo ◽  
Qian Tian
Keyword(s):  
Experimental Investigation ◽  
Particle Size ◽  
Flow Resistance ◽  
Particle Distribution ◽  
Free Water ◽  
Point Of View ◽  
Cement Particle ◽  
Grain Composition ◽  
Replacement Ratio ◽  
Limestone Filler

An experimental investigation was carried out to evaluate the effect of limestone filler (LF) with equivalent replacement of cement on its grain composition. The results indicated that LF optimized cement particle distribution, filled the empty place among cement particles and released more free water when mixing. With the decrease of the LF particle size and the increase of LF replacement ratio of cement, these effects were more remarkable. As a result, the finer and the more replacement ratio of the microfiller, the lower the flow resistance and plastic viscosity of the mixture from a rheological point of view.

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