Volume 12, Number 4 and A (Transaction A: Civil Engineering December 2014)                   IJCE 2014, 12(4 and A): 481-487 | Back to browse issues page


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Allahverdi A, Mahinroosta M. A model for prediction of compressive strength of chemically activated high phosphorous slag content cement. IJCE. 2014; 12 (4) :481-487
URL: http://ijce.iust.ac.ir/article-1-897-en.html

Abstract:   (1449 Views)
It was found out that the logarithmic models fit the cement–slag blend systems well. In the present study, based on the experimental results, a logarithmic model has been developed to predict the compressive strength of chemically activated high phosphorous slag content cement. Mixes of phosphorous slag (80 wt.%), Portland cement (14 wt.%) and compound chemical activator (6 wt.%) were prepared at different Blaine finenesses using a laboratory ball mill. Compressive strengths of mortar specimens cured in lime-saturated water were measured at different curing times. Mathematical model was prepared in terms of curing time and water-to-cement ratio as independent variables and compressive strength as dependent variable. The comparisons between the model reproductions and the experimentally obtained results confirm the applicability of the presented model.
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Type of Study: Research Paper | Subject: Structure- Concrete

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