It is so common to see the terms “degree of hydration” and “degree of reaction” in research field of cemetitious material, such as cement or blended cement, especially when we focus on the kinetics. Here comes the question, what is the difference between the two terms? are they actually the same meaning? I was confused […]
The reaction degree of slag in blended cement is difficult to measure using those methods which are successfully applied for Portland cement. Demoulian et al. described a method based on extraction of the constituents other than unreacted slag with a reagent based on Ethylene Diamine Tetraacetic Acid (EDTA), finding it effective for determining reaction degree […]
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Overview of global cement price 2012
Several days ago, I posted that the global cement output is decreasing in the first half of 2012. So how about the price trend of cement worldwide? Is it increasing or not? Information from different sources shows the prices of cement varies worldwide. For instance, prices of cement in South Africa had been retailing at […]