Results 31 to 40 of about 177,486 (277)
The effect of cement modification on the rheological properties of cement paste
Experimental tests have determined the effect of slag, opoka (silica-calcite sedimentary rock), silica fume (SiO2) suspension, dolomite dust and sodium silicate solution (NaSS) together with the polycarboxylatether based plasticizing admixture on the ...
Eugenijus Janavičius +4 more
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The performance of Portland cement in concrete or mortar formation is very well influenced by chemical compositions among other factors. Many engineers usually have little information on the chemical compositions of cement in making decisions for the ...
Mark Bediako, Eric Opoku Amankwah
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The Effects of Mineral Wool Fly Ash on Cohesive Soil Strength Behaviour
This research work represents updated results of cohesive soil strength improvement with mineral wool fly ash. In the investigations, these materials were used: Portland cement CEM I 42.5 R, fly ash obtained from a mineral wool production process, sand ...
Mindaugas Zakarka +3 more
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Technological foundations for solving problem of metallurgy and TPP waste utilization for development of "Green" technology for composite cements production [PDF]
The chemical-mineralogical compositions and physic-chemical properties of slag waste from the Angren TPP and Uzmetkombinat JSC were determined. A Conclusion was issued on their suitability for use as additives in cement and the possibility of using them ...
Iskandarova Mastura +4 more
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Comparative study of Portland cement-based and zeolite-based concretes in terms of hexavalent chromium leaching [PDF]
The paper presents the results of the leaching study of Portland cement-based and zeolite-based concretes regarding water soluble hexavalent chromium.
Eštoková, Adriana, Oravec, Jozef
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Properties of concrete incorporating locally produced Portland limestone cement
Blended cements are increasingly being used in concrete to reduce the amount of clinker in the cement, thus achieving both economic and environmental gains. The use of limestone as a component of Portland cement is now common practice worldwide. Reducing
Fatma Shaker +2 more
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The reliability of concrete structures is closely related to the durability of the concrete materials stable under external environmental conditions.
Svetlana V. Samchenko +2 more
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THE TESTING OF PORTLAND CEMENT [PDF]
n ...
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This chapter tells the story of Portland cement, from its invention in the 19th century until its present-day hegemony as the number one manufactured mineral product. The success story of Portland cement is rooted in the unique combination of the abundance of its raw materials, the reactivity of the high-temperature clinker product toward water, and ...
Scrivener, Karen L., Snellings, Ruben
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