Slag cement is generally ground to less than 45 microns and has a specific gravity in the range of 2.85 to 2.95. slag him off phrase. The glass network of slag is mainly the cause of its latently hydraulic properties. Slag definition is - the dross or scoria of a metal. From: Lea's Chemistry of Cement … Slag cement is produced by finely grinding granulated blast furnace slag, a glassy by-product of iron production, and blending it with Portland cement to create a product that has a number of advantages over mixes containing 100% Portland cement. The geopolymer concrete is different material than alkaline activatior cmement like slag or fly ash cement. Slag down definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The word slag orginates from the medieval German word 'slagge', meaning 'to strike, with reference to the fragments produced by hammering or forging metal' (Chambers Dictionary of Etymology). transforming the oxidising slag in the metallurgical process zone into a reducing slag GGBS (Ground Granulated Blast-furnace Slag) is a cementitious material whose main use is in concrete and is a by-product from the blast-furnaces used to make iron. As Hong Kong is not a major producer of steel, GGBS as a by-product of steel has to be imported overseas and this introduces higher material cost due to transportation and the supply of … The hydration of slag and cement is more complex than that of Portland cement; given that both slag and cement take part in the reaction with water. Slag definition, the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore. See more. The most preferable slag-gypsum ratio was found to be 9:1. In terms of grindability, BFS is slightly more abrasive than clinker and cogrinding has to be performed with care (Alanyali et al., 2009). slag synonyms, slag pronunciation, slag translation, English dictionary definition of slag. | Meaning, pronunciation, translations and examples (6) But as soon as a women starts to pick and choose who she sleeps with she gets called a slag . The laboratory results are inconclusive in determining the efficiency of intergrinding steel slag … Slag definition: Slag is an insulting term for a woman who has a lot of sexual partners . Slag is generally used in higher percentages than fly ash, commonly constituting between 30% and 45% of the cementitious material in concrete, while some comprise as high as 70% or more of the cementitious material in a mix. Definition of slag him off in the Idioms Dictionary. A distinction is made between lime-slag cement, with a content of 10–30 percent lime (by weight) and up to 5 percent gypsum, and sulfate-slag cement, with 15–20 percent gypsum or anhydrite and up to 5 percent portland cement or up to 2 percent lime. Blast-furnaces operate at temperatures of about 1,500°C and are fed with a carefully controlled mixture of iron ore, coke and limestone. Disclaimer. Ground granulated slag has latent hydraulic properties, which means that it reacts with water to produce cementitious properties. The slag cement mixture is composed of cupola slag and portland cement. However, the word also has other meanings in the popular vernacular. Look it up now! Definition of slag me in the Idioms Dictionary. [4] Slag cement is a cementitious material that can help to reduce the amount of Portland cement in a specific concrete mixture. and reduction in total cementitious material in a mixture. 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