In terms of grindability, BFS is slightly more abrasive than clinker and cogrinding has to be performed with care (Alanyali et al., 2009). [4] Slag cement is a cementitious material that can help to reduce the amount of Portland cement in a specific concrete mixture. 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. We reveal different types of cement products, their compositions, properties, and typical uses. How to use slag in a sentence. 2) - a woman whom sleeps around, looks cheap &/or has questionable character. From: Lea's Chemistry of Cement … Ordinary Portland Cement (OPC) is graded according to their compressive strength. Blended cement can be defined as uniform mix of ordinary Portland cement (OPC) and blending materials such as silica fumes, fly ash, limestone and slag to enhance its properties for different uses. Blast-furnaces operate at temperatures of about 1,500°C and are fed with a carefully controlled mixture of iron ore, coke and limestone. and reduction in total cementitious material in a mixture. 1) - to spit. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Definitions by the largest Idiom Dictionary. Learn more. (5) Tell me about Lehigh's interest in supplemental materials, like slag cement. 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. | Meaning, pronunciation, translations and examples n. 1. Slag definition is - the dross or scoria of a metal. Slag cement (Ground granulated blast- furnace slag): A hydraulic cement formed when granulated blast-furnace slag is ground to a suitable fineness. The most preferable slag-gypsum ratio was found to be 9:1. (6) But as soon as a women starts to pick and choose who she sleeps with she gets called a slag . The slag cement mixture is composed of cupola slag and portland cement. (4) Two recycled cementitious materials come to mind immediately - fly ash and slag cement. Grindability is of major importance in the manufacture of slag blended cement. —n. Granulated blast-furnace slag: The glassy, granular material formed when molten blast-furnace slag is rapidly chilled as … Define slag. There are two methods known to activate slag, viz. Thanks for A2A Mohan Ordinary Portland Cement OPC is manufactured by grinding together OPC Clinker (95 - 97%) along with gypsum (3-5%). Slag Cement, formerly referred to as ground, granulated blast-furnace slag, is a glassy, granular material formed when molten, iron blast-furnace slag is rapidly chilled - typically by water sprays or immersion in water - and subsequently ground to cement fineness. 3) - the waste product of the steel making process. Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. Slag cement is hydraulic and can be added to cement as an SCM. The glass network of slag is mainly the cause of its latently hydraulic properties. Definition of slag him off in the Idioms Dictionary. slag me phrase. Slag cement is generally ground to less than 45 microns and has a specific gravity in the range of 2.85 to 2.95. Blended cement can improve workability, strength, durability and chemical resistance of concrete. Disclaimer. However, the word also has other meanings in the popular vernacular. Slag definition, the more or less completely fused and vitrified matter separated during the reduction of a metal from its ore. See more. Ground granulated slag has latent hydraulic properties, which means that it reacts with water to produce cementitious properties. slag synonyms, slag pronunciation, slag translation, English dictionary definition of slag. Adding activators slag could be activated to hydrate. Cement, in general, adhesive substances of all kinds, but, in a narrower sense, the binding materials used in building and civil engineering construction. Wherever possible, we tend to give reasons as to why a particular cement type is more suitable for a given purpose than other types. Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.Slag is usually a mixture of metal oxides and silicon dioxide.However, slags can contain metal sulfides and elemental metals. Also calledthe more or less completely fused and vitrified matter separated during the reduction of a metal from its ore. [5] It is also hydraulic cement, meaning that it hardens slag definition: 1. waste material produced when coal is dug from the ground, or a substance produced by mixing…. The geopolymer concrete is different material than alkaline activatior cmement like slag or fly ash cement. Slag definition: Slag is an insulting term for a woman who has a lot of sexual partners . Ground granulated slag is often used in concrete in combination with Portland cement as part of a blended cement. Look it up now! 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 … ‘Ground granulated blast furnace slag is used in 53 % of councils in NSW and 23 % in VIC.’ ‘"Oh, it used to be a slag heap, " John said.’ ‘Tell me about Lehigh's interest in supplemental materials, like slag cement.’ ‘Vincent snorted, and turned the doorknob into molten slag once it had swung shut again.’ Another major hurdle of extensive use of GGBS concrete lies in the little source of supply of GGBS. Slag Cement. 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. 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. transforming the oxidising slag in the metallurgical process zone into a reducing slag Cement is a varied product – there are many types of cement that have different applications for construction. In this article we discuss about characteristics, types, advantages and uses […] What does slag him off expression mean? These applications are often denoted by the strength class (a combination of numbers and letters), printed on the cement bag. The vitreous mass left as a residue by the smelting of metallic ore. 2. Definitions by the largest Idiom Dictionary. Definition of slag me in the Idioms Dictionary. 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). Slag down definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The slag cement can be made conveniently with industrial wastes of granulated slag and gypsum from the desulfurization process. Le mélange de ciment de laitier est composé de laitier de cubilot et de ciment portland. 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. — n., v., slagged, slag•ging. The laboratory results are inconclusive in determining the efficiency of intergrinding steel slag … We first discuss cement production and special nomenclature used by cement industrialists in expressing the composition of their cement products. 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