When used as part of a portland cement concrete, slag reacts with both the water (latent hydraulic reaction) and the hydrated cement paste (pozzolanic reaction), resulting in a more refined microstructure than that of a plain portland cement. The specification of Slag Cement is given in the Indian Standard Code IS Code 455:1989, and it seems to be the colour of blackish grey. It is used for constructions where economic considerations are important. Portland cement is an excellent building material generally used for its excellent binding properties giving strength to structural elements. Portland slag cement is obtained by mixing Portland cement clinker, gyplum and Ifanulated sla,in suitable proportions and grinding the mixture to get I thorough and intimate mix between the consti ­ tuents. This type of cement is manufactured by grinding the clinker with about 60% slag and it is similar to Portland cement. It has been possible to upgrade the qualities of cement by using high-quality limestone, modern equipment, closer on line control of constituents, maintaining better particle size distribution, finer grinding and better packing. This byproduct can be effectively used for the production of slag cement. Using the Ground Granulated Blast Furnace Slag will not only reduce the pollution levels but also has the following Slag is, essentially, a non-metallic product comprising of more than 90% glass with silicates and alumino-silicates of lime. JSW Cement restarted work on the facility, which will grind Ordinary Portland Cement (OPC) and granulated blast furnace slag (GGBS), in September 2018 after suspending the project due to leasing issues in 2016. At JSW Cement, we use superior quality slag produced at our steel manufacturing plant, conforming to IS: 12089 standards for producing PSC. High alumina cement is obtained by mixing calcining bauxite and lime with clinker during the manufacturing process of OPC. Portland slag cement is the most suitable cement for concrete paths, mass concrete uses, structures and bases, pre-cast concrete, concrete open to sea water and oceanic use. Fly ash and Slag will typically be 18% cheaper than Portland cement. The PBSC has great chemical attack resistance power, Fineness, corrosion resistance power, lower permeability as compared to ordinary Portland cement OPC. The PSC is also called Blast Furnace Slag Cement because of its make. The study reveals the mineral formation features caused by the change of the liquid phase composition and crystallization of silicate phases. Advantages and Use of Ordinary portland cement. It works synergistically with portland cement to increase strength, reduce permeability, improve resistance to chemical attack and inhibit rebar corrosion. Due to its much lower lime content and lower permeability, slag is effective in preventing efflorescence when used at appropriate levels. Chemical composition and physical properties meet the specification of ordinary portland cement. It may also be manufactured by separately grinding Portland cement clinker, gypsum and granulated slag and then mixing them intimately. For more information visit our site - doublebullcement.com It improves durability & resilience. The slag constituent should remain in between 35% to 70%(IS:455-2000). Blast furnace slag cement 4. It is created with a combination of upto 45- 50% All compositions produce high ultimate strength, but as slag content is increased, initial strength is reduced, while sulfate resistance upsurges and heat evolution moderates. I didn't find any problem. Clinker contains about eighty-eight percent lime, and also contains various proportions of sand, iron, aluminum, etc. Read More. Type V cement is used only in construction where concrete is going to be exposed to very extreme suphate action. Portland slag cement is the most suitable cement for concrete paths, mass concrete uses, structures and bases, Pre-cast concrete, concrete open to seawater and oceanic use. It is known as slag cement in the local lingo. Slag percentage should be 25 to 70% of the weight of Portland blast furnace slag cement. Portland Slag Cement (PSC) is made by of Clinker, Gypsum and Granulated Blast Furnace Slag. Among the measurable improvements are higher workability, higher finishability, lower permeability, improved resistance to aggressive chemicals, more consistent plastic and hardened properties, flexural strengths, and highest compressive strength. For the bulk and continuous manufacturing and production of Portland Cement following mineral materials are used: calcareous materials (limestone or chalk), argillaceous material (shale or clay), blast furnace slag, silica sand, iron ore, and gypsum as raw material. Slag is by product of steel production, essentially, a non-metallic product comprising of more than 90% glass with silicates and alumino-silicates of lime. The GGBS is a waste product from the steel manufacturing industry. Applications of Type V Cement. I had practically used PPC cement in almost all projects. Hence, during production, the amount of carbon dioxide released in the atmosphere will be reduced. It is one of the best cements for RCC in India. Generally, the use of high-grade cement offers many advantages for making stronger concrete. Giving savings of up to 9% in cement cost with a 50% slag to cement content ratio. The first entry on our list of different types of cement in Pakistan is blast furnace cement. Maximum Guarantee in Every Foundation. PSC is a blended cement confirming to IS 455:2015. The composition of slag essentially depends on the raw materials used in the iron production process. When a mix includes 20% fly ash, this will provide savings of 3.5% in cost. \ The use of technogenic raw materials as input products in the production of portland cement provides for considerable reduction of energy consumption during clinker burning. Leached concentrations of 0.13 and 0.02 mg/L have been recorded for CLSMs with Portland cement and blast furnace slag cement, respectively, used as a binder alongside SSA. Portland Slag Cement . It is manufactured by either inter-grinding or blending, OPC Clinker (35% – 50%),slag (45- 65% ) and gypsum (3-5%). Portland blast-furnace slag cement, or Blast furnace cement (ASTM C595 and EN 197-1 nomenclature respectively), contains up to 95% ground granulated blast furnace slag, with the rest Portland clinker and a little gypsum. Ground Granulated Blast Furnace Slag (GGBS) and Ordinary Portland Cement (OPC) [Quora] Chemical Composition of Ground Granulated Blast Furnace Slag. What is cement made of? Portland Slag Cement, commonly known as PSC, is also a kind of blended cement. Portland Slag Cement (PSC) This cement was used … Blast furnace cement is also known as slag cement. General Portland Cement 2. Properties of Portland Slag Cement. High Alumina Cement. Portland cement is most commonly used for the production of concrete. Four types of cement-1. Application/Use: It is used for architectural beauty, interior and exterior decorations such as terrazzo tiles and floorings, ornamental concrete products such as idols Features: 1. Portland slag cement (CEM II/A-S and CEM II/B-S): This comprises of clinker and blast furnace slag which originates from the rapid cooling of slag obtained by smelting iron ore in a blast furnace. Portland blast furnace cement is similar to OPC in terms of soundness, fineness and strength. As per ASTM 150 (American […] Double Bull Portland Slag Cement Cement (PSC) is made of clinker, gypsum, and granulated blast furnace slag. It is also used as a basic ingredient in the mortar, stucco, and non-specialty grout. chemical use in manufacturing portland slag cement in grinding unit mining. Type IS Portland-Slag Cement Type IP Portland-Pozzonlan Cement Type IT Ternary Blended Cement. The use of slags in raw mixes increased the mechanical strength of … The Portland slag cement is one such cement, which uses blast furnace slag in the production of cement. At JSW Cement, we use superior quality slag produced at our steel manufacturing plant, conforming to IS: 12089 standards for producing PSC. Blast Furnace slag cement is made up of the Ordinary Portland Cement clinkers, gypsum and Ground Granulated Blast Furnace Slag (GGBS) added in certain proportions. About 98% of the cement is made from intermediate products, ie kinkar. Product information. PORTLAND CEMENT CONCRETE 346-1 Description. About 25 to 70 percent of waste slag can be added for production which makes the manufacturing of cement more economical. Portland Slag Cement, commonly known as PSC, is blended cement. ii. Use concrete composed of a mixture of portland cement, aggregate, water, and, where specified, admixtures, pozzolan and ground granulated blast furnace slag. In addition, some blended cements have special performance properties verified by additional testing. Typical chemical composition contains calcium oxide 40%, silica 35%, alumina 13% and magnesia 8%. As the name indicates, it is white in color. Slag cement, previously known as ground-granulated blast-furnace slag \⠀䜀䜀䈀䘀匀尩, has been used in concrete for well over 100 ye\ൡrs \⠀䄀䌀䤀 ㈀ ㄀㄀尩. Blast Furnace Slag Cement. The percentage of the slag varies between 6 and 35%. We Prepare Our Products Using State Of The Art Technology Under Strict Quality Assurance. Using slag cement to replace a portion of Portland cement in a concrete mixture is an efficient way to make concrete more consistent. The Slag cement is more resistant to the attack of weathering agencies. Portland Slag Cement (PSC) Slag cement reduces the threat of sulfate attack, and alkali-silica reaction (ASR), improves resistance to deicing salts and chlorides and provides better protection for steel reinforcement. Different types of Portland cement. Deliver the portland cement concrete to the site of placement in a freshly mixed, unhardened state. It is most suitable for residential, commercial and industrial projects. Slag is, essentially, a non-metallic product comprising of more than 90% glass with silicates and alumino-silicates of lime. Type V cement manages to get high sulphate resistance by keeping C3A content as low as possible about 4%. For example Type IP(MS) is a portland-pozzolan cement with moderate sulfate resistance properties. The advantage of slag is its ability to substitute more of cement. All compositions produce high ultimate strength, but as slag content is increased, initial strength is reduced, while sulfate resistance upsurges and heat evolution moderates. 2. At JSW Cement, superior quality slag produced at the steel-manufacturing plants is used, along with clinker and gypsum to create PSC, using state-of-the-art technology, through roller press and vertical roller mill. Contents:Uses of Different Types of Portland Cement1. Portland Blast-Furnace slag cement (PBSC) This cement was the mixture of clinker and granulated blast-furnace slag. The first recorded production in the US of blended cement containing both slag and portland cement was in 1896 對\⠀䄀䌀䤀 ㈀ ㄀㄀尩. 9. Portland blaze or fly ash cement 3. The portland slag cement has many advantages over ordinary portland cement (OPC). 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