C989 c989m18a standard specification for slag cement for use in concrete and mortars groundgranulated blastfurnace slag. It is generally recognized that the rate of hardening of slag cement is somewhat slower than that of ordinary portland cement during the first 28 days but thereafter increases so that at 12 months the strengths become close to or even exceed those of. This type of cement has the advantages of lower energy cost, higher abrasion resistance, lower. Life365 softwareuser manual download life365 is a standard model developed for predicting the service life and lifecycle cost of reinforced concrete exposed to chlorides. Portland blast furnace slag cement tiger cement is the leading exporter and supplier of slag cement from pakistan. Slag cement can be shipped by bulk, in barge, rail or truck quantities, as measured in metric tons.
Google patents slag cement and process of making the same. Compared to the blended cements used in the past, the new. Structural and durability properties of concrete made with. We comply european standard en 19712000 for slag cement. Only portland cement, blended portland cement, ground granulated blast furnace slag, and fly ash are addressed in this section. Evaluation of portland cement concrete pavement with high. Technical data applicable standards astm international astm c989 standard specification for slag cement for use in concrete and mortars slag cement is manufactured to conform to the requirements of astm c989. Technical issues related to the use of fly ash and slag during the latefall low temperature construction season introduction current indot specifications section 501. Portland cement is a generic name, not a trade name, and has nothing to do with portland modern portland cement was invented in the 19th century, but related materials have been used in construction since roman times mortar is a mixture of cement and sand concrete is a mixture of mortar and.
The lci of slag cement concrete was created by combining the data from the portland cement concrete lci4 and the slag cement lci. Modified portland cement portland pozzolan cement, pozzolanmodified portland cement, slagmodified portland cement page 2 of 3 procedure agreement the listed manufacturers are approved to ship blended cement in accord with the attached agreement. Concrete mix design sanjay ghodawat group of institutions. They include portland cement as covered by aashto m85 2, portland blast furnace slag cement blended cement type is, and slag cement slag cement type s as per aashto m240. Properties and effects of copper slag in concrete 46 properties and effects of copper slag in concrete m. National slag nsa 1814 association slag cement nsa summary of a presentation by rene galibert at march 1981 tcmc and executive committee meetings this discussion will cover the following points. An industry consortium consisting of national ready mixed concrete association, concrete corrosion inhibitor association, slag cement association and the silica fume. Concrete mixtures containing slag cement should be proportioned according to aci 211. Lafarge north america, part of the lafarge group, is a large, diversified supplier of cement, aggregates and concrete as well as other materials for residential, commercial, institutional, and public works construction in the united states and canada. On the other hand, steelmaking slag can be regarded as a low strength hydraulic material due to the presence of c3s, c2s, c4af and c2f in steelmaking slag which endorses its hydraulic properties kourounis et al. The rapid quenching granulation freezes slag cement in a glassy state and imparts cementitious properties to the product when ground finely. Specification for coarse and fine aggregates from natural sources for concrete click here is 455.
Hydration products, morphology and microstructure of. The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of specification c595c595m or as a separate ingredient in concrete or mortar mixtures. Enter synonyms, trade names or additional information found in section 1. Concrete technology notes pdf ct notes pdf eduhub sw.
Pdf the properties of slag cement and its influence on. Page 2 pellet increased drum speed and more cooling water for cementitious applications. The majority of the demand for these products comes from the field of cement. It may also be manufactured by separately grinding portland cement clinker, gypsum and granulated slag and then mixing them intimately. The slag balance now starts to shift and the slag becomes more liquid. Utilization of steel slag for portland cement clinker production. Slag formers are either charged with the scrap or blown into the furnace. Specification for ordinary portland cement, 33 grade click here is 269 20. Portland slag cement specification by bureau of indian standards. The understanding cement book gives the essentials of how cement is made and what happens when you use it in concrete or mortar. This rapid cooling, called quenching, creates glassy granules, which are then ground into the fine powder known as slag cement. Chemical composition degree of fineness it is possible to manufacture different types of cement by changing the percentages of their raw materials. Pdf properties of concrete modified with ultrafine slag.
I had practically used ppc cement in almost all projects. Ground granulated blast furnace slag, slag cement, blast furnace slag, granulated slag. The usage of slag cement, which based on partial replacement of portland cement by slag, has mainly three advantages. Ground granulated blast furnace slag, slag cement, blast furnace slag, granulated slag, pelletized slag, metallic slag, slag cement grade 80, 100, 120. Comparisons of energy consumption required to produce types of cement 4. It is a recovered industrial byproduct of an iron blast furnace. All books are in clear copy here, and all files are secure so dont worry about it. Abstract ground granulated blastfurnace slag ggbs, which is a byproduct of the manufacturing of iron in the blast furnace, can partially replace cement in concrete. Molten slag diverted from the iron blast furnace is rapidly chilled, producing glassy granules that yield. This investigation intends to evaluate the performance. Cemex portland cementlime mix is a factory blended product consisting of portland cement that meets astm c150 specifications and hydrated lime that meets astm c207 type s specifications.
Some specialty aggregate products could be either heavyweight aggregate of barite, magnetite, limonite. Copper slag is a byproduct obtained during matte smelting and refining of copper. Pdf the deicer salt scaling resistance of slag cement. Slag has cementitious properties similar to portland cement. Download fulltext pdf download fulltext pdf properties of concrete modified with ultrafine slag article pdf available september 2019 with 109 reads. Ground granulated slag, combined with portland cement in the mixer, is the subject of discussion at this forum. Portland slag cement psc as per the great success achieved by jagdamba cement industries pvt. Lehigh slag cement product description lehigh slag cement conforms to astm c989aashto m 302 standard specifications for slag cement as a constituent in concrete and mortars and csa a3001 cementitious material for use in concrete. Slag cement not on this prequalified list must be sampled in accordance with the departments. First, it offer cost reduction because blastfurnace slag is a byproduct of steel industry, which makes it cheaper than portland cement on the one hand, though the increasing demand increases the market price more or less. The use of ggbs in concrete has proved to improve certain properties, when compared to portland cement concretes.
It is aimed at nonchemists and takes you painlessly to an intermediate level of cement materials science and chemistry probably about as far as most people in the industry need to go. Concrete with slag cement will have a slower rate of strength gain than concrete made with 100 percent portland cement. Download product manual for portland slag cement according to is. The use of slag in concrete results in improved workability due to the thixotropic nature of cement slag pastes, and better particle dispersion and lubrication of the mix by the finer slag grains.
Here you can download the free lecture notes of concrete technology pdf notes ct pdf notes with multiple file links to download. While this is a new method of use in this country, the cementitious material is not new. Calcium compounds, calcium silicate compounds, and other calcium compounds containing iron. To manufacture cement, limestone, sand, and other additives are combined in rotating kilns at temperatures of up to 1450c. Slag and cement can buildup or adhere to the walls of a confined space. Slag cement, when used as a separate component in a concrete mixture, is specified through astm c 989 specification for ground granulated blastfurnace slag for use in concrete and mortar. Iron cement or eisen cement, which is a mixture of slag and ordinary portland cement. Slag particles are however angular, unlike spherical fly ash particles, and produce only a slight reduction in water demand. Mar 18, 2020 slag cement blended with portland cement first appeared in germany in 1892, and four years later was introduced to workers in the united states. Blastfurnace slag is used in makingfour classes of cement puzzolan, or ordinary slag cement, usually simply called slag cement. The iron is used to produce steel, and the molten slag is converted to a cement like material by rapidly cooling it with water. Cements composition, types finish up cement manufacture properties of component phases types of cements chapter 2 properties of concrete neville chapter 6 concrete. The properties of slag cement and its influence on the structure of.
Environmental benefits comparison of slag cement and fly ash in 3,000 psi concrete comparison with fly ash concrete substituting fly ash for portland cement is another way to make concrete greener. Is code book cement and concrete indian standard codes free. We promote the increased use and acceptance of these products by coordinating the resources of member companies. Pdf properties of blastfurnace slag cement concrete. Hydration products, morphology and microstructure of activated slag cement, international journal of concrete structures and materials, 2014, pp. Coarse aggregate may consist of gravel, crushed stone or iron blast furnace slag. Effects of ground granulated blast furnace slag in. Ggbs, or slag, can be present in concrete as a separate material added in the mixer, or blended in the portland cement. Slag portland cement, which may be a true portland cement. Benefits of slag cement in concrete october 28, 2015.
Standard specification for slag cement for use in concrete. Slag mix slurries were used as primary, temporary abandonment and sidetrack plug cements during prospect predrilling in. Properties of concrete with ground granulated blast. Feb 21, 2011 gives basic idea about cement, manufacturing process, composition, hardening and setting chemistry. Although slag cement has been reported to improve workability, increase cohesiveness. Astm c989 slag cement specification bluegreen color is attributed to a complex reaction of sulfide sulfur in slag cement with other compounds in portland cement. Slag cement is produced by finely grinding granulated blast furnace slag, a glassy byproduct 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. Concrete mix design one of the ultimate aims of studying the various properties of the materials of concrete, plastic concrete and hardened concrete, is to enable a concrete technologist to design a concrete mix for a particular strength and durability. Approximately 40% of iron and steel slag products, and 60% of blast furnace slag, are used in cement. Pdf cement types, composition, uses and advantages of. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. When used as a component in blended cement, one of two specifications are used. Blast furnace slag is used successfully as a mudto cement conversion technology in oil well cementing worldwide because of economic, technical, and environmental advantages 86.
The primary concrete properties studied were compressive strength, splittensile strength, and deicer scaling resistance. Program ii also included mixtures containing different replacement levels of slag cement cast with either limestone or granite coarse aggregate. National institute of technology, surat, gujarat abstract. Astm c595, specification for blended hydraulic cements or astm c1157. Iron and steel slag products are used in a variety of areas where their unique characteristics are put to effective use. Introduction to concrete portland cement association. The first recorded production in the us of blended cement containing both slag and portland cement was in 1896. Slag cement is a hydraulic cement formed when granulated blast furnace slag ggbfs is ground to suitable fineness and is used to replace a portion of portland cement. Blast furnace slag an overview sciencedirect topics. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. This research examined the properties of concrete containing grade 120 slag cement at replacement levels of 0%, 30%, and 50%. Blast furnance slag user guideline portland cement. The properties of slag cement and its influence on the structure of the hardened cement paste. Specification for ordinary portland cement, 33 grade click here is 383 1970.
Types of cement portland cement natural cement expansive cement highalumina cement. Effects of ground granulated blast furnace slag in portland cement concrete book summary. Conforms to hazcom 2012united states page 1 of 10 safety data sheet slag cement section 1. Slag cement, previously known as groundgranulated blastfurnace slag \. Properties of concrete with ground granulated blast furnace.
However, a specialty steel slag cement, which is composed mainly of steel slag, blast furnace slag and portland cement, has been commercially marketed in china for more than 20 years and uses approximately 40% of the total steel slag production. Specification for portland slag cement third revision. Greene, secretary aci 233r17 guide to the use of slag cement in concrete and mortar reported by aci committee 233 corinamaria aldea. Us900939a slag cement and process of making the same. Slag cement is the hydraulic cement that results when molton slag from an iron blast furnace is rapidly quenched with water, dried and ground to a fine powder. The slag cement association is the leading source of knowledge on blastfurnace slag based cementitious products. This investigation revisits the prior work done in this area by whitaker 3 and further. Panesar, in developments in the formulation and reinforcement of concrete second edition, 2019. The ingredients, proportions and physical requirements of type is cement.
The cementitious content, however, is usually fixed by other considerations. Characteristics of portland blastfurnace slag cement. Read online product manual for portland slag cement according to is. By the 1950s, the advances made in both the slag removal and the granulation processes resulted in it being used as an entirely separate product that was added at the concrete mixer. Cement producers will typically build up inventories during the winter and then ship themduring the summer figure 15. The majority of cement shipments are sent to readymixed concrete producers figure 16. Bf slag can be used as a partial portland cement replacement. Cement types, composition, uses and advantages of nanocement, environmental impact on cement production, and possible solutions. Georgia chapter aci luncheon benefits of slag cement in. The properties of cement during hydration vary according to. Some iron and steel slags are returned to the furnaces as ferrous and flux feed. The slag or cement can release, collapse or fall unexpectedly.
If greening does occur, it usually appears within a week of concrete placement and typically disappears within. Portland blastfurnace slag cement is a mixture of ordinary portland cement and not more than 65 wt. Modified portland cement portlandpozzolan cement, pozzolan. Technical issues related to the use of fly ash and slag. As oxygen is blown into the furnace, the principal flux feo is generated. Key constituents used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore. Groundgranulated blastfurnace slag ggbs or ggbfs is obtained by quenching molten iron slag a byproduct of iron and steelmaking from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. Influence of ground granulated blast furnace slag cement. Co2 capture by using blended hydraulic slag cement via a.
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