It is used for general construction purposes where special properties are not required such as reinforced concrete buildings, bridges, pavements, and where soil conditions are normal. Portland cement is an excellent building material generally used for its excellent binding properties giving strength to structural elements. The mixture is then grounded and made homogeneous by mean of compressed gas. The product which is obtained from the rotary kiln is known as the cement Clinker. This cement uses for all kinds of work. Finally cement is packed in bags and then transported to the required site. OPC consists of key elements called the Bogue’s compounds which are … It was first produced by a mason Joseph Aspdin in England in 1924. Your email address will not be published. Advantages and Use of Ordinary portland cement. Manufacturing and Uses of Portland Cement. we respect your privacy and take protecting it seriously. Ordinary gray Portland cement is used in normal applications, where it is suitable for all uses that do not require certain properties as available in other species. The heating that occurs in the kiln transforms the raw materials into new chemical compounds. Must Read: 15+ Types of Cement Used in Modern Construction In this article we […] Its composition is as follows: Calcareous or calcium carbonate (chalk, limestone along with marl) Argillaceous or silicates of alumina (clay along with shale) Uses: 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. Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Lime, silica, and alumina are the important ingredients. Portland cement, contrary to popular belief, is not a brand of cement, but the most common type which is used as an ingredient in concrete and mortar … They are widely used for the construction of high-rise buildings, roads, dams, bridges, flyovers. Portland slag cement can be used for all purposes for which ordinary Portland cement is used. Gotthard Base Tunnel (Rail Tunnel) Design Engineering, Construction & Cost, Structural & Non Structural Defects in Building Construction, SAP 2000 and ETABS Training Course on Realworld Civil Engineering Projects, Calcareous (material having content of lime), Argillaceous (material having contents of silica & alumina), Heating the prepared mixture in rotary kiln, Grinding the heated product known as clinker, Mixing and grinding of cement clinker with gypsum. Its name is derived from its similarity to Portland stone, a type of building stone quarried on the Isle of Portland in Dorset, England.. This is last stage where the whole assembly cooled is up to 150 to 200 degree Celsius. b. This whole process in kiln usually covers 2 to 3 hours. It is the most commonly produced cement, used worldwide with an annual world production of approximately 3.8 million cubic meters per year. These chemical reactions all involve the addition of water to the basic chemical compounds. Ordinary Portland cement (OPC): Ordinary Portland cement is the most extensively used cement suitable for all normal concrete construction. Generally, the use of high-grade cement offers many advantages for making stronger concrete. Each one of these reactions occurs at a different time and with different rates. It has mainly three grades. Stay informed - subscribe to our newsletter. The name Portland cement was given by Joseph Aspdin in 1824 due to its similarity in colour and its quality when it hardens like Portland stone. Grade 33 ordinary Portland cement conforming IS:269-1989. Slurry is then introduced in rotary kiln with help of conveyor. This cement has great resistance to cracking and shrinkage but less resistance to chemical attacks. Cement is stronger under compressive load. Ordinary Portland Cement (OPC) This type of cement is used in common construction work. How does it Work? The Ordinary Portland Cement is mainly c ategorized into three types, which are 33-Grade Cement, 43-Grade Cement, and 53-Grade Cement. Those compounds and their role in hardening of cement are as under: It is used for general construction purposes where special properties are not required. Uses of ordinary portland cement: It is used for general construction purposes, where special properties are not required like reinforced concrete buildings, bridges, etc. Portland-limestone cement is engineered with a higher limestone content. Portland cement comes in a variety of different types. Uses of Ordinary Portland Cement (OPC) OPC is generally used for the reinforced concrete buildings, bridges, pavements, and where soil condition are normal. Solve this simple math problem and enter the result. Ordinary Portland Cement Uses Used in all general concrete constructions where concrete is not exposed to sulphate. Annual global production of Portland cement concrete is around 3.8 million cubic meters per year. Your email address will not be published. In this zone lime stone decomposes into lime and CO2. Uses: All other types of cement are used for core construction purposes; but colored cement is primarily used for rendering a decorative appeal to the floors and ceilings. It was invented in 1794 by Joseph Aspdin and patented on 18 December 1824, largely as a result of efforts to develop stronger mortars. The required amount of Gypsum (5 %) is ground to the fine powder, and then mixed with the Clinker. Temperature is raised up to 800 degree Celsius. Uses. These are manufactured with two or more raw materials. Required fields are marked *. However, the former has certain advantages: it has lower heat evolution and is more durable. The Civil Gyan is a blog that provides information and resources on the latest construction methods, software, latest jobs, interview tips, Civil Engineering notes, Bar Bending schedules,  Quantity Estimates, and information related to the Civil Engineering field. IS 269-1989 Ordinary Portland Cement, 33 Grade, Difference between OPC and PPC Cement You should Know, Quality Tests on Cement at Laboratory and at Site, SSC Junior Engineer JE 2020 Recruitment Online Form, Latest Civil Engineering Job Updates 2020, 9 Types of Heavy Construction Equipment and Their Uses, Difference between Shuttering, Formwork, Scaffolding & Centering, OPC is generally used for the reinforced concrete buildings, bridges, pavements, and where soil condition are normal. The pigments impart colours to the cement. Addition of all these reactions gives the knowledge about how Ordinary Portland cement hardens and gains strength. It is normally used for the reinforced concrete buildings, bridges, pavements, and where soil conditions are normal. Let us know in the comments what you think about the concepts in this article! Cement is a commonly used binding material in the construction. This type of cement is used for general construction purposes where special properties are not required. One, it provides for the concrete products to be workable when wet and Two, it provides them to be durable when dry. for 1+3, enter 4. The resulting material is known as slurry having 35-40% water. Save my name, email, and website in this browser for the next time I comment. Ordinary Portland cement Uses: ~ It is admirably suitable for use in general concrete constructions like the construction of high-rise buildings, roads, dams, bridges, flyovers. The most important use of Portland cement is the production of concrete. Portland stone is white grey limestone in island of Portland, Dorset. Aggregates - Types of Aggregates | Coarse Aggregate, Fine Aggregate, Lab Report of Los Angeles Abrasion Test on a Given Sample, Properties of Bitumen and Bituminous Materials, Factors Affecting Selection of Construction Materials, Applications & Uses of Building Stones in Civil Engineering, Uses of Aggregates in Construction, Roads, Railway Ballast, Chemical and Physical Composition of Bitumen, Classification and Methods of Sawing Timber, Properties of Wood & Timber - Physical & Chemical Properties of Wood, Artificial Methods of Wood and Timber Seasoning. Coloured cement is obtained by mixing ordinary portland cement with 5 – 10% mineral pigments. Also, Ordinary Portland Cement is used for making grouts and mortars. Cement is usually manufactured by two processes: These two processes differ in operation but fundamentals of both these processes are same. Ordinary Portland cement mortar, commonly known as OPC mortar or just cement mortar, is created by mixing powdered Ordinary Portland Cement, fine aggregate and water. Modified Portland cement Uses… Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties. Ordinary Portland Cement is made primarily by grinding a mixture of stone and other raw materials like gypsum, calcareous and argillaceous materials such as limestone or chalk and from aluminum oxide, silica oxide, ferric oxide and magnesium oxide found as clay or shale. Together, they account for more than 92% of the total cement production. According to Portland Cement, Ordinary Portland Cement (GB175-1999), the national standard, the strength grades of ordinary cement can be divided into: 32.5, 32.5 R, 42.5, 42.5 R, 52.5, 52.5 R, and their ages should be no less than the numerical value in Table 4.3.The initial setting time of ordinary cement should not be earlier than 45 min, and final setting time should not be later than 10 h. Generally, Portland cement is no longer used for heavy construction. Thus, it can be used in mass concrete structures such as retaining walls, foundation, and dams. Uses of OPC (Ordinary Portland Cement): It is used for general construction purposes where special properties are not required. Different temperature zones are as under: In this zone, temperature is kept at 500 degree Celsius & usually the moisture is removed & clay is broken into silica, aluminum oxide, iron oxide. This type of cement is used for general construction purposes where special properties are not required. On being mixed with other aggregates, Portland cement begins to serve a dual purpose. In the most general sense, portland cement is produced by heating sources of lime, iron, silica, and alumina to clinkering temperature (2,500 to 2,800 degrees Fahrenheit) in a rotating kiln, then grinding the clinker to a fine powder. 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. This chemical reaction with water is called "hydration". It is also used for most of concrete masonry units and for all uses where the concrete is not subject to special sulfate hazard or where the heat generated by the hydration of cement is not objectionable. This cement is suitable for all types of concrete construction. Ordinary Portland cement (OPC) is the commonly used cement around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. Also used for plastering and decorative masonry works. Clinker is usually in the form of greenish black or grey colored balls. Cement uses in our country, according to the type of work. Today, Ordinary Portland cement is the most widely used building material in the world with about 1.56 billion tones produced each year. In Pakistan; cement production will go beyond 45 million tons per year in the next two years. It is used for any aesthetic purpose, artificial marble and flooring finishing. Uses – It is used for external surfaces, finishing of floors, decorative work etc. Properties of Portland Slag Cement. In Pakistan, most of the factories use Wet Process for the production of cement. Grade 43 ordinary Portland cement conforming IS:8112-1989 It is normally used for the reinforced concrete buildings, bridges, pavements, and where soil conditions are normal. E.g. These classifications were totally based on the compressive strength which was achieved after 28 days. Also used in most concrete masonry units. He patented it as Portland cement. Portland cement is used either in the form of cement mortar or cement concrete. Cement can be defined as the bonding material having cohesive & adhesive properties which makes it capable to unite the different construction materials and form the compacted assembly. Ordinary Portland Cement (OPC): Ordinary Portland cement (OPC) is made by pulverising calcium silicate clinkers, calcium sulphates, and limestones at high temperatures. Type I and II are the most common types of Portland cement in the US. Artificial Marble 2. white cement is more expansive and costly than ordinary Portland cement because of changes in the manufacturing process and the material used. Because this cement mixes with water, it produces a lot of heat, which is detrimental to heavy construction. The Cement Clinker is then air cooled. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. The cost of production is not expensive making it the sought after cement in the building industry. Coloured cement is manufactured by mixing colour pigments (5-10 % ) with OPC: As the name suggests, It is used where coloured cements required for any aesthetic purpose: 1. The main advantage of Portland slag cement is the effort of manufacturing this cement is much less than the Ordinary Portland cement because the slag is a waste material. Ordinary Portland Cement (OPC) is mostly used for common structures and also for important civil works. But this cement is very useful for medium-sized construction. The development of modern Portland cement (sometimes called ordinary or normal Portland cement) began in 1756, when John Smeaton … Ordinary Portland Cement -Definition, Composition, Uses. Ordinary/Normal Portland cement is one of the most widely used type of Portland Cement. Coloured cement is manufactured by grinding 5 to 10% of suitable colour pigment with ordinary portland cement. PLC gives specifiers, architects, engineers, producers, and designers a greener way to execute any structure, paving, or geotech project, with virtually no modifications to mix design or placing procedures. Uses of different types of cement 1. How to Calculate the weight of Steel [Bars, Sheets & Plates]?? It is also used as a basic component in a mortar, plaster, and non-speciality grout. Ordinary Portland Cement is prepared by a fully-automated, dry manufacturing process using state of the art technology under strict quality assurance at all stages of manufacturing with the help of the "ROBOTIC (POLAB)" system. Ordinary Portland Cement(OPC) Three different grades of OPC were produced to overcome the different grades of concrete standards. In this part, the powdered limestone is mixed with the clay paste in proper proportion (75%=lime stone; clay=25%) It has great resistance to cracking and shrinkage but has less resistance to chemical attacks. This cement is also used for most of the concrete masonry units. In this zone temperature is maintained up to 1500 degree Celsius and the oxides formed in above zones combine together and form respective silicate, aluminates & ferrite. Site work – Ordinary Portland Cement (OPC Cement) OPC is the most commonly used cement worldwide. Kiln rotates at the rate of 1-2 revolution per minute. Portland cement: a. This is done usually in cylindrical ball or tube mills containing the charge of steel balls. When ordinary Portland cement is mixed with water its chemical compound constituents undergo a series of chemical reactions that cause it to set. In the United States, these types are classified as Type I, II, III, IV and V. Only Types I and III are necessary for consideration by concrete countertop fabricators; the benefits of Type II cement are generally irrelevant to the concrete countertop industry. Cement is manufactured in several varieties, but the most common one used is the normal setting or ordinary cement, usually called Portland cement. OPC cement is Ordinary Portland Cement and in general concrete construction when there is no exposure to sulfates in the soil or groundwater OPC is the most common cement which is used. ASTM specification for white cement could be read as follows: cement should be white Portland cement confirming as per standard specification (ASTM C150). They have to be correctly proportioned and thoroughly mixed. The cement is obtained by burning a mixture of calcareous (calcium) and argillaceous (clay) material at a very high temperature and then grinding the clinker so produced to a fine powder. Grade means mortar cube strength in N/mm2 after 28 days Lets … Used in construction of pavements, bridges, reinforced concrete buildings etc. In rotary kiln, slurry is passed through different zones of temperature. RELATED ARTICLES: What is a Ground Source Heat Pump? The rotary kiln consists of large cylinders 8 to 15 feet in diameter & height of 300-500 feet. There are five stages in manufacturing of cement by wet process: In this phase, soft raw materials are first crushed into suitable size. 2. It is made with steel & is usually lined inside with firebricks. In India, about 70% of cement is of this category. ~ It is used in making grouts and mortars. Portland cement was developed from natural cements made in Britain beginning in the middle of the 18th century. 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. Get Ready for Power Bowls, Ancient Grains and More. It plays a pivotal role in setting and hardening the concrete. This type of cement is used in cement concrete, which is not exposed to such factors as sulfur penetration in soil or water.

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