Ppc commonly has pozzolan material added to cement either before clinkering or added to ground clinker. The various opc cement grades obtainable in india are. Ordinary portland cement standards and specifications. Which cement is better opc or ppc, difference both types. In this post, i am going to explain the major differences among the opc and ppc ordinary portland cement and pozzolana portland cement. Opc cement in kolkata, west bengal opc cement, gray. Ppc portland pozzolana cement is a variant of opc ordinary portland cement. Tiger cement limited is one of the best maintained companies for exporting ordinary portland cement from pakistan and is managed by qualified and expert cement field specialists.
Apart from this, another option that has risen to the prominence recently is portland pozzolana cement ppc. Applications of different types of cement for concrete construction selection of cement based on suitability for different concrete construction is. Pozzolan commonly used is fly as and is put upto 15%. If you are viewing the below table in mobile device scroll horizontally for better view.
The wc ratio of ppc and opc is taken the same assuming that the strength properties of both are the same. Pozzolana is an artificial or natural material which has silica in it in a reactive form. Portland pozzolana cement ppc portland pozzolana cement, product of future, is prepared by a fullyautomated, 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. These two type of cement differs from each other in terms of component. Gypsum stands for an additive and its objective is to enhance the setting time of the cement to a executable 30 minutes or more. Portland pozzolana cement ppc is a variation of opc that includes a mixture of a pozzuolanic material that can increase the strength of the concrete and reduce the amount of opc used. Ordinary portland cement opc and portland pozzolana cement ppc differ primarily in their composition ultimately affecting its applicability. The portland pozzolana cement is a kind of blended cement which is produced by either intergrinding of opc clinker along with gypsum and pozzolanic materials in certain proportions or grinding the opc clinker, gypsum and pozzolanic materials separately and thoroughly blending them in certain proportions.
These types of cement are manufactured by using pozzolanic materials as one of the main ingredient. The src can be used for structural concrete wherever opc or ppc or slag cement are usable under normal conditions. Citescore values are based on citation counts in a given year e. Portland pozzolana cement ppc portland pozzolana cement also commonly known as ppc cement. Ppc is produced when pozzuolans are used in the mixture. The main differences in their characteristics and uses are portland pozzolana cement is a variation of ordinary portland cement. In relation to this, ppc refers to a form of portland cement which is portland pozzolana cement. I wuold like to know the difference between ppc and opc cement and its grades. Importance of portland pozzolana cement ppc for durable construction 1.
Which cement is better opc or ppc, difference both types cement which cement is. Portland pozzolana cement ppc the construction civil. This cement comprises of opc clinker, gypsum and pozzolanic materials in certain proportions. Ppc and opc cement dear sirs,i am constructing new house. For getting early strength and in cold climate the wc ratio of ppc shall also be required to be reduced. From the wood and rock structures millennia ago, we now have superstructures that reach to the sky. Jsw cement leading manufacturer of portland slag cement in. Its the most common type of cement in general use around the world, because it is a basic ingredient of concrete, mortar, stucco and most nonspecialty grout.
Difference between opc and ppc cement civil engineering. Opc ordinary portland cement is the basic form of cement with 95% cement clinkers and 5% being gypsum. Further, by substituting lower grade cement with opc 53, overall savings can be obtained through reduced quantity of cement that would be required to be used. The ordinary portland cement opc is one of the most common cement used worldwide that hardens when mixed with water and becomes water resistant. Evaluation of physical and chemical properties of opc and ppc. Ordinary portland cement opc is the most common cement used in the world because of the abundance and low cost to produce it portland pozzolana cement ppc is a variation of opc which includes a mixture of a pozzuolanic material which can increase the strength of the concrete and reduce the amount of. As a common practice, blast furnace slag is incorporated in portland cement production for environmental, technical and economical benefits.
As per the studies on effect of fineness on the cement 1 in general conditions, cements with. A savings of 810% can be achieved with the use of 53 grade opc in place of any other grade. Below is the table with price of opc and ppc cement in nepal. Anjani portland cement limited today, tomorrow and forever.
Most cited cement and concrete research articles elsevier. What are opc and ppc when the clinker is ground with a preset limited amount of gypsum into a very fine powder, it is opc. As each one of these factors is increased, heat of hydration increases. Ordinary portland cement is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater. Request pdf on jan 25, 20, louise k turner and others published carbon dioxide equivalent co 2 e emissions. Opc, ppc and psc concrete cubes are casted as per design mix of characteristics strength m25. Ordinary portland cement results from the calcination of limestone and silica in the following reaction.
On the other hand, the portland pozzolana cement ppc is a variation of opc with high durability and decreases the opc consumption. Hence, jsw cement is the leading manufacturer of green cement in india. As per the bureau of indian standards bis, the grade number of a cement highlights the minimum compressive strength that the cement is expected to attain within 28 days. Along with pozzolanic materials in specific proportions, ppc also contains opc clinker and gypsum. Raw materials for the manufacture of portland cement are found in nearly all countries. Not only is this grade of cement stronger than other grades types, it is also more durable. Opc 53 grade cement attains compression strength of 53 mpa mega pascal in 28 days. Portland pozzolana cement ppc the portland pozzolana cement is a kind of blended cement which is produced by either intergrinding of opc clinker along with gypsum and pozzolanic materials in certain proportions or grinding the opc clinker, gypsum and pozzolanic materials separately and thoroughly blending. Pozzolana materials namely fly ash, volcanic ash, are added to the opc so that it becomes ppc. Ppc cement portland pozzolana cement hibond cement.
Ordinary portland cement opc is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater. A comparison between geopolymer and opc cement concrete. Ppc is obtained when pozzolana flyash is interground with cement clinker and gypsum to particle level measuring above 300 m2kg. What will be result if i use kcp sreshtaa ppc cement for brick wall construction and deccan 53 grade opc cement for plastering. Opc 53 grade cement vs opc 43 grade cement vs ppc vs psc. Ppc or portland pozzolana cement is one of the cement products of deccan cements limited dcl. This article evaluates corporate governance practices at pretoria portland cement ppc limited to determine whether it is a good, responsible corporate citizen, in terms of the requirements of. This is the standard that specifies strength as set out in sans 50197 1 the 42 5 class and 32 5r class cement has a minimum strength at 2 7 days and a minimum and maximum strength at 28 days the 32 5n class cement has a minimum 7 day strength and a minimum and maximum 28 day strength. Gypsum is as an additive to increase the setting time of the cement to a workable 30 minutes or more. What will be result if i use ppc cement for brick wall construction and opc for plastering. Importance of portland pozzolana cement ppc for durable.
The portland pozzolana cementppc is a kind of blended cement which is produced by either inter grinding of opc clinker along with gypsum and pozzolanic materials in certain proportions. It also discusses the amount of co2 absorb by eco cement in comparison with opc and ppc. Which cement is better opc or ppc, difference both types cement which cement is better ppc or opc. Comparative study of eco cement with opc and ppc international. Ppc can be used for all types of construction and it is an ecofriendly cement. What is the difference between the internet and world. It is used for the construction of structures near the sea, sewage water plants, which is more prone to chlorine. You can understand the various properties of opc and ppc, micro cracks, deshuttering periods, cost of procurement, grades of cement etc. For usual range of portland cements, about onehalf of the total heat is liberated between 1 and 3 days, about threequarters in 7 days, and nearly 90 percent in 6 months. Ordinary portland cement opc is one of the most popular types of cement used worldwide in production of concrete. Portland pozzolana cement ppc ppc is a variation of opc. Opcordianry portland cement opcopc is obtained by adding raw materials like calcareous materials and argillaceous materials ppcportland pozzolona cement. This video is a detailed explanation on my anwer already. Ppc is special blended cement useful in general construction work and is especially suitable for applications in aggressive environmental conditions.
These two type of cement differs from each other in terms of component, strength, heat generation, the percentage of several components, durability, grades, cost, ecofriendly nature, application, setting time, curing period etc. Code of conduct hibond cement, opc cement, 53 grade. If it is found that the ppc is giving the low strength then wc ratio of ppc have to be reduced, which will increase the cement content. Ltd the company is committed to conducting its business in accordance with applicable laws, rules and regulations and the highest standards of business ethics and ethical conduct this code of conduct code reflects the business practice and principles of behavior that support this commitment. Ordinary portland cement opc is the most common cement used in the world because of its abundance and low cost of production 2. If the percentage is exceeded, the strength of cement is reduced. Pozzuolana is a cement extender improving the strength and durability of the cement or even reducing the costs of producing concrete. Ordinary portland cement opc ordinary portland cement is made primarily from 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. Construction materials in our world have come a long way. Opc ordinary portland cement belongs to the basic form of cement and it is formed with 95% cement clinkers and 5% gypsum. The percentage of pozzolanic material used in the preparation should be between 10 to 30. Pdf an evaluation of corporate governance practices at. Ppc is a pozzolona portland cement whereas opc is an ordinary portland cement. The main differences in their characteristics and uses are portland pozzolana cement is.
Pozzolana portland cement ppc is manufactured by combination of pozzolanic materials. Pozzolana materials such as fly ash, calcined clay, and volcanic ash are added to opc, and the result leads to ppc. Ppc is manufactured by intergrinding wellburnt opc clinker. Composition and characteristics of ppc and opc cements. Opc and ppc cement dear sirs,i am constructing new house.
Do you know, what is the difference between opc and ppc cement. The clinker is underground with gypsum to control setting. The resulting hard substance, called clinker, is then ground with a small amount of gypsum into a powder to make. 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. Pozzolana is an extender a supplementary cementitious material used to enhance improve the strength. The use of slag in concrete has replaced partially the ordinary portland cement opc. Applications of different cement types for concrete. Pozzolana is a natural or artificial material which contains silica in the reactive form. Opc cement gives high compressive strength at early ages and at 28 days.
85 1055 103 1312 693 565 1483 1074 935 1012 1348 559 963 620 109 11 1198 668 1180 1428 719 957 978 528 526 359 611 1021 449 926 63 645 346 178 1199 151 712 941 1195 1293 1141 535 1102 216