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It's Calcium FerroAluminate, written in cement chemist notation
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Chemistry of SRC cement?
Sulphate resisting cement:Low C3A ContentLow C4AF contentCa(OH)2 + SO2 ---> CaSO3 + H2OIn the above equation water is evolved, so hydration process is continuous in SRC
What is the cement hydration?
Hydration process is a chemical reaction takes place between cement and water.Heat of evolution takes place.C3A > C3S > C4AF > C2SC3S + H2O ------> Ca(OH)2On account of hydration certain products are formed which have adhesive and cementing value.
What are the chemical properties of sulphate resistant cement?
Advantages of using sulphate resisting cement,It is used in marine constructionUsed in foundations and basements where soil is infested with sulphates.Concrete to be used in construction of sewage treatment works.Used in fabrication of pipes which are likely to be buried in sulphate bearing soil.
What are the importance of architecture to chemistry?
the importance of chemistry in architecture is by choosing right materials you needed,right quality of woods,cement,and some construction materials.
How is chemistry used in construction?
I'm a 16 year old boy trying my best to solve u r problem.If it doesn't satisfy you please forgive me. The importance of chemistry in cons....on of buildings are:- *According to chemistry, the rusted iron is not strong enough to hold tons of weight. It minimizes the strength of the building. So we have to select the fresh iron or non-rusted iron. *Here, during cons....on cement is used to make wall of concrete along with bricks. Cement is mixed with sand & gravel in equal proportion and poured to the building in right places the house gains the life 100 years or more. Cemented or concreted building or house is resistant to earthquakes and is strong. Cement is very quick setting polymer. So one cannot cement a single foot of wall in seconds. So to do the job we need chemistry. That is adding gypsum to the cement while manufacturing, the contents of gypsum reducing the setting rate of cement and the job can be done easily.*Curing:-This may be a familiar word to you. It means watering the cement oftenly (3-4 times a day) is good for the building. Because the more the cement is watered the cement absorbs and becomes stronger & stronger. When the RCC material is poured from the next day it should watered for about 21-30 days to become strong. This can be known through chemistry. *A building made of cement should not be painted black because, cement is absorber of sun's heat & black absorbs all sun's radiations. So naturally the house becomes warmer. So to know all these we need knowledge of chemistry. So chemistry is very important during cons....on of buildings. If there are any gramatical mistake or mistake in answer please forgive this little chinya. If u have any questions please ask me i will try to clarify it & gain more knowledge from your questions Signing offBye-Bye
What is C3A in cement chemistry?
C3A stands for tricalciium Aluminate. It is one of the components in Portland cement, which is composed of also C2S, C3S, and C4AF.
One of the main components of cement?
The components of cement are,C3S - 54.1 %C2S - 16.6 %C3A - 10.8 %C4AF - 9.1 %
Chemistry of SRC cement?
Sulphate resisting cement:Low C3A ContentLow C4AF contentCa(OH)2 + SO2 ---> CaSO3 + H2OIn the above equation water is evolved, so hydration process is continuous in SRC
What can you add to Portland cement to make it sulphate resistant?
The sulphate resistant cement is made with low C3A content is found to be effective.Such cement with low C3A and comparitively low C4AF content is known as sulphate resisting cement.This cement has a high silicate content.The specification generally limits the C3A content to 5 percent.
What is the cement hydration?
Hydration process is a chemical reaction takes place between cement and water.Heat of evolution takes place.C3A > C3S > C4AF > C2SC3S + H2O ------> Ca(OH)2On account of hydration certain products are formed which have adhesive and cementing value.
What are the major components of cement?
The major components of cement are,Bogue's componentsTricalcium silicate or alite - C3SDicalcium silicate or belite - C2STricalcium aluminate or celite - C3ATetracalciumaluminoferrite or felite - C4AF
How you can determine CaO and MgO by EDTA in cement?
How you can determine CaO and MgO by EDTA in cement? In: Chemistry [Edit categories]Read more: How_you_can_determine_CaO_and_MgO_by_EDTA_in_cement
What are the chemical properties of sulphate resistant cement?
Advantages of using sulphate resisting cement,It is used in marine constructionUsed in foundations and basements where soil is infested with sulphates.Concrete to be used in construction of sewage treatment works.Used in fabrication of pipes which are likely to be buried in sulphate bearing soil.
What are the importance of architecture to chemistry?
the importance of chemistry in architecture is by choosing right materials you needed,right quality of woods,cement,and some construction materials.
What has the author H E Desch written?
H E. Desch has written: 'Timbers' 'The chemistry and testing of cement'
How does Portland cement differ chemically from other cement?
I assume you are contrasting portland cement with fly ash to portland cement with powdered slag? (Fly ash is from coal furnaces, powdered slag is from oil-burning furnaces). Slag is very similar to portland cement, and can be used to cheaply replace up to 50% of portland cement in concrete. This is less expensive, and the slag makes the hardened concrete more resistant to de-icers. Fly ash is not similar to portland cement, but is also good to resist de-icers. But since fly ash is not similar to portland cement, only 20 to 30% of portland cement can be replaced by it. The main difference in chemistry are the amounts of oxygen-containing elements. (Called 'oxides'). For example, portland cement has 65% of C2O, Slag cement has 45%, and Fly ash contains 25% For SiO2 portland cement 20%, Slag cement 33%, and Fly ash 37% For Al2O3 portland cement 4%, Slag cement 10%, Fly ash 16%. There are other very minor differences in chemistry.
How has chemistry changed our daily lives?
All around us are chemical products: paper, cement, drugs, paints, solvents, etc.
