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Why is limestone used in cement concrete yahoo answers

Concrete is an artificial conglomerate in geology, a conglomerate is a rock made up of often metalrich stones set in a matrix of sand and fine clays where the binding matrix is posed of usually Portland cement and clean sand, and stones monly called gravel or road metal; without the stones, the mixture can be a mortar used to bed

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Calcite Mineral Uses And Properties

odern construction uses calcite in the form of limestone and marble to produce cement and concrete These materials are easily mixed, transported, and placed in the form of a slurry that will harden into a durable construction material Concrete is used to make buildings, highways, bridges, walls, and many other structures

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Crushed Concrete On Driveway Yahoo Answers

Crushed concrete on driveway yahoo answersMar 18, 2011 best answer no, not a good ideaCrushed concrete can be used to fill in gulleys and wash out areas but not for a drivewayCrushed concrete can and will have sharp edgesThis could destroy the tires on your truckYou need a good base of 2 crushed limestone and no it is not free

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Crushed Concrete On Driveway Yahoo Answers

Best Answer: No, not a good idea Crushed concrete can be used to fill in gulleys and wash out areas but not for a driveway Crushed concrete can and will have sharp edges

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How Does Concrete Effect Global Warming Yahoo Ans

Answers Best Answer: Concrete is a bination of cement and sand gravel stone One step of cement production is calcination, the chemical conversion of limestone to lime: CaCO3 limestone + heat > CaO lime + CO2 Therefore, this step of cement production is both a direct and indirect CO2 emitter

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How Is Limestone Used To Make Glass Yahoo Answers

Answers Glass is made from sand and limestone Limestone is added before the heating process in which the glass is formed The limestone in the glass helps protect it from weathering After the heating process which is done in cool conditions a sodalimesilica glass product is formed, which is glass, as we know it

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Is Limestone A Pound Or Mixture And Os Cement A Ya

Answers Best Answer: Limestone, CaCO3, is made up of 3 elements: 1 Calcium atom, 1 Carbon atom and 3 Oxygen atoms They are chemically united in definite fixed proportions making it a pound Osmium cement is a little bit trickier to determine if it were a pound or mixture While it too would have to be formulated in definite,

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Key Stage 2 Answer As To Why Limestone Is Good For

Best Answer: Limestone and a silicate clay and shale for example are used to make cement The kilns work at around 1450C and melt the mixture which are balanced to create a clinker of an exact chemical content The fused material must have certain chemical properties which are known to give strength to the concrete at the end

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Limestone > Cement Concrete And Glass Yahoo Answe

Concrete is an artificial conglomerate in geology, a conglomerate is a rock made up of often metalrich stones set in a matrix of sand and fine clays where the binding matrix is posed of usually Portland cement and clean sand, and stones monly called gravel or road metal; without the stones, the mixture can be a mortar used to bed

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Limestone Quarrying Yahoo Answers

Limestone rock is used in the manufacture of iron and steel, in making agricultural land more fertile by reducing acidity and it is used more than any other stone in motorways,roads and ,in the UK and Europe, as a large fraction of all concreteTechnologicaly It will play a big part in future efforts to reduce sulphur emissions from industry and will very likely play some role in controlling how an where carbon dioxide is storedif it ever is

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Limestone Used Fluidlimestone Used For Cement

Limestone for cement production Mining Equipment A significant proportion of the lime production in the state is obtained from the Blue Circle Southern Cement Ltd South Marulan limestone deposit, which the pany mines for cementmaking Limestone used to make lime must not produce a large proportion of fines on calcining

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Preparation Of Limestone For Cement From Its Ores

What is used to make cement Answers The Most Trusted What is used to make cement iron and aluminium ores, and gypsum are the principal materials used to make cement Limestone for the CaO,

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Process From Limestone To Concrete Ilgiardinosulla

which process is limestone used to make concrete which process is limestone used to make concrete Yahoo Answers Results Contact Now Limestone: The Calcium Carbonate Chemical Sedimentary Rock Products made with limestone: Limestone is an essential mineral modity of national importance

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Questions On Concrete And Cement Yahoo Answers

Answers Best Answer: 1a Portland cement is defined by the final product, not by a single process of raw materials It is mostly a mixture of calcium silicates both 2CaO*SiO2 and 3CaO*SiO2 The Calcium oxide usually es from limestone CaCO3 by heating it: CaCO3 s > CaO s + CO2

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Use Of Limestone And Gypsum In Cement Gulliverviag

why is limestone used in cement concrete Yahoo Answers Why is limestone used in cement concrete [email protected] Follow ash, granulated slag and or limestone, as well as with gypsum anhydrite Know More

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Using Limestone In Making Concrete Telcentralenl

why is limestone used in cement concrete Yahoo Answers Limestone is crushed up with clay or shale and heated in large rotating kilns, a little calcium sulfate powder is added to the cement to stop it setting as soon as water is mixed in Cement powder is mixed with sand and small stones to make concrete the most widely used building

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What Chemical Can Be Used To Remove Hardened Cemen

he local hardware store might have a chemical called Muratic acid It is used to clean concrete from bricks and from concrete trucks when it bees too hard to just wash off Please be careful with it, though as it is very potent

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What Is Concrete Yahoo Answers

Best Answer: Concrete is a mixture of portland cement, sand, gravel, and water The water reacts with the portland to hydrate and lock the aggregate in place The water reacts with the portland to hydrate and lock the aggregate in place

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What Is The Specific Gravity Of Concrete Yahoo An

Rating Newest Oldest Best Answer: Vishal, The weight of a batch of concrete varies with its position, but a typical concrete mix about 145 pounds per cubic foot pcf Specific gravity is the ratio of the weight of a cubic foot of a material to the weight of a cubic foot of water, which is 624 pcf

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Where Does Concrete E From Yahoo Answers

Answers The heart of concrete is what is called portland cement, which at its heart is a variety of limestone which is fired to change its chemistry That limestone is often quarried, and processed into portland in a rather huge plant The portland is then packaged in bags for individual sale, or bulk delivered to readymix outfits,

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Who Made The First Cement AnswersDrive

Joseph Aspdin took out a patent in 1824 for Portland Cement, a material he produced by firing finelyground clay and limestone until the limestone was calcined He called it Portland Cement because the concrete made from it looked like Portland stone, a widelyused building stone in England

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Why Do People Mix Sand With Cement Whenever They M

Best Answer: Sand is a very fine material which can contribute for a concrete to solidify to give the necessary strength for a certain structure Sand can fill up the pores or

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Why Is Limestone Called Limestone Answers

cement is formed from limestone by bustion of limestone heating of the limestone! How is concrete formed from limestone concrete is formed from limestone by the bustion of the limestone

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Why Is Limestone Used For Making Glass Answers

Cooked limestone is used to make Portland cement, the key ingredient in mortars, cements, and concrete More Uses Glass making Ingredient in toothpaste Bread and cereals

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Why Is Sand Used In Concrete Crushermachinecoza

Answers Why do people mix sand with cement whenever they Best Answer: Sand is a very fine material which can contribute for a concrete to solidify to Chat Online Get Price Why use sand in concrete The QA wiki The sand ballast provides strength, hardness, and durability

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Why Is Sand Used In Concrete Solution For Ore Min

Yahoo! Answers Why do people mix sand with cement whenever they Best Answer: Sand is a very fine material which can contribute for a concrete to solidify to give the necessary strength for a certain structure

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Why Limestone Is Used In Cosmetics BINQ Mining

In addition, limestone is used as an additive to paint and other products, and a source of calcium carbonate which is used in a great deal of products including More detailed why is limestone used as a paint additive

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