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Rebar is used to?
Rebar is used to give strength to masonry and concrete constructions. Masonry is this case is concrete blocks. Concrete, block or cast in place, is good for compression forces and not tension. Steel is good in tension or tensile forces and not compression. By combining the constructive elements of concrete with steel, thus reinforced concrete, you get the strengths of both in one medium.
Does blue metal absorb water?
Yes, Usually it absorbs water of 0.5% to 1 % max. This is used for correcting the water content used for producing the mix concrete.
What materials were used when frank Lloyd wright built falling water?
reinforced concrete and stone
What is concrete in architecture?
Concrete is the name commonly given to a mixture between a cementitious material and an aggregate with water added to chemically bond the materials during a curing process.Commonly used materials are portland cement and granite pebbles, with sand and other additives added to improve the concrete quality.The Roman Empire pioneered the use of concrete as a building material, as well as the use of arches to deal with large spans between columns. Concrete deals very well with compressive forces (pushing), but it will not work well against tension and torsion (pulling and turning). To improve this tensile strength; steel bars or cables are usually embedded into the concrete where tension or torsion is likely to occur.For a more complete explanation about concrete, you may try this link:http://en.wikipedia.org/wiki/ConcreteGood luck!
What paint should be used on concrete to resist alkali?
Paints to be used on concrete should be made especially for concrete. This is a very hard surface to cover and keep covered so it is very important a paint made especially for concrete is used.
Why fibers are used in concrete?
to increase the strength of the material and decrease the weight of the material
Why is strength of concrete so important in construction?
The strength of concrete depends on the mix used to make it- ratio of cement, sand, gravel and water. If the mix does not produce a concrete that is strong enough, the concrete will break.
What is the effect of hydration on strength of a concrete?
Excess water (over hydration) causes weak concrete. The water in concrete is there to start a chemical process which results in the hardening process. The excess water is not used in the chemical process and results in a weakened concrete.
Why are bridges made of steel and concrete?
Steel is used for its high tensile strength and the concrete is used for its high compression strength.
What name are concrete admixture?
Mineral admixture are those which are mixed with concrete ingredients and spread through out the body of concrete to favourably modify the properties of concrete . the commonly used mineral admixture are1. Fly ash2. Silica fume3. Rice Husk ash4. matakaoline
What is high strength concrete?
Concrete with compressive strength more than 55 MPa is known as high strength concrete.It is used in the construction of bridges, dams. etc.,High strength concrete is produced by adding normal constituents of concrete with admixtures.
PH of water for making concrete?
The pH of water used in concrete mixing should ideally be between 6 to 8. Water with a pH outside of this range can affect the setting time and strength development of concrete. It is important to use clean water with the appropriate pH to ensure the quality and durability of the concrete.
Is microsilica used in high-strength concrete?
Yes, Silpozz microsilica is commonly used in high-strength concrete to enhance strength and durability, especially for structures that require exceptional performance.
When the process of curing the concrete absorb water?
Water chemically reacts with the cement to form a new compound. The resulting concrete gradually reaches full strength over 28 days, but most of the strength comes in the first 3 days, so that is when most of the water is used and needed.
Concrete is an example of what?
Concrete is a noun category for something physical; a concrete noun.The noun concrete is a material noun, a noun for something used to make other things.The noun concrete is a non-count (mass) noun for a substance; the plural form is used only for types of concrete.The noun concrete is a common noun, a word for any concrete.Concrete is a compound, a mixture of water, cement, and aggregate; a building material used for its strength and endurance.
What are water reducers used for?
Water reducers are used in concrete mixtures to improve workability and reduce the amount of water needed for a given slump. They can help increase the strength and durability of concrete while also reducing the risk of cracking and improving the overall finish of the surface.
What is ductility index of concrete. Where this index is to be used?
it is the ratio of tensile strength to the flexural strength
