what is an m20 concrete quora

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What's the difference between C20 and M20 concrete grade ...

Jul 26, 2021  A concrete of Grade C20 means that the concrete will have a compression resistance of 20 N/mm² per square millimeter in 28 days. Proportion for grade C20. C20 is 1:2:4 (1 part cement, 2 parts fine aggregate, and 4 parts coarse aggregate.) where as...

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What is the full details of M20 grade concrete? - Civil ...

Jun 17, 2020  M20 is one of the grades of concrete. M20 is 20Mpa strength which is achieved after 28 days of curing . It is mostly used for residential buildings . Its nominal mix is (1:1.5:3) that. means for 1 bag of cement we mix 1.5 bags of fine aggregate (sand) and 3 bags of course aggregate.

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How much is the compressive strength of M20 and ... - Quora

Grade of concrete M20 is applicable for Reinforced Cement Concrete (RCC) works for slabs, beams, columns and so on. The high strength concrete has its applications for high rise buildings. IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20

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What is the grade of concrete for nominal mix design ...

Jun 29, 2020  From M5 to M25 grade, the concrete proportions are called Nominal mix. Nominal mix is generally adopted for small scale constructions. In this type of mix, the mix ratios and concrete constituent proportions are prefixed and specified. Example - M20 for M20 grade of concrete, the quantity of cement, sand aggregate is batched in volume as per ...

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How many cement bags, sand and aggregate (M20 gradeof ...

Acc. to IS 456 : 2000, Minimum Standard Thickness of slab is 125mm and for Normal height building ( Not highrise building) we use Concrete grade M20. To find out the quantity of cement let's assume:-Thickness of slab = 150mm. Grade of Concrete = M20. Now calculate, Area of slab = 1815 sq ft. Note :- 1 sq ft = 0.092 m². Then, 1815 sq ft = 168 ...

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Grades of Concrete? Different Grades of Concrete? M10, M15 ...

The degree of concrete M20 has an IS 45-2000, which has designated the whole concrete mix to construct items such as footings entirely. WHAT IS M25 GRADE CONCRETE? M25 grade concrete, unlike M15 and M20, is a standard type of grade concrete.M25 grade concrete is a higher grade concrete than M20.

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How much is the compressive strength of M20 and M25 grade ...

Jul 12, 2020  Compressive strength of concrete is the strength attain after 28days(99%of it's strength is gained )in 150×150×150mm standard cube. M20M25.M-refers to design mix and compressive strength of M20M25 is 20N/mm*2and 25N/mm*2.

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What's the difference between C20 and M20 concrete grade ...

Jul 26, 2021  A concrete of Grade C20 means that the concrete will have a compression resistance of 20 N/mm² per square millimeter in 28 days. Proportion for grade C20. C20 is 1:2:4 (1 part cement, 2 parts fine aggregate, and 4 parts coarse aggregate.) where as...

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What is grade of concrete? - Civil engineer interview - Quora

If strength of concrete is 20N/mm2 after 28 days of curing( immersed in water for 28 days) then grade is said to be M20. M20 = 20N/mm2. M30 = 30N/mm2. Similarly grade of concrete available are M20/25/30/40/45/50. So you can say our concrete block tested above is of M25 grade.

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What is the grade of concrete for nominal mix design ...

Jun 29, 2020  From M5 to M25 grade, the concrete proportions are called Nominal mix. Nominal mix is generally adopted for small scale constructions. In this type of mix, the mix ratios and concrete constituent proportions are prefixed and specified. Example - M20 for M20 grade of concrete, the quantity of cement, sand aggregate is batched in volume as per ...

Get price

How much is the compressive strength of M20 and M25 grade ...

Jul 12, 2020  Compressive strength of concrete is the strength attain after 28days(99%of it's strength is gained )in 150×150×150mm standard cube. M20M25.M-refers to design mix and compressive strength of M20M25 is 20N/mm*2and 25N/mm*2.

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What is pervious concrete? - Civil Engineering Tech

M20 is one of the grades of concrete .M20 is 20Mpa strength which is achieved after 28 days of curing.It is mostly used for residential buildings.It’s nominal mix is (1:1.5:3) that means for one bag of cement we mix 1.5 bags of fine aggregate (sand) and three bags of course aggregate.

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What is Ready Mix Concrete? - Anything Informative - Quora

Sep 07, 2020  Exposure conditions,admixtures, control on concrete methods ,water etc. and you have to design such M20 concrete.You have to make concrete cubes using your arrived ratios and put the concrete cubes in water bath and you have to conduct compression tests after28 days.If the test results are not less than 20 N per square millimetre, then you can ...

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What are the properties of reinforced concrete ...

Concrete is good in compression but poor in tension as can be seen from the properties of Concrete. Concrete has limited Shear Strength too. Maximum Tensile Strength in Concrete is given by fct = 0.7√fckN/mm2 i.e. 3.13N/mm2 in case of M20 Grade Concrete.

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Grades of Concrete? Different Grades of Concrete? M10, M15 ...

The degree of concrete M20 has an IS 45-2000, which has designated the whole concrete mix to construct items such as footings entirely. WHAT IS M25 GRADE CONCRETE? M25 grade concrete, unlike M15 and M20, is a standard type of grade concrete.M25 grade concrete is a higher grade concrete than M20.

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What is concrete - civilarchives.quora

Jun 06, 2020  Concrete is a material used for making columns, beams, slabs, waffle forms, panels and many other elements of construction. Those elements are used to make bridges, dams, roads and runways, pipes, docks, pilings, prestressed and precast forms used for making buildings and even canoes and sailboats.

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What is the RMC (Ready Mix Concrete)? How is it beneficial ...

What is the Ready Mix Concrete? Now a days, the use of Ready Mix Concrete (RMC) in large construction work has been continuously increasing. RMC is a concrete that is scientifically manufactured in batching plant and transported to the site by

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How wide is a cement (redi-mix) truck? - Architecture ...

(2) M20 Grade Concrete : 1:1.5:3 is the ratio of materials and will be used for the foundations, Pillar, Beam and Slabs of High Rise Buildings and Commercial Buildings . Strength of Concrete will be 20N/ Sqmm (200kg/Sqcm ) after 28th day. This M15 and M20 are the concrete mix using generally for buildings up to Seven Floors.

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What is pervious concrete? - Civil engineers world - Quora

Image Source : Google Images. Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allowswater from precipitation and other sources to pass directly through, thereby reducing therunoff from a site and allowing groundwater recharge.

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What is the mix ratio for grade C30 concrete? Quora

To make ease in understanding we are finding the Concrete mix design of M20 grade concrete. The Concrete mix ratio for M20 grade of concrete is 1:1.5:3 that mean 1 part of cement, 1.5 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) in volume and then batched for batching.

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What is the modulus of elasticity of concrete? - Quora

Jul 06, 2020  As per Indian code for a given grade of concrete the modulus of elasticity is given by: E c = 5000 f c k. Where E c is static modulus of elasticity and f c k is compressive strength of cube at 28 days. For M20 concrete f c k = 20 MPa. E c = 5000 20 = 22360 MPa.

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What's the difference between C20 and M20 concrete grade ...

Jul 26, 2021  A concrete of Grade C20 means that the concrete will have a compression resistance of 20 N/mm² per square millimeter in 28 days. Proportion for grade C20. C20 is 1:2:4 (1 part cement, 2 parts fine aggregate, and 4 parts coarse aggregate.) where as...

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What are the different grades of concrete and steel used ...

M20 to M40 or even higher grade design mix shall also be used and the grade is purely dependent on various factors such as design , Soil condition , SBC of the soil , Dead and live load of the structure . ... Concrete has incredible compressive strength but it has very little to no ductility or flexibility. ... I request the user on Quora to ...

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What is Ready Mix Concrete? - Anything Informative - Quora

Sep 07, 2020  Exposure conditions,admixtures, control on concrete methods ,water etc. and you have to design such M20 concrete.You have to make concrete cubes using your arrived ratios and put the concrete cubes in water bath and you have to conduct compression tests after28 days.If the test results are not less than 20 N per square millimetre, then you can ...

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What is the modulus of elasticity of concrete? - Quora

Jul 06, 2020  As per Indian code for a given grade of concrete the modulus of elasticity is given by: E c = 5000 f c k. Where E c is static modulus of elasticity and f c k is compressive strength of cube at 28 days. For M20 concrete f c k = 20 MPa. E c = 5000 20 = 22360 MPa.

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What is the mix ratio for grade C30 concrete? Quora

To make ease in understanding we are finding the Concrete mix design of M20 grade concrete. The Concrete mix ratio for M20 grade of concrete is 1:1.5:3 that mean 1 part of cement, 1.5 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) in volume and then batched for batching.

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crushing strength of course aggrgate for m20 concret

What is M20 grade concrete? - Quora Cement does not come under the grading of M20 but concrete does . The grading of cement are 33 43 and 53 The grade 43 and 53 in cement mainly corresponds to the average compressive strength attained after 28 days 6724 hours in mega pascals M. Kolkata Crushing Strength Of M20 Concrete

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What are the different losses observed in prestressed ...

Sep 18, 2020  USE OF HIGH STRENGTH CONCRETE AND HIGH TENSILE STEEL. Instead of using ordinary concrete (M20 and M25) and mild steel, in prestressed concrete, high strength concrete and high tensile steel are used. The reasons for using high strength concrete (M30 and above) are: In high strength concrete elastic strain, shrinkage and plastic flow are much small.

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how much ratio of cement and concrete in m10

Concrete Mix Ratio by Volume. Concrete mix ratios are prescribed ratio of cement, sand and aggregate to get the desired strength in concrete. The volumetric mix ratio of M20 concrete is 1:1.5:3, hence 1 part of cement, 1.5 part of sand and 3 part of aggregate in volume is needed to prepare M20 grade concrete.

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What is pervious concrete? - Civil engineers world - Quora

Image Source : Google Images. Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allowswater from precipitation and other sources to pass directly through, thereby reducing therunoff from a site and allowing groundwater recharge.

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Concrete Mix Design Calculation - M20, M25, M30 ...

Concrete mix design is the process of finding right proportions of cement, sand and aggregates for concrete to achieve target strength in structures. So, concrete mix design can be stated as Concrete Mix = Cement:Sand:Aggregates. The concrete mix design involves various steps, calculations and laboratory testing to find right mix proportions.

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What is meant m15 ,m20 ,m25 concrete what are standard mix ...

Jan 04, 2014  Potable water can be used for manufacturing concrete. The w/c ratio (mass ratio of water to cement) is the key factor that determines the strength of concrete. A lower w/c ratio will yield a concrete which is stronger and more durable, while a higher w/c ratio yields a concrete with a larger slump, so it may be placed more easily.

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What is the minimum grade of concrete for RCC work ...

Minimum grade of concrete used in RCC as per IS 456: 2000 – According to IS 456:2000 recommended that minimum Grade of concrete used for RCC is not less than M20. This is the minimum grade of concrete for RCC with ratio 1:1.5:3 means 1 part of cement,1.5 parts of fine aggregate (sand) and 3 parts of coarse aggregate.

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How wide is a cement (redi-mix) truck? - Architecture ...

(2) M20 Grade Concrete : 1:1.5:3 is the ratio of materials and will be used for the foundations, Pillar, Beam and Slabs of High Rise Buildings and Commercial Buildings . Strength of Concrete will be 20N/ Sqmm (200kg/Sqcm ) after 28th day. This M15 and M20 are the concrete mix using generally for buildings up to Seven Floors.

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What Is Cement, Sand, Aggregate Ratios In Concrete Mixing ...

What is cement, sand, aggregate ratios in concrete mixing? - Quora. How much cement sand aggregate required for M20 concrete - Civil Sir.

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