Coarse Aggregate (Kg/m3 ) = 1082.2 (60% of 20 mm, 40% of 10 mm) Admixture (Kg/m3 ) = 4.848. Water Cement Ratio (Kg/m3 ) = 0.45. In the same way, we can calculate the Mix design proportion of M30 concrete, Mix design procedure for M25 grade of concrete, Mix design of concrete M20.
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crushing strength of course aggrgate for m10 concret. crushing strength of course aggrgate for m20 concret. M10, M15 etc., where M stands for Mix and the following number stands for characteristic compressive strength(fck) of concrete in 28 days in the Direct Compression test.For example, If the ratio of M20 concrete is 1:1.5:3, then 1 part of cement, 1.5 parts of sand and 3
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split tensile strength. And 150×150×700 mm beam for flexural strength. Using different percentage demolished crushed coarse 20mm size aggregate for M20 grade of concrete mix were cast and tested as per IS: 516 and 1199. Sr. No. Physical Properties Of OPC53 Grade Cement Result 1. Specific gravity 3.15 2. Standard consistency 33.65 3.
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Answer (1 of 15): 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 (Mpa) of at least three mortar c...
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The strength of M20 grade concrete cast using crushed sand was observed to be 43.38% more than that of cast using natural sand, whereas the percentage increase in the cement consumption per cubic meter of concrete was observed to be 16.03%. The workability of grade M20 concrete in both the cases was approximately the same. •
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crushing strength of course aggrgate for m10 concret. crushing strength of course aggrgate for m20 concret. M10, M15 etc., where M stands for Mix and the following number stands for characteristic compressive strength(fck) of concrete in 28 days in the Direct Compression test.For example, If the ratio of M20 concrete is 1:1.5:3, then 1 part of cement, 1.5 parts of sand and 3
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concrete strength of M20 Grade by partial replacement of cement from 0% to 2.0% with artificial fiber (polypropylene fiber) and from 0% to 2.5% natural fiber (coconut fiber). The mix design of M20 grade concrete was designed as per the method specified in IS 10262-1982. Abhijeet.R.Agrawal[1] observes while decreasing
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As per the above table, we need 250kg of total dry aggregate per 50kg cement bag to produce M20 grade concrete. The general ratio of fine aggregate to coarse aggregate is 1:2, but it can be adjusted between 1:1.5 to 1:2.5 based on the grading of fine aggregate and the size of coarse aggregate. F.A : C.A = 1 : 2. Sand (fine aggregate) = 1 part
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Selecting the correct proportion of ingredients of concrete like cement, fine aggregates, coarse aggregate and water is very essential during mix design, to produce the concrete of desired properties. The grade of cement, type of aggregates being used may vary but the strength is to be achieved as required.
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Strength of RCC is defined as compressive strength after 28 days, expressed as M15, M20, where M stands for Mix and 15 stands for 15 N/mm 2 (n/mm 2 must be read as ''Newton’s per millimeter Cubed) compressive strength at 28 days. The proportions of materials (cement, sand, coarse aggregate) for nominal mix/design mix concrete that are normally used are 1:3:6 or 1:4:8.
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crushing strength of course aggrgate for m10 concret. crushing strength of course aggrgate for m20 concret. M10, M15 etc., where M stands for Mix and the following number stands for characteristic compressive strength(fck) of concrete in 28 days in the Direct Compression test.For example, If the ratio of M20 concrete is 1:1.5:3, then 1 part of cement, 1.5 parts of sand and 3
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The strength of M20 grade concrete cast using crushed sand was observed to be 43.38% more than that of cast using natural sand, whereas the percentage increase in the cement consumption per cubic meter of concrete was observed to be 16.03%. The workability of grade M20 concrete in both the cases was approximately the same. •
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As shown in Figure 15, LECA concrete showed minimum thermal conductivity when used as a whole in place of coarse aggregate while control concrete showed maximum k value, i.e., 2.3 W/mK.
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The strength of M20 grade concrete cast using crushed sand was observed to be 43.38% more than that of cast using natural sand, whereas the percentage increase in the cement consumption per cubic meter of concrete was observed to be 16.03%. The workability of grade M20 concrete in both the cases was approximately the same. •
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mechanical properties of M20 grade concrete integrate waste tyre as coarse aggregate .The compressive strength was tested by using universal testing machine (UTM) for the cube specimens. The specimens were cast with M20 grade concrete using 0%, 5%, 10%, 15%, 20% and 25% partial replacement of waste tyre as coarse aggregate.
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The mix design for M20 grade concrete was done according to IS 10262-2019; Fig 3.1 shows the methodology adopted for assessment of compressive strength of concrete. Aggregate Cement Water Plastic chips Cement concrete mix M20 Partial replacement of coarse aggregate with 10% plastic chips Partial replacement of coarse aggregate with 20% plastic
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The suitability of recycled plastics as coarse aggregate in concrete and its advantages are discussed here. The initial questions arising of the bond strength and the heat of hydration regarding plastic aggregate were solved. Tests were conducted to determine the properties of plastic aggregate such as density, specific gravity and aggregate
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Coarse aggregate ratios for different Zones of Fine aggregates are given in Table 3 of IS10262. These are ratios are valid for 0.5 Water-cement ratio. Table 3 Volume of coarse aggregate to total aggregate ratio for Mix Design of M20 concrete – IS10262. For aggregate = 20mm, Fine aggregate= Zone II, Water-cement ratio = 0.50.
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The strength of M20 grade concrete cast using crushed sand was observed to be 43.38% more than that of cast using natural sand, whereas the percentage increase in the cement consumption per cubic meter of concrete was observed to be 16.03%. The workability of grade M20 concrete in both the cases was approximately the same. •
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Coarse aggregate ratios for different Zones of Fine aggregates are given in Table 3 of IS10262. These are ratios are valid for 0.5 Water-cement ratio. Table 3 Volume of coarse aggregate to total aggregate ratio for Mix Design of M20 concrete – IS10262. For aggregate = 20mm, Fine aggregate= Zone II, Water-cement ratio = 0.50.
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For all type of coarse aggregate, 75 cubes (150 x 150 mm) were cast to permit the compressive strength to be observed at 3, 7, 14, 21, compressive strength of concrete mixes is m15 and m20. From the literature review, it is observed that researches have been attempted on various aspects
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ii) Avg. comp. strength 7 days = 46.5 more than 33.0 OK 28 days = 55.0 more than 43.0 OK. b) COARSE AGGREGATE i) 20mm Graded Type Crushed stone aggregate Specific gravity = 2.68 Water absorption = 1.46 Free (surface) moisture = 0. c) FINE AGGREGATE (Coarse sand) i) Type Natural (Ghaggar) Specific gravity = 2.6 Water absorption = 0.5
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M10 and M20 grade of concrete is used in mass concrete work. M15 is generally used for all purpose of general nature such as RCC slabs, and flooring. M20 and M25 is used for thin RCC members such as precast members, shed roofs, thin shell etc. M35 and M40 are used in pre-stressed concrete structures i.e. for post-tensioned and pre-tensioned
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In this paper shows analysis of compressive strength of M20 and M25 grade of concrete by replacing coarse aggregate by adding non metallic e-waste in 0% to20% and it is observed that some percent non metallic e-waste can be use as a coarse aggregate in concrete. Keywords: Compressive strength, E-waste, Pollution.
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Strength of RCC is defined as compressive strength after 28 days, expressed as M15, M20, where M stands for Mix and 15 stands for 15 N/mm 2 (n/mm 2 must be read as ''Newton’s per millimeter Cubed) compressive strength at 28 days. The proportions of materials (cement, sand, coarse aggregate) for nominal mix/design mix concrete that are normally used are 1:3:6 or 1:4:8.
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The strength of M20 grade concrete cast using crushed sand was observed to be 43.38% more than that of cast using natural sand, whereas the percentage increase in the cement consumption per cubic meter of concrete was observed to be 16.03%. The workability of grade M20 concrete in both the cases was approximately the same. •
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aggregate. Trial mixes were prepared using the crushed over burnt bricks in place of coarse aggregates for M20 concrete to study the compressive strength parameters. The result of 28 days compressive strength of natural stone aggregate concrete at 0.45 and 0.5 water-cement ratio has 21.9 MPa and 20.2 MPa respectively.
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Concrete Mix Design Data Required for Concrete Mix Design (i) Concrete Mix Design Stipulation (a) Characteristic compressive strength required in the field at 28 days grade designation — M 25 (b) Nominal maximum size of aggregate — 20 mm (c) Shape of CA — Angular (d) Degree of workability required at site — 50-75 mm (slump) (e) Degree of quality control available at site — As per IS
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For example, for a grade of concrete with 20 MPa strength, it will be denoted by M20, where M stands for Mix. These grade of concrete is converted into various mix proportions. For example, for M20 concrete, mix proportion will be 1:1.5:3 for cement:sand:coarse aggregates.
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To obtain high strength concrete, coarse aggregate size is usually held to a maximum size of 19 mm, but additional cement is required for the additional surface area. The fine aggregate can generally contain less material passing 300 um and 150 um sieve because of the higher cement content.
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