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Theoreticallyconcreteof nominal mix 1:2:4 requires 6.4 bags ofcement. ButM15 grade concreteis different in the sense that mix design has to be conducted in laboratory to ascertain thecementrequired per cubic metre. However IS 456: 2000 specifies aminimum cement contentof 300 kg/Cumbria forM20 grade concrete.
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For example, for agradeofconcretewith 20MPa strength, it will be denoted by M20, where M stands for Mix. Thesegradeofconcreteis converted into various mix proportions. For example, forM20 concrete,mix proportionwill be 1:1.5:3 forcement:sand:coarse aggregates.
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Thegradeofconcretefor variousconcrete proportionsare M10 - 1:3:6(Cement:Fine aggregate:Coarse aggregate)M15- 1:2:4 M20 - 1:1.5:3M25- 1:1:2 Asked in Civil Engineering What is nominal mix ...
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Mar 09, 2020· OfPlane Cement ConcreteWork withGradedStone Chips ForM10 Grade:- (10 CU M)[email protected] cu.m or 45 Bags Sand @ 4.62 cu.m or 133 Bags Stone Chips @ 9.24 cu.m. or 266 Bags. ForM15 Grade:- (10 CUM )[email protected] 2.2 cu.m or 65 Bags Sand @ 4.4 cu.m or 127 Bags Stone Chips @ 8.8 cu.m. or 254 Bags.
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Hence in order to prepare 1 cubic meter of M20,M15andM10 concreteyou need 1.57 cubic meters of “total dry volume:” ofcement, sand and aggregate and incase ofM7.5andM5 concreteyou need 1.52 cubic meters total dry volume ofcement sandand aggregate.
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With constant research and development in the field ofcementtechnology and its manufacturing process ,a M20 mix of “1:1.5:3″(by volume) would be too rich,over engineered and uneconomical (~7.5 bags ofcementper cum) and will ultimately result into aM30 concreteand above, the reason being latest generation of53 grade OPC cementis ultimately giving a strength of 65 to 70 MPa at 28days.
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May 17, 2017· TheConcrete mix ratioforM20 gradeofconcreteis 1:1.5:3 that mean 1 part ofcement, 1.5 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) …
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IS 456–2000 has designatedconcretemix into a number of grades like M10,M15, M20, M25 etc. Here M refer to Mix Ratio For M10 it is (1:3:6) ForM15(1:2:4) For M20 (1:1.5:3) For M25 (1:1:2) Note- M25concretemix will attain a characteristic comp...
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2- Ordinarygradeofconcrete. M10GRADE. The mix ratio is 1:3:6 (1Cement, 3 Sand and 6 Aggregate) It is used as PCC (PlainCement Concrete) Application/use: – It can be used in the construction of Levelling course, bedding for footing,concreteroads, etc.M15 GRADE. The mix ratio is 1:2:4 (1Cement, 2 Sand and 4 Aggregate)
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So, suitablegradeofconcretecan be selected based on structural requirements. Nominal mixes for grades ofconcretesuch asM15, M20, M25 are generally used for small scale construction. Large structures have high strength requirements, thus they go for higher grades ofconcretesuch as M30 and above. The mix proportions of these concretes ...
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Mar 09, 2020· ForM15 Grade:- (10 CUM )[email protected] 2.2 cu.m or 65 Bags Sand @ 4.4 cu.m or ... The Following are the Quantity OfMaterialsRequired for theConcreteWorks Of Different Types allconcrete...Material consumption norms for various civilworks View attachment 2332 i have noticed in my experience quite a lot of engineers and supervisors are not ...
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For M10 (1:3:6)Gradeofconcrete cementbag consumed = 4.4 bags/cumM15(1:2:4)Gradeofconcrete cementbag consumed = 6.6 bag/cum M20(1:1.5:3)Gradeofconcrete cement…
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May 17, 2017·Concrete Mix designof M5, M7.5, M10,M15, M20, M25, M30 and higher grades ofconcreteis calculated as below: The procedure for finding the different grades ofconcretemixes are same. The below mentioned method can be applied to anygradeofconcreteby changing the values. To make ease in understanding we are finding theConcrete mix design...
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Example calculation Estimate the quantity ofcement, sand and stone aggregate required for 1 cubic meter of 1:2:4concretemix. Ans.Materialsrequired are 7 nos. of 50 kg bag ofcement, 0.42 m 3 of sand and 0.83 m 3 of stone aggregate.
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May 13, 2015·concrete grade: m5 = 1:4:8 m10= 1:3:6m15= 1:2:4 m20= 1:1.5:3 m25= 1:1:2 clear cover to main reinforcement: 1.footings : 50 mm 2.raft foundation.top : 50...
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Answer / adishankar (quantity surve. DETAILS:cement= 1, sand = 2 metal = 4 so wat is the ratio we want mixing (1:2:4)=1+2+4=7 7 is mixing propotion volume of wetcementconceret is 1.54 to 1.57
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The general expression for the proportions ofcement, sand and coarse aggregate is 1 : n : 2n by volume. 1 : 1 : 2 and 1 : 1.2 : 2.4 for very high strength. 1 : 1.5 : 3 and 1 : 2 : 4 for normal works. 1 : 3 : 6 and 1 : 4 : 8 for foundations and massconcreteworks. Recommended Mixes ofConcrete. Theconcreteas per IS 456: 2000, the grades of ...
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Thegradeofconcretefor variousconcreteproportions are M10 - 1:3:6 (Cement:Fine aggregate:Coarse aggregate)M15- 1:2:4 M20 - 1:1.5:3 M25 - 1:1:2 Among theseuseM20gradethat should be ...
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