InforequiredCheck List Acc to IS 4561Type of Mix, that is design mix concrete/Nominal mix Concrete2Grade designation3Type of Cement4Maximum Nominal size of aggregate5Minimum cement Content6Maximum Water - Cement ratio7Workability8Mix Proprtion9Exposure Conditions as per Table 4 and Table 510Maximum Temperature of Concrete at the time of Placing11Method of Placing12Degree of Supervision13Type of Agg14Maximum Cement content15Whether an admixture shall or shall not be used

CalcModiefied by,Ankit ShrivastavaMix Design for ConcreteGrade = M15C1.Design stipulation:iCharacteristic Compressive strength=15N/mm2iiMaximum size of aggregate=20mmiiiDegree of workability=0.9ivDegree of Control=GoodvType of Exposure=MildviType of Concrete=RCCC2.Target mean strengthStandard deviation "s"=3.5(From Table 1, IS 10262)Accepted Proportion of Low Result=1/20(From Table 2, IS 10262)Tolerance factor "t"=1.65(From Table 2, IS 10262)Target mean strength "fck"=fck + s x t=20.775N/mm2C3. Selection of Water Cement ratioWater Cement ratio=0.58(From fig. 1, Is 10262)Limitation on w/c Ration=0.55minimum Cement Content=300Kg/CUMC4. Test data for materials(i)Cement used=PPC(ii)Specific gravity of Cement=3.15(iii)Specific gravityFine Aggregate=2.6Coarse Aggregate=2.6(iv)Water absorptionFine Aggregate=0.5%Coarse Aggregate=1%(v)Free Surface MoistureFine Aggregate=2%Coarse Aggregate=Nil%(vi)Fine Aggregate confirming=IIIZone the table 4,IS 383- ZoneC5.Selection of water sand content or .8 Compaction factor/WorkabilityApproximate water content=186.00l/m3 (Table 4/5, IS 10262)Sand content as percentage of total aggregate by absolute volume=35.00% (Sand confirming to Grade II)Adjustments (Table 6, IS 10262)Change in contitionAdjustments required inWater Content in percentagePercentage sand in total aggregate(i)For Increase/Decrease in w/c Ratio0-0.3778947368(ii)For sand confirming of table 4, IS 383, Zone0-1.5(iii)For Increase/Decrease in compaction Factor30Total adjustments3-1.8778947368Therefore,Required Sand content=33.12%Required Water content=191.58l/m3C6. Determination of Cement contentWater Cement Ratio=0.58Water Content=191.58ltrCement Content=329.68kgC7. Determination of Fine & Coarse aggregateAir entrapped in concrete=2.00% (From Table 3, IS 10262)Actual quantity of concrete "V"=0.98CumFine aggregateV=W + C/Sc + 1/p * fa/SfaFine aggregate "fa"=588.84kgCoarse aggregateV=W + C/Sc + 1/(1-p) * Ca/ScaCoarse aggregate "Ca"=1188.94kgThen the mix propostion is,CementFine AggregateCoarse AggregateWater329.7588.841188.94191.581.01.793.610.58C8.Actual quantities required for the mix per bag of cementThe mix is 1:1.19:2.57(i)Cement=50.00kg(ii)Fine Aggregate=89.30kg(iii)Coarse Aggregate=180.32kg20 mm=108.19kg10 mm=72.13kg(iv)Watera)For water cement ratio .. quantity of water=29.0552631579ltrb)Extra quantity of water to be added for absorbtion in case of coarse aggregate, at 0.78% by mass=1.80ltrc)Quantity of water deducted for free moisture present in sand, at 2.1% by mass=-1.79ltrd)Actual quantity of water=29.07ltr(v)Actual quantity of Fine Aggregate required after allowing mass of free moisture=91.09kg(vi)Actual quantity of Coarse Aggregate required20 mm=107.56kg10 mm=71.71kgTherfore, the actual quantities of materials required for the mix are;Water=29.07ltrCement=50.00kgFine aggregate=91.09kgCoars Aggregate20 mm=107.56kg10 mm=71.71kgMaterials required for concreteGradeM15Concrete quantity=1CumSl.NoMaterial nameQuantityUnit1Cement329.68kg2Fine Aggregate600.61kg3Coarse Aggregate 20mm709.22kg4Coarse Aggregate 10mm472.81kg5Water191.69ltr6Slump75 - 100mm7W/C ratio0.58Volume of Concrete with 5% wastage=1.05CumSl.NoCost EstimationQuantityStandard market unitsStandard PriceCost1Cement6.9bags33022852Fine Aggregate0.3cum300763Coarse Aggregate 20mm0.5cum12005624Reinforcement165.2Kg4269375Binding wires8.25825Kg423476Plasticizers7Placing of Concrete1.05cum75078810994

Note: Enter the grade of concrete you have to design.Example:For M25 write "25"Note: Enter the maximum size aggregate you have to use.Note: Enter the Compaction factor of concrete.Note: Enter the Specific Gravity of Cement.Note: Enter the Specific Gravity of Fine Aggregate.Note: Enter the Specific Gravity of Coarse Aggregate.Note: Enter the water absorption of Fine Aggregate.Note: Enter the water absorption of Coarse Aggregate.Note: Enter the surface moisture of the fine aggregate (Sand).Note: Enter the sand Zone in number.Example:1 (or) 2 (or) 3 (or) 4Note: Enter the water cement ratio from above graph. Take target mean strength as 28 days compression strength.Note: Enter the % of air entrapped in concrete.Note: Enter required Quantity of concreteexample:10

StndvalueTarget Mean StrengthW/c RatioDiff From ValueCheckInterpolated Value50.3570.30629.582049.9850.30829.210NA49.3090.31228.5340NA48.8370.31628.0620NA48.1950.3227.420NA47.5530.32326.7780NA47.0120.32726.2370NA46.3030.33125.5280NA45.8640.33425.0890NA45.2220.33824.4470NA44.7160.34223.9410NA44.1080.34523.3330NA43.7360.34822.9610NA43.2630.35122.4880NA42.8920.35422.1170NA42.3180.35821.5430NAMinimum Cement Content 20 mm Nominal Maximum Size41.8450.36121.070NAPCCRCC41.3720.36520.5970NAMin CementMax W/CMin CementMax W/C41.0350.36820.260NAMild2200.6-3000.55M 2040.5960.37119.8210NAModerate2400.6M 153000.5M 2540.1230.37319.3480NASevere2500.5M 203200.45M 3039.650.37718.8750NAVery Severe2600.45M 203400.45M 3539.2790.3818.5040NAExtreme2800.4M 253600.4M 4038.840.38418.0650NA38.4350.38717.660NATable 9 IS 45638.0290.39117.2540NATable 1: Suggested Values of Standrad DeviationProportion for Nominal Mix Concrete37.6580.39416.8830NAGrade of ConcreteDegree of ControlGrade of ConcreteTotal Quantity of Dry Agg by Mass per bagTo be taken as the sum of the Individual Masses of Fine and Coarse Agg, KgProportion of Fine agg to Coarse Agg by MassQuantity of Water per 50Kg of Cement, Max37.2190.39716.4440NAVery GoodGoodFairM 5800Generally 1:2 but subject to an upper of 1:1.5 and a lower limit of 1:2.56036.8480.416.0730NA1022.33.3M 7.56254536.6110.40215.8360NA152.53.54.5M 104803436.240.40515.4650NA203.64.65.6M153303235.70.40814.9250NA254.35.36.3M202503035.4640.41214.6890NA3056734.9230.41614.1480NA355.36.37.334.5860.41913.8110NA405.66.67.634.2150.42213.440NA4567833.9110.42513.1360NA506.47.48.433.4720.42912.6970NA556.77.78.733.1680.43212.3930NA606.87.88.832.8310.43512.0560NA32.4260.43911.6510NAIS 10262 Table 2: Values of t32.0210.44211.2460NAAccepted Proportionof Low Resultt31.6490.44510.8740NAA1/50.20.8431.3790.44810.6040NAB1/100.11.2831.110.45110.3350NAC1/150.06666666671.530.7720.4549.9970NAD1/200.051.6530.5020.4579.7270NAE1/400.0251.8630.1310.469.3560NAF1/1000.012.3329.7260.4658.9510NA29.3210.4688.5460NATable 3 : Approximate air Content28.9840.4728.2090NANominal Maximum Sizeof AggregateEntrapped Air, % Volume of Concrete28.7140.4757.9390NA28.2750.4787.50NA10327.9380.4827.1630NA20227.60.4866.8250NA40127.2630.496.4880NA26.9260.4946.1510NATable 4 Approximate Sand & Water content per cum of Concrete for Grade upto M 3526.5880.4975.8130NA26.3520.55.5770NANominal Maximum sizeof aggWater content per cubic mof ConcreteSand as Percentage of Total Agg by Abs Volm25.9470.5045.1720NA25.610.5084.8350NA102084025.3070.5124.5320NA201863525.0030.5154.2280NA401653024.70.523.9250NA24.3970.5243.6220NATable 5 Approximate Sand & Water content per cum of Concrete for Grade above M 3524.0930.5283.3180NA23.8570.5323.0820NANominal Maximum sizeof aggWater content per cubic mof ConcreteSand as Percentage of Total Agg by Abs Volm23.520.5362.7450NA23.2850.542.510NA102002823.0150.5442.240NA201802522.7450.5481.970NA22.5090.5511.7340NA22.2740.5561.4990NA22.0380.5591.2630NA21.7680.5640.9930NA21.4990.5680.7240NA21.3310.5730.5560NA21.1630.5760.3880NA20.8590.580.084Check0.5820.6570.5840.1180NA20.4890.5870.2860NA20.220.5920.5550NA20.0180.5960.7570NA19.8160.60.9590NA19.5810.6051.1940NA19.3450.6091.430NA19.0760.6141.6990NA18.840.6191.9350NA18.5710.6242.2040NA18.4370.6292.3380NA18.1680.6332.6070NA18.1010.6362.6740NA

Stndvalue

Eg.M-25 CONCRETE MIX DESIGNAs per IS 10262-2009 & MORT&HA-1Stipulations for Proportioning1Grade DesignationM252Type of CementOPC 53 grade confirming to IS-12269-19873Maximum Nominal Aggregate Size20 mm4Minimum Cement Content (MORT&H 1700-3 A)310 kg/m35Maximum Water Cement Ratio (MORT&H 1700-3 A)0.456Workability (MORT&H 1700-4)50-75 mm (Slump)7Exposure ConditionNormal8Degree of SupervisionGood9Type of AggregateCrushed Angular Aggregate10Maximum Cement Content (MORT&H Cl. 1703.2)540 kg/m311Chemical Admixture TypeSuperplasticiser Confirming to IS-9103A-2Test Data for Materials1Cement UsedCoromandal King OPC 53 grade2Sp. Gravity of Cement3.153Sp. Gravity of Water14Chemical AdmixtureBASF Chemicals Company5Sp. Gravity of 20 mm Aggregate2.8846Sp. Gravity of 10 mm Aggregate2.8787Sp. Gravity of Sand2.6058Water Absorption of 20 mm Aggregate0.97%9Water Absorption of 10 mm Aggregate0.83%10Water Absorption of Sand1.23%11Free (Surface) Moisture of 20 mm Aggregatenil12Free (Surface) Moisture of 10 mm Aggregatenil13Free (Surface) Moisture of Sandnil14Sieve Analysis of Individual Coarse AggregatesSeparate Analysis Done15Sieve Analysis of Combined Coarse AggregatesSeparate Analysis Done15Sp. Gravity of Combined Coarse Aggregates2.88216Sieve Analysis of Fine AggregatesSeparate Analysis DoneA-3Target Strength for Mix Proportioning1Target Mean Strength (MORT&H 1700-5)36N/mm22Characteristic Strength @ 28 days25N/mm2A-4Selection of Water Cement Ratio1Maximum Water Cement Ratio (MORT&H 1700-3 A)0.452Adopted Water Cement Ratio0.43A-5Selection of Water Content1Maximum Water content (10262-table-2)186 Lit.2Estimated Water content for 50-75 mm Slump138 Lit.3Superplasticiser used0.5 % by wt. of cementA-6Calculation of Cement Content1Water Cement Ratio0.432Cement Content (138/0.43)320 kg/m3Which is greater then 310 kg/m3A-7Proportion of Volume of Coarse Aggregate & Fine Aggregate Content1Vol. of C.A. as per table 3 of IS 1026262.00%2Adopted Vol. of Coarse Aggregate62.00%Adopted Vol. of Fine Aggregate ( 1-0.62)38.00%A-8Mix Calculations1Volume of Concrete in m312Volume of Cement in m30.1(Mass of Cement) / (Sp. Gravity of Cement)x10003Volume of Water in m30.138(Mass of Water) / (Sp. Gravity of Water)x10004Volume of Admixture @ 0.5% in m30.00134(Mass of Admixture)/(Sp. Gravity of Admixture)x10005Volume of All in Aggregate in m30.759Sr. no. 1 (Sr. no. 2+3+4)6Volume of Coarse Aggregate in m30.471Sr. no. 5 x 0.627Volume of Fine Aggregate in m30.288Sr. no. 5 x 0.38A-9Mix Proportions for One Cum of Concrete (SSD Condition)1Mass of Cement in kg/m33202Mass of Water in kg/m31383Mass of Fine Aggregate in kg/m37514Mass of Coarse Aggregate in kg/m31356Mass of 20 mm in kg/m3977Mass of 10 mm in kg/m33805Mass of Admixture in kg/m31.66Water Cement Ratio0.43

NotesFor an average grading of tine aggregate (that is. Zone II of Table 4 of IS 383). the proportions shall be 1: 1 I/,, I:2 and 1:2/, for maximum size of aggregates 10 mm, 20 mm and 40 mm respectivelyThe cement content of the mix specified inTable 9 for any nominal mix shall be proportionatelyincreased if the quantity of water in a mix has to beincrease&o overcome the difficulties of placement andcompaction, so that the water-cement ratio as specifiedis not exceeded.Nominal Mix concrete may be used for Concrete of M 20 or Lower