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Sheet1LANCO INFRATECH LIMITEDLANCO HILLS TECHNOLOGY PARK PROJECT, MANIKONDAMIX DESIGN ( Normal Mix )Mix Reference:TM-86Designed By:RavikumarGrade of Concrete:M-50Date:22.01.2008Maximum Size of Aggregate:20mmBasic Data:Brand / Type of Cement::Kesoram (53Grade OPC)Specific Gravity of Cement::3.15Micro Silica(Elkem-920D)2.3Type of Fine aggregate (I)::Natural / River SandSource of Fine aggregate: (I):VijayawadaSpecific gravity of Fine aggregate: (I):2.58Water Absorption of Fine Aggregate: (I)1.20%Type of Fine aggregate (I):aggregate (II):CrushedISpecipic gravity of Fine aggregate:(II)2.58Water Absorption of Fine Aggregate: (II):1.11%Type of Coarse Aggregate::CrushedSource of coarse aggregate::LHTPPL CrusherSpecific gravity of coarse aggregate:(Type-1):2.65Specific gravity of coarse aggregate:(Type-2)2.62Combined Specific gravity of C.A & F.A:2.613Size of Coarse Aggregate: (Type I):20mmWater Absorption of Coarse Aggregate (Type I)::0.20%Size of Coarse Aggregate: (Type II):12.5 mmWater Absorption of Coarse Aggregate (Type II)::0.40%Percentage of Fine aggregate (I) in Total Aggregate:24.0%Percentage of Fine aggregate (II) in Total Aggregate 15.0%16.0%Percentage of 20mm in Total Aggregate:30.0%Percentage of 10mm in Total Aggregate:of 12.5mm in Total Aggregate:30.0%Admixture::Glenium -B233% Admixture on weight of cementitious material::0.55%Mix ProportionsTotal cementious material:460KgCement:430KgMicro Silica:30KgFree Water.:174KgWater for Absorption:10KgTotal Water:184.0KgAdmixture:2.53KgRiver sand:414KgCRS:275Kg20mm:517kg12.5mm:517KgMix Ratio:Cement:SandCoarse Aggregate( By Weight )11.4982.248Water Cementitious Ratio:Free W/C Ratio:0.378Total W/C Ratio:0.400(QA/QC ENGINEER)

Sheet2LANCO INFRATECH LIMITEDLANCO HILLS TECHNOLOGY PARK PROJECT, MANIKONDACONCRETE MIX DESIGN - CALCULATION SHEET(IT-6)Grade of ConcreteM-50A.Maximum size of Aggregate20mmB.Characteristic Compressive Strength50MPaC.Standard Deviation:5D.Target Mean Strength: (B) + (1.65 x C)58.25MPaE.Requirement of water per cum of concrete174LitresF.Water - cement ratio for the above Target Strength0.378G.Cement Content obtained from the above460Kgs(E) / (F)H.Minimum Cement Content as per IS 456-2000(for moderate Exposure)I.Cement Content as per SpecificationNilKgsJ.Cementitious Content finalised460KgsKAbsolute Volumes occupied as per the below given table)MaterialSpecific GravityWeightAbsolute VolumeCement3.154300.137Micro silica2.09300.014Water11740.174Entrapped Air (2%)0.020LTotal volume occupied by Cement + Water+Air0.345MBalance Volume to be occupied by aggregates:1.000 - (I)0.655NVolumes occupied by each aggregates (as per the grading)River SandCRF20 mm aggregate10 mm aggregateGrading:24.016.030.030.0Absolute Volumes (obtained as product of M and above value):0.1570.1050.1970.197OWeights of Aggregates (calculated from the absolute volume)(as per the below given table)MaterialCombined Spec. GravityAbsolute VolumeWeight in Kgs.River Sand2.6340.158414CRS0.10527520mm0.197517`10 mm0.197517Total Density of Fresh Concrete (Cement+Aggregates+Total Water)2371Kg/m3Mix Proportions:CementitiousWaterFree W/C Ratio4601740.378`CementFine AggregateCoarse AggregateAgg / Cement Ratio1.001.4982.2483.746(QA/QC ENGINEER)

Sheet3LANCO INFRATECH LIMITEDLANCO HILLS TECHNOLOGY PARK PROJECTMANIKONDAMIX OBSERVATIONS & COMPRESSIVE STRENGTH REPORTSL.NOGRADE OF CONCRETEDESCRIPTIONDATE OF CASTINGDATE OF TESTINGAGE IN DAYSWEIGHT (Kg)DENSITYLOAD (KN)STRESS (Mpa)AVG. STRESS (Mpa)1M-50W/C ratio :0.4022.01.200825.01.200838.1172.40588039.112cement(Kesoram) :413kgs8.0002.37085037.7839.413Free water :174 Kgs8.1032.40093041.334River Sand :413 Kgs.CRF :276Kgs14.02.200878.1362.410130057.78520mmaggregates :519Kgs8.0942.397111049.3354.96612.5mmaggregates :519Kgs8.1402.411130057.78.7Admixture:Glenium -B233 (0.4%), : 1.84kg06.03.2008288.1342.410152067.5688.1482.414153068.0067.4198.1362.410150066.67