LANCO INFRATECH LIMITED

MIX DESIGN( Self compacting concrete )Mix Reference: SCC-075 Designed By: Giridhar YadavGrade of Concrete: M 55 Date: 02.07.08Maximum Size of Aggregate: 20mmBasic Data:

Brand / Type of Cement: : RASI GOLD(PPC)Specific Gravity of Cement: : 3.15Specific Gravity of Micro Silica 2.09Type 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 Coarse Aggregate: : CrushedSource of coarse aggregate: : LHTPPL CrusherSpecific gravity of coarse aggregate: (Type-1) : 2.655Specific gravity of coarse aggregate: (Type-2) 2.623Combined Specific gravity of C.A & F.A : 2.616Size 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 : 45.0%Percentage of 20mm in Total Aggregate : 22.0%Percentage ofof 12.5mm in Total Aggregate : 33.0%Admixture: :Make of Admixture: : BASF% Admixture on weight of cementitious material: : Glenium B233(1.2%)Glenium Stream-2(VMA) : 0.25%% Admixture on weight of cementitious material: :

Mix ProportionsTotal cementious material : 595 KgCement : 570 KgMicro silica : 25 KgFree Water. : 161 KgWater for Absorption : 12 KgTotal Water : 173.0 KgAdmixture : 7.44 KgVMA : 1.49 KgSand : 737 Kg20mm : 360 kg12.5mm : 540 Kg

Mix Ratio: Cement : Sand Coarse Aggregate ( By Weight ) 1 1.23 1.51 Water Cementitious Ratio:

Free W/C Ratio: 0.27Total W/C Ratio: 0.29

(QA/QC MANAGER)

LANCO INFRATECH LIMITED LANCO HILLS TECHNOLOGY PARK PROJECT, MANIKONDA CONCRETE MIX DESIGN - CALCULATION SHEET(IT-6)

Grade of Concrete M 55

A.Maximum size of Aggregate 20 mmB.Characteristic Compressive Strength 55 MPaC.Standard Deviation: 5D. 63.25 MPaE.Requirement of water per cum of concrete 161 Litres

F.Water - cement ratio for the above Target Strength 0.27

G.Cement Content obtained from the above 595 Kgs(E) / (F)

H.Minimum Cement Content as per IS 456-2000(for moderate Exposure)

I. Cement Content as per Specification Nil KgsJ. Cementitious Content finalised 595 Kgs

K Absolute Volumes occupied as per the below given table)Material Specific Gravity Weight Absolute Volume

Cement 3.15 570 0.181Micro silica 2.09 25 0.012Water 1 161 0.161Entrapped Air (2%) 0.020

L Total volume occupied by Cement + Water+Air 0.374MBalance Volume to be occupied by 1.000 - (I) 0.626N Volumes occupied by each aggregates (as per the grading)

River Sand 0 20 mm aggregate 10 mm aggregateGrading:

45.0 22.0 33.0

0.282 0.000 0.138 0.207O Weights of Aggregates (calculated from the absolute volume)

(as per the below given table)Material Combined Spec. GraviAbsolute Volume Weight in Kgs.River Sand

2.6160.282 737

20mm 0.138 36010 mm 0.207 540Total Density of Fresh Concrete (Cement+Aggregates+Total Water) 2406Mix Proportions:

Cement Water Free W/C Ratio625 163 0.260

Cement Fine Aggregate Coarse Aggregate Agg / Cement Ratio1.00 1.18 1.44 2.621

Target Mean Strength: (B) + (1.65 x C)

Absolute Volumes (obtained as product of M and above value):

Kg/m3

(QA/QC MANAGER)

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LANCO INFRATECH LIMITED LANCO HILLS TECHNOLOGY PARK PROJECT MANIKONDA

MIX OBSERVATIONS & COMPRESSIVE STRENGTH REPORT

DESCRIPTION

V-Funnel

DENSITY

1 M-55 W/C ratio :0.27% 02.07.08 05.07.08 3 8220 24.36 860 38.222 Cement(RASIGOLD(PPC)) 570kgs 8440 25.01 870 38.67 38.81

3 Free water :161 Kgs743 mm

8620 25.54 890 39.554 Water Absorption 12Kg 09.07.08 7 8400 24.89 1070 47.555 Total water 173 Kg 8350 24.74 1090 48.44 48.296 SAND 737 Kg 8470 25.10 1100 48.897 Micro silica : 25Kg 30.07.08 28 8460 25.07 1470 65.338 20 mmaggregates 360 Kgs 8490 25.16 1460 64.89 65.33

9 12.5 mmaggregates :540 Kgs 8480 25.13 1480 65.78

10 Admix:Glenium B233(1.25%),7.44 kg

11 V M A (0.25%), 1.49 kg BY ACT METHODE(D.O.T-04.07.08)

8375 24.815 1200 53.33

8510 25.215 1180 52.44 52.29

8206 24.314 1170 52.00

SL.NO

GRADE OF CONCRETE

FlOW TEST

L-BOX TEST DATE OF

CASTINGDATE OF TESTING

AGE IN

DAYSWEIGHT

(Kg)LOAD (KN)

STRESS (Mpa)

AVG. STRESS

(Mpa)

H2/H1= 1.08

9.09 seconds

BY EQUATION =8.09+1.64(52.59)=94.34 N/mm2