Concrete mix design as per IS 10262-2009 (M-30)

M-30 CONCRETE MIX DESIGN
As per IS 10262-2009 & MORT&H
A-1	Stipulations for Proportioning
1	Grade Designation	M30
2	Type of Cement	OPC 53 grade confirming to IS-12269-1987
3	Maximum Nominal Aggregate Size	20 mm
4	Minimum Cement Content (MORT&H 1700-3 A)	310 kg/m3
5	Maximum Water Cement Ratio (MORT&H 1700-3 A)	0.45
6	Workability (MORT&H 1700-4)	50-75 mm (Slump)
7	Exposure Condition	Normal
8	Degree of Supervision	Good
9	Type of Aggregate	Crushed Angular Aggregate
10	Maximum Cement Content (MORT&H Cl. 1703.2)	540 kg/㎥
11	Chemical Admixture Type	Superplasticiser Confirming to IS-9103
A-2	Test Data for Materials
1	Cement Used		OPC 53 grade
2	Sp. Gravity of Cement		3.15
3	Sp. Gravity of Water		1
4	Chemical Admixture		Use as per company standards
5	Sp. Gravity of 20 mm Aggregate		2.884
6	Sp. Gravity of 10 mm Aggregate		2.878
7	Sp. Gravity of Sand		2.605
8	Water Absorption of 20 mm Aggregate		0.97%
9	Water Absorption of 10 mm Aggregate		0.83%
10	Water Absorption of Sand		1.23%
11	Free (Surface) Moisture of 20 mm Aggregate		N/A
12	Free (Surface) Moisture of 10 mm Aggregate		N/A
13	Free (Surface) Moisture of Sand		N/A
14	Sieve Analysis of Individual Coarse Aggregates		Separate Analysis Done
15	Sieve Analysis of Combined Coarse Aggregates		Separate Analysis Done
15	Sp. Gravity of Combined Coarse Aggregates		2.882
16	Sieve Analysis of Fine Aggregates		Separate Analysis Done
A-3	Target Strength for Mix Proportioning
1	Target Mean Strength (MORT&H 1700-5)		42 N/m㎡
2	Characteristic Strength @ 28 days		30 N/m㎡
A-4	Selection of Water Cement Ratio
1	Maximum Water Cement Ratio (MORT&H 1700-3 A)		0.45
2	Adopted Water Cement Ratio		0.42
A-5	Selection of Water Content
1	Maximum Water content (10262-table-2)		186 Lit.
2	Estimated Water content for 50-75 mm Slump		160 Lit.
3	Superplasticiser used		0.5 % by wt. of cement
A-6	Calculation of Cement Content
1	Water Cement Ratio		0.42
2	Cement Content (160/0.42)		380 kg/㎥
			Which is greater then 310 kg/㎥
A-7	Proportion of Volume of Coarse Aggregate & Fine Aggregate Content
1	Vol. of C.A. as per table 3 of IS 10262		62.00%
2	Adopted Vol. of Coarse Aggregate		62.00%
	Adopted Vol. of Fine Aggregate ( 1-0.62)		38.00%
A-8	Mix Calculations
1	Volume of Concrete in ㎥		1
2	Volume of Cement in ㎥		0.12
	(Mass of Cement) / (Sp. Gravity of Cement)x1000
3	Volume of Water in ㎥		0.16
	(Mass of Water) / (Sp. Gravity of Water)x1000
4	Volume of Admixture @ 0.5% in ㎥		0.0016
	(Mass of Admixture)/(Sp. Gravity of Admixture)x1000
5	Volume of All in Aggregate in ㎥		0.718
	Sr. no. 1 – (Sr. no. 2+3+4)
6	Volume of Coarse Aggregate in ㎥		0.445
	Sr. no. 5 x 0.62
7	Volume of Fine Aggregate in ㎥		0.273
	Sr. no. 5 x 0.38
A-9	Mix Proportions for One Cum of Concrete (SSD Condition)
1	Mass of Cement in kg/㎥		380
2	Mass of Water in kg/㎥		160
3	Mass of Fine Aggregate in kg/㎥		711
4	Mass of Coarse Aggregate in kg/㎥		1283
	Mass of 20 mm in kg/㎥		924
	Mass of 10 mm in kg/㎥		359
5	Mass of Admixture in kg/㎥		1.9
6	Water Cement Ratio		0.42