Monday 6 August 2018

M-30 Mix Designs as per IS-10262-2009


M-30 Mix Designs as per IS-10262-2009


Following table shows the M-30 Mix Designs as per IS-10262-2009, hope this helps all civil engineers here
M-30 CONCRETE MIX DESIGN
As per IS 10262-2009 & MORT&H
A-1
Stipulations for Proportioning
1
Grade DesignationM30
2
Type of CementOPC 53 grade confirming to IS-12269-1987
3
Maximum Nominal Aggregate Size20 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 ConditionNormal
8
Degree of SupervisionGood
9
Type of AggregateCrushed Angular Aggregate
10
Maximum Cement Content (MORT&H Cl. 1703.2)540 kg/m3
11
Chemical Admixture TypeSuperplasticiser Confirming to IS-9103
A-2
Test Data for Materials
1
Cement UsedCoromandal King OPC 53 grade
2
Sp. Gravity of Cement3.15
3
Sp. Gravity of Water1.00
4
Chemical AdmixtureBASF Chemicals Company
5
Sp. Gravity of 20 mm Aggregate2.884
6
Sp. Gravity of 10 mm Aggregate2.878
7
Sp. Gravity of Sand2.605
8
Water Absorption of 20 mm Aggregate0.97%
9
Water Absorption of 10 mm Aggregate0.83%
10
Water Absorption of Sand1.23%
11
Free (Surface) Moisture of 20 mm Aggregatenil
12
Free (Surface) Moisture of 10 mm Aggregatenil
13
Free (Surface) Moisture of Sandnil
14
Sieve Analysis of Individual Coarse AggregatesSeparate Analysis Done
15
Sieve Analysis of Combined Coarse AggregatesSeparate Analysis Done
15
Sp. Gravity of Combined Coarse Aggregates2.882
16
Sieve Analysis of Fine AggregatesSeparate Analysis Done
A-3
Target Strength for Mix Proportioning
1
Target Mean Strength (MORT&H 1700-5)42N/mm2
2
Characteristic Strength @ 28 days30N/mm2
A-4
Selection of Water Cement Ratio
1
Maximum Water Cement Ratio (MORT&H 1700-3 A)0.45
2
Adopted Water Cement Ratio0.42
A-5
Selection of Water Content
1
Maximum Water content (10262-table-2)186 Lit.
2
Estimated Water content for 50-75 mm Slump160 Lit.
3
Superplasticiser used0.5 % by wt. of cement
A-6
Calculation of Cement Content
1
Water Cement Ratio0.42
2
Cement Content (160/0.42)380 kg/m3
Which is greater then 310 kg/m3
A-7
Proportion of Volume of Coarse Aggregate & Fine Aggregate Content
1
Vol. of C.A. as per table 3 of IS 1026262.00%
2
Adopted Vol. of Coarse Aggregate62.00%
Adopted Vol. of Fine Aggregate ( 1-0.62)38.00%
A-8
Mix Calculations
1
Volume of Concrete in m31.00
2
Volume of Cement in m30.12
(Mass of Cement) / (Sp. Gravity of Cement)x1000
3
Volume of Water in m30.160
(Mass of Water) / (Sp. Gravity of Water)x1000
4
Volume of Admixture @ 0.5% in m30.00160
(Mass of Admixture)/(Sp. Gravity of Admixture)x1000
5
Volume of All in Aggregate in m30.718
Sr. no. 1 – (Sr. no. 2+3+4)
6
Volume of Coarse Aggregate in m30.445
Sr. no. 5 x 0.62
7
Volume of Fine Aggregate in m30.273
Sr. no. 5 x 0.38
A-9
Mix Proportions for One Cum of Concrete (SSD Condition)
1
Mass of Cement in kg/m3380
2
Mass of Water in kg/m3160
3
Mass of Fine Aggregate in kg/m3711
4
Mass of Coarse Aggregate in kg/m31283
Mass of 20 mm in kg/m3924
Mass of 10 mm in kg/m3359
5
Mass of Admixture in kg/m31.90
6
Water Cement Ratio0.42

We are thankful to Er. Raj M. Khan for sharing this information with us on engineeringcivil.com. We hope this would be of great significance to civil engineers.

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