CONCRETE MIX DESIGN
SPECIFICATION DETAILS
|
Class of concrete |
40N/mm Sq |
|
Type of Cement |
OPC |
|
Max.Aggregate Size (mm) |
20 |
|
Max.Cement Content (kg) |
450 |
|
Max.Water- Cement-Ratio |
0.45 |
|
Slump (mm) |
150±25MM |
|
Fine Aggregate Type |
Washed sand |
|
Coarse Aggregate Type |
Gabbro |
MIX DESIGN DETAILS
|
Materials |
Source |
Quantity / Limits |
|
Cement |
Q.N.C.C. |
410 |
|
Fine Aggregate (kg) |
Q.S.T.P. |
760 |
|
Aggregate 20 mm (kg) |
Q.Q.B.M. |
740 |
|
Aggregate 10 mm (kg) |
GULFROCKS |
420 |
|
Water (ltr) |
GOVT. |
157 |
|
Admixture – Rheobuild857 (ltr) |
BASF |
5.15 |
|
Water-Cement Ratio |
|
0.38 |
· All Concrete produce and transport in a accordance with BS 5328.
· Water content will be adjusted as per moisture & water absorption of aggregates.
· The free W/C ratio be adjusted water contained in admixtures.
· A portion of water may be replaced by flacked ice to maintain the concrete temperature.
· Admixture dose rate may be varied depend on temperature and distance to site.
· Bin Sraiya Ready Mix reserve the rights to vary mix design within the specification limits.
· The source of materials refer to those used in current production.