Ref No: 86/FMBL/2017 Date: 10/12/2017
Managers
Ready Mix-Concrete
Subject: Recommendations for Mix design
To reduce abnormal behavior of concrete, we were intensively monitoring and researching on Concrete Mix designs and planned to assign cement & water cement ratio fixed for concrete grades.
|
Compressive strength class cube |
Cement (OPC / SRC) |
Water / Cement ratio |
|
C30 |
370 |
0.44 |
|
C35 |
380 |
0.42 |
|
C40 |
400 |
0.40 |
|
C45 |
420 |
0.36 |
|
C50 |
430 |
0.35 |
Following above mentioned chart you must submit mix design to us immediately. We know out of these, concrete strengths may vary due to aggregate sizes and quality also.
So, you are instructed to inform us during any changes of suppliers or materials.
With this you are also instructed to mention on Concrete Delivery Slip
1. Actual Concrete grade (As per Batch Plant)
2. Client details
3. Plot no
4. Location
5. Structure
Chief of Lab