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Table 6 Cockle Shell Mixture Ratio
Ratio Material
1 Cement
2 Sand/Cockle Shells(CS)
CS 0% CS 4% CS 6% CS 8% CS 10% CS 12%
4 Aggregate
For each percentage concrete mixture, three (3) samples were cast in 150mm x 150mm cubes and after 24
hours of moulding, the cubes were demoulded. Then, cubes were placed in water curing tank until age of testing.
Figure 5 Concrete Cube Test
3.3 Testing Method
3.3.1 Compressive Strength
Figure 6 Compressive Strength Test
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