Table 6a. : Comparative Properties of Fly Ash added and Equivalent OPC Concrete
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Table 6b. Other Properties of Concrete with and Without Fly Ash
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|
The built environ |
|
Trendy article |
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Properties of Concrete |
Concretemix with OPC |
Fly ash Concrete |
|
Slump |
60MM |
70MM |
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Comp. Strength N/mm2 |
|
|
|
7-Days |
20.0 |
23.6 |
|
28-Days |
30.1 |
35.1 |
|
56-Days |
34.6 |
42.2 |
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Drying Shrinkage at 28-DAYS |
2.4 * 10-4 |
1.7 * 10-4 |
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Water Permeability at 28-Days M/Sec. (ISO:3085-1965) |
8.7 * 10-12 6.6 * 10-12 |
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|
Properties |
With Fly ash |
Control (Without Fly ash) |
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Modulus of Elasticity at 28-Day N/MM2 |
2.2 * 104 |
2.71 * 104 |
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pH at 28-Days |
12.05 |
12.23 |
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Drying Shrinkage % |
0.026 |
0.035 |
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Water Permeability at 28-Days M/Sec. |
3.8 * 10-12 |
8.9 * 10-12 |
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Resitivity to Chloride in terms of coloumbs passed in 6 Hrs |
690 |
4800 |
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PAGE 8 |