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Advances in Materials Science and Engineering
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2017
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Article
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Tab 5
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Research Article
Improvement of the Early-Age Compressive Strength, Water Permeability, and Sulfuric Acid Resistance of Scoria-Based Mortars/Concrete Using Limestone Filler
Table 5
Flexural strengths of the investigated mortars after various curing times.
Mix type
Flexural strength (MPa)
2 days’ curing
7 days’ curing
28 days’ curing
90 days’ curing
VS0LF0
4.8
6.8
7.6
8.1
VS0LF5
3.8
6.4
8
8
VS0LF10
3.5
6.9
7.7
7.6
VS0LF15
2.7
6.1
7.1
7.8
VS10LF0
4.3
5.9
7.4
7.8
VS10LF5
3.6
5.5
7.2
7.6
VS10LF10
3.8
6.0
7.1
7.6
VS10LF15
2.3
5.4
6.5
7.2
VS20LF0
2.8
5.4
6.8
7.3
VS20LF5
3.5
5.1
7.1
7.5
VS20LF10
2.7
5.4
6.7
7.4
VS20LF15
2.2
4.7
6.5
7.5
VS30LF0
2.2
4.9
6.4
7.4
VS30LF5
2.1
4.1
6.3
7.4
VS30LF10
2.2
4.4
6.6
7.3
VS30LF15
1.8
3.8
5.6
7.2