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The Scientific World Journal
/
2014
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Article
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Tab 3
/
Research Article
Effects of Using Silica Fume and Polycarboxylate-Type Superplasticizer on Physical Properties of Cementitious Grout Mixtures for Semiflexible Pavement Surfacing
Table 3
Selected designs and flexural strength of cementitious grout mixtures.
Grout mixture design
Percentage of SP (%)
Water/cement ratio
Flowability (s)
Compressive strength (N/mm
2
)
Flexural strength (N/mm
2
)
1 day
28 days
7 days
28 days
95% OPC + 5% SF
1.5
0.30
18.0
55.4
91.7
6.5
7.2
95% OPC + 5% SF
2.0
0.30
15.0
57.5
92.5
6.7
9.1
95% OPC + 5% SF
2.0
0.32
14.2
57.1
91.5
5.8
8.3
100% OPC
2.0
0.30
19.3
59.3
87.2
3.8
6.1