Effect of Chopped Basalt Fibers on the Mechanical Properties and Microstructure of High Performance Fiber Reinforced Concrete
Table 5
Summary of the experimental and predictive results.
Specimen labels
Compressive test results
Splitting tensile test results
Flexural test results
Average cube strength (MPa)
Average cylindrical strength (MPa)
Cube strength variation with respect to control
Splitting tensile strength (MPa)
Strength increase with respect to control
Flexural strength (MPa)
Ultimate moment* (N-m)
Palin concrete (prepared by using 100% cement) containing 0, 1, 2, and 3% Basalt fiber volume fractions
PB-0
88.73
73.89
0.83
5.16
—
5.00
900
PB-1
84.71
74.48
0.88
5.16
1.00
6.42
1070
PB-2
89.66
77.26
0.86
5.40
1.05
7.46
1244.33
PB-3
89.36
77.90
0.87
6.00
1.16
5.99
998.33
Silica fume concrete (prepared by using 90% cement and 10% silica fume) containing 0, 1, 2, and 3% Basalt fiber volume fractions
SB-0
102.37
81.17
0.79
6.65
—
5.66
943.33
SB-1
101.74
80.63
0.79
6.71
1.01
6.54
1090
SB-2
100.42
82.68
0.82
6.72
1.01
7.16
1193.33
SB-3
98.92
81.98
0.83
7.99
1.20
6.86
1143.33
Metakaolin concrete (prepared by using 90% cement and 10% metakaolin) containing 0, 1, 2, and 3% Basalt fiber volume fractions
MB-0
101.27
84.85
0.84
5.27
—
5.91
985
MB-1
103.43
81.54
0.79
5.49
1.04
7.09
1181.67
MB-2
101.3
84.96
0.84
5.86
1.11
8.48
1413.33
MB-3
100.97
85.11
0.84
7.18
1.36
8.73
1455
Maximum moment that was achieved by the beam calculated by using the maximum load attained by the beams. Note: each result of compressive strength, tensile splitting strength, and flexural strength presented in this table is an average of 3 specimens. Overall, 108 specimens were tested in this study.
