Research Article
Experimental Study of High-Strength Steel Fiber Lightweight Aggregate Concrete on Mechanical Properties and Toughness Index
Table 5
First-crack flexural strength and toughness indices.
| Specimen | CECS13:2009/(ASTM C1018) | JCI-SF4 | /(I5) | /(I10) | /(I30) | | | | T150 (N·mm) | (MPa) |
| M0.5 | 5.19 | 10.57 | 27.91 | 1.10 | 1.08 | 0.86 | 24.07 | 3.64 | M1.0 | 5.27 | 10.89 | 28.90 | 1.14 | 1.20 | 0.92 | 31.67 | 4.75 | M1.5 | 5.44 | 11.15 | 30.75 | 1.22 | 1.26 | 1.05 | 38.76 | 5.78 | M2.0 | 5.58 | 11.56 | 31.42 | 1.23 | 1.28 | 1.20 | 42.63 | 6.42 | H0.5 | 3.87 | 6.19 | 12.01 | 0.44 | 0.15 | 0.00 | 7.86 | 1.18 | H1.0 | 5.35 | 10.03 | 20.82 | 1.18 | 1.01 | 0.37 | 19.07 | 2.86 | H1.5 | 5.48 | 10.43 | 22.49 | 1.24 | 1.10 | 0.48 | 24.05 | 3.61 | H2.0 | 5.76 | 11.38 | 23.96 | 1.38 | 1.31 | 0.58 | 28.08 | 4.21 | C0.5 | 3.02 | 4.86 | 11.57 | 0.01 | 0.00 | 0.00 | 6.98 | 1.05 | C1.0 | 3.96 | 6.86 | 17.07 | 0.48 | 0.30 | 0.11 | 13.99 | 2.10 | C1.5 | 4.60 | 8.49 | 19.73 | 0.80 | 0.66 | 0.29 | 18.87 | 2.73 | C2.0 | 4.82 | 9.64 | 25.78 | 0.91 | 0.92 | 0.71 | 21.78 | 3.27 |
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