Table 3 Statistical results of test versus predicted shear strength ratios.
Ref. no | Formula | Type of steel fiber | |||||||
|---|---|---|---|---|---|---|---|---|---|
Straight wire | Crimped/indented wire | Deformed cut sheet | Ingot mill | ||||||
Average | Variation | Average | Variation | Average | Variation | Average | Variation | ||
(1) | 1.073 | 0.293 | 1.032 | 0.210 | 1.042 | 0.251 | 1.144 | 0.084 | |
(2–3) | 1.224 | 0.269 | 1.181 | 0.217 | 1.091 | 0.253 | 1.265 | 0.135 | |
(4) | 1.024 | 0.256 | 0.937 | 0.178 | 0.912 | 0.285 | 0.957 | 0.113 | |
(5) | 0.936 | 0.295 | 0.877 | 0.226 | 0.902 | 0.285 | 0.826 | 0.088 | |
(6–7) | 1.252 | 0.337 | 1.042 | 0.217 | 1.056 | 0.269 | 1.214 | 0.343 | |