## 3 Database and Models
### Data Collection
 } & \multicolumn{6}{c}{**Steel Fiber**} & \multicolumn{6}{c}{**\(\ast\)**CS**} & \multicolumn{6}{c}{**Reference**} \\ \cline{3-10}  & & **\(\ast\) W/B** & \(\ast\) D/mm & \(\ast\) L/mm & \(\ast\) \(AR\) & \(\ast\) \(VF\%\) & \(\ast\) PCS & \(\ast\) CS & **Reference** \\ \hline
1 & & 0.30 & 0.20 & 13.00 & 65.00 & 0.00 & 94.17 & 94.17 & [9] \\
2 & & 0.30 & 0.20 & 13.00 & 65.00 & 0.50 & 94.17 & 96.13 & [9] \\
3 & & 0.30 & 0.20 & 13.00 & 65.00 & 1.00 & 94.17 & 98.90 & [9] \\
4 & & 0.30 & 0.20 & 13.00 & 65.00 & 2.00 & 94.17 & 103.05 & [9] \\
5 & & 0.25 & 0.20 & 13.00 & 65.00 & 0.00 & 103.05 & 120.17 & [9] \\
6 & & 0.25 & 0.20 & 13.00 & 65.00 & 0.50 & 103.05 & 122.90 & [9] \\
7 & & 0.25 & 0.20 & 13.00 & 65.00 & 1.00 & 103.05 & 127.80 & [9] \\
8 & \multicolumn{2}{c}{Cylinder} & \multicolumn{2}{c}{0.25} & \multicolumn{2}{c}{0.20} & \multicolumn{2}{c}{13.00} & \multicolumn{2}{c}{65.00} & \multicolumn{2}{c}{2.00} & \multicolumn{2}{c}{103.05} & \multicolumn{2}{c}{133.19} & [9] \\
9 & \multicolumn{2}{c}{\(\mathrm{D}\times\mathrm{H}\,100\) mm \(\times\)} & \multicolumn{2}{c}{0.20} & \multicolumn{2}{c}{13.00} & \multicolumn{2}{c}{65.00} & \multicolumn{2}{c}{0.00} & \multicolumn{2}{c}{168.27} & \multicolumn{2}{c}{168.27} & \multicolumn{2}{c}{[9]} \\
10 & 200 mm & 0.20 & 0.20 & 13.00 & 65.00 & 0.50 & 168.27 & 174.27 & [9] \\
11 & & 0.20 & 0.20 & 13.00 & 65.00 & 1.00 & 168.27 & 179.28 & [9] \\
12 & & 0.20 & 0.20 & 13.00 & 65.00 & 2.00 & 168.27 & 182.31 & [9] \\
13 & & 0.17 & 0.20 & 13.00 & 65.00 & 0.00 & 220.98 & 220.98 & [9] \\
14 & & 0.17 & 0.20 & 13.00 & 65.00 & 0.50 & 220.98 & 225.83 & [9] \\
15 & & 0.17 & 0.20 & 13.00 & 65.00 & 1.00 & 220.98 & 234.15 & [9] \\
16 & & 0.17 & 0.20 & 13.00 & 65.00 & 2.00 & 220.98 & 240.75 & [9] \\ \hline
17 & & 0.16 & 0.16 & 13.00 & 81.25 & 2.50 & 126.59 & 172.59 & [10] \\
18 & Cube & 0.16 & 0.16 & 13.00 & 81.25 & 2.00 & 126.59 & 163.31 & [10] \\
19 & 70.7 mm \(\times\) & 0.16 & 0.16 & 13.00 & 81.25 & 0.00 & 126.59 & 126.59 & [10] \\
20 & 70.7 mm \(\times\) & 0.16 & 0.16 & 6.00 & 37.50 & 2.50 & 126.59 & 171.37 & [10] \\
21 & 70.7 mm & 0.16 & 0.16 & 6.00 & 37.50 & 2.00 & 126.59 & 157.28 & [10] \\
22 & & 0.16 & 0.16 & 6.00 & 37.50 & 0.00 & 126.59 & 126.59 & [10] \\ \hline
23 & Cube & 0.24 & 0.20 & 20.00 & 100.00 & 0.00 & 111.00 & 111.00 & [11] \\
24 & 100 mm \(\times\) 100 mm & 0.24 & 0.20 & 20.00 & 100.00 & 1.00 & 111.00 & 101.00 & [11] \\
25 & \multicolumn{2}{c}{\(\times\) 100 mm} & 0.24 & 0.20 & 20.00 & 100.00 & 2.00 & 111.00 & 112.00 & [11] \\ \hline
26 & & & 0.14 & 0.50 & 30.00 & 60.00 & 0.00 & 141.72 & 141.72 & [12] \\
27 & Cylinder & 0.14 & 0.50 & 30.00 & 60.00 & 1.00 & 141.72 & 146.99 & [12] \\
28 & \multicolumn{2}{c}{\(\mathrm{D}\times\mathrm{H}\,100\) mm \(\times\)} & 0.14 & 0.50 & 30.00 & 60.00 & 2.00 & 141.72 & 153.57 & [12] \\
29 & \multicolumn{2}{c}{200 mm} & 0.15 & 0.50 & 30.00 & 60.00 & 3.00 & 141.72 & 154.33 & [12] \\ \hline
30 & & 0.18 & 0.24 & 13.5 & 56.25 & 0.00 & 129.92 & 129.92 & [13] \\
31 & & 0.18 & 0.24 & 13.5 & 56.25 & 1.00 & 129.92 & 135.89 & [13] \\
32 & & 0.18 & 0.24 & 13.5 & 56.25 & 2.00 & 129.92 & 142.46 & [13] \\
33 & & 0.18 & 0.24 & 13.5 & 56.25 & 3.00 & 129.92 & 155.09 & [13] \\
34 & & 0.18 & 0.24 & 13.5 & 56.25 & 0.00 & 133.88 & 133.88 & [13] \\
35 & & 0.18 & 0.24 & 13.5 & 56.25 & 1.00 & 133.88 & 141.06 & [13] \\
36 & & 0.18 & 0.24 & 13.5 & 56.25 & 2.00 & 133.88 & 150.62 & [13] \\
37 & & 0.18 & 0.24 & 13.5 & 56.25 & 3.00 & 133.88 & 160.43 & [13] \\
38 & & 0.18 & 0.24 & 13.5 & 56.25 & 0.00 & 142.38 & 142.38 & [13] \\
39 & & 0.18 & 0.24 & 13.5 & 56.25 & 1.00 & 142.38 & 153.25 & [13] \\
40 & & 0.18 & 0.24 & 13.5 & 56.25 & 2.00 & 142.38 & 169.01 & [13] \\
41 & & 0.18 & 0.24 & 13.5 & 56.25 & 3.00 & 142.38 & 172.52 & [13] \\ \hline
42 & & 0.20 & 0.20 & 13.00 & 65.00 & 0.00 & 88.49 & 88.49 & [14] \\
43 & Cube & 0.20 & 0.20 & 13.00 & 65.00 & 0.50 & 88.49 & 105.3  
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**No.