## 3 Trackside Measurement through Field Instrumentation
### Field Measurement Result Comparison
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{\
\begin{tabular}{c} **Railway** \\ **Structures** \\ \end{tabular} } & \multirow{2}{*}{
\begin{tabular}{c} **Speed** \\ **(km/h)** \\ \end{tabular} } & \multicolumn{2}{c}{**Wheel Loads**} & \multicolumn{2}{c}{**Displacements**} \\ \cline{3-6}  & & & & **Vertical Rail** & **Lateral Rail** \\ \cline{3-6}  & & **Vertical (kN)** & **Lateral (kN)** & **(mm)** & **(mm)** \\ \hline \multirow{6}{*}{Type 2} & 120–130 & 81.13 & 13.57 & 1.12 & 0.24 \\ \cline{2-6}  & 130–140 & 80.14 & 17.41 & 1.13 & 0.22 \\ \cline{2-6}  & 140–150 & 81.17 & 15.44 & 1.26 & 0.21 \\ \cline{2-6}  & 150–160 & 82.97 & 19.52 & 1.19 & 0.21 \\ \cline{2-6}  & 160–170 & 84.42 & 19.44 & 1.13 & 0.27 \\ \hline \multirow{6}{*}{Type 3} & 120–130 & 88.81 & 21.65 & 0.98 & 0.31 \\ \cline{2-6}  & 130–140 & 87.52 & 18.01 & 0.92 & 0.34 \\ \cline{2-6}  & 140–150 & 85.89 & 16.75 & 1.59 & 0.36 \\ \cline{2-6}  & 150–160 & 87.37 & 19.32 & 1.59 & 0.38 \\ \cline{2-6}  & 160–170 & 91.42 & 19.49 & 1.53 & 0.39 \\ \hline \multirow{6}{*}{Type 4} & 120–130 & 82.68 & 9.28 & 0.85 & 0.18 \\ \cline{2-6}  & 130–140 & 81.27 & 10.23 & 0.94 & 0.20 \\ \cline{2-6}  & 140–150 & 82.82 & 12.14 & 0.86 & 0.21 \\ \cline{2-6}  & 150–160 & 83.74 & 13.55 & 0.94 & 0.24 \\ \cline{2-6}  & 160–170 & 89.81 & 15.89 & 0.91 & 0.27 \\ \hline \multirow{6}{*}{Type 5} & 120–130 & 82.19 & 12.49 & 1.02 & 0.25 \\ \cline{2-6}  & 130–140 & 81.22 & 13.75 & 0.91 & 0.27 \\ \cline{1-1} \cline{2-6}  & 140–150 & 81.30 & 13.15 & 0.87 & 0.26 \\ \cline{1-1} \cline{2-6}  & 150–160 & 86.55 & 17.83 & 1.10 & 0.31 \\ \cline{1-1} \cline{2-6}  & 160–170 & 90.03 & 18.34 & 1.21 & 0.34 \\ \hline \hline \end{tabular}
\end{table} 
Table 8: _Cont._ \begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Railway Structures**} & \multirow{2}{*}{**Speed (km/h)**} & \multicolumn{4}{c}{**Track Performance and Dynamic Stability per Vehicle Speed**} \\ \cline{3-6}  & & **Wheel Load** & **Derailment** & **Track Support** & **Stress** \\  & & **Fluctuation** (\({}^{\text{(1)}}\)) & **Coefficient** (\({}^{\text{(2)}}\)) & **Stiffness (kN/mm)** & **(MPa)** \\ \hline \multirow{5}{*}{Type 1} & 120–130 & 0.43 & 0.17 & 139.26 & 52.78 \\ \cline{2-6}  & 130–140 & 0.41 & 0.21 & 138.03 & 55.12 \\ \cline{2-6}  & 140–150 & 0.44 & 0.20 & 129.82 & 56.23 \\ \cline{2-6}  & 150–160 & 0.43 & 0.22 & 142.88 & 52.41 \\ \cline{2-6}  & 160–170 & 0.46 & 0.23 & 126.68 & 53.47 \\ \hline \multirow{5}{*}{Type 2} & 120–130 & 0.44 & 0.20 & 170.06 & 58.52 \\ \cline{2-6}  & 130–140 & 0.44 & 0.22 & 174.46 & 59.12 \\ \cline{2-6}  & 140–150 & 0.47 & 0.23 & 160.58 & 64.23 \\ \cline{2-6}  & 150–160 & 0.53 & 0.21 & 164.82 & 59.82 \\ \cline{2-6}  & 160–170 & 0.52 & 0.22 & 165.54 & 63.72 \\ \hline \multirow{5}{*}{Type 3} & 120–130 & 0.24 & 0.15 & 140.96 & 57.34 \\ \cline{2-6}  & 130–140 & 0.26 & 0.15 & 134.30 & 58.42 \\ \cline{2-6}  & 140–150 & 0.24 & 0.15 & 126.61 & 59.62 \\ \cline{2-6}  & 150–160 & 0.16 & 0.17 & 117.23 & 54.32 \\ \cline{2-6}  & 160–170 & 0.29 & 0.15 & 133.27 & 56.09 \\ \hline \multirow{5}{*}{Type 4} & 120–130 & 0.12 & 0.20 & 113.35 & 62.71 \\ \cline{2-6}  & 130–140 & 0.09 & 0.20 & 111.13 & 62.89 \\ \cline{2-6}  & 140–150 & 0.09 & 0.19 & 109.08 & 60.78 \\ \cline{2-6}  & 150–160 & 0.07 & 0.21 & 98.63 & 65.18 \\ \cline{2-6}  & 160–170 & 0.10 & 0.21 & 105.08 & 66.47 \\ \hline \multirow{5}{*}{Type 5} & 120–130 & 0.03 & 0.22 & 115.96 & 59.12 \\ \cline{2-6}  & 130–140 & 0.05 & 0.20 & 122.56 & 58.45 \\ \cline{1-1} \cline{2-6}  & 140–150 & 0.19 & 0.18 & 166.07 & 58.78 \\ \cline{1-1} \cline{2-6}  & 150–160 & 0.15 & 0.20 & 128.36 & 52.48 \\ \cline{1-1} \cline{2-6}  & 160–170 & 0.17 & 0.20 & 129.13 & 59.87 \\ \hline \hline \end{tabular}
\end{table} 
Table 9: Calculation result of track performance and dynamic stability according to railway structures per vehicle speed ranges (ballasted track structure types).