## 1 Introduction
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline
**References** & **Concrete Type** & **25 \({}^{\circ}\)C** & **100 \({}^{\circ}\)C** & **250 \({}^{\circ}\)C** & **300 \({}^{\circ}\)C** & **500 \({}^{\circ}\)C** & **600 \({}^{\circ}\)C** & **750 \({}^{\circ}\)C** & **900 \({}^{\circ}\)C** & **1000 \({}^{\circ}\)C** \\ \hline \multirow{2}{*}{[3]} & \multirow{2}{*}{Geopolymer concrete} & \(\equiv\) & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & - \\  & & 45 & & & 40 & 30 & - & - & 20 & - \\ \hline \multirow{2}{*}{[3]} & \multirow{2}{*}{PCC with fly ash} & \(\equiv\) & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & \(\equiv\) & - & \(\equiv\) & - \\  & & 22.5 & & & 17.5 & 12.5 & - & - & 5 & - \\ \hline \multirow{2}{*}{[3]} & \multirow{2}{*}{PCC} & \(\equiv\) & \multirow{2}{*}{-} & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & - & - & \(\equiv\) & - \\  & & 32.5 & & & 22.5 & 17.5 & - & - & 5 & - \\ \hline \multirow{2}{*}{[7]} & \multirow{2}{*}{\begin{tabular}{c} Geopolymer concrete \\ (SS/SH = 2.5 and cure temperature 25 \({}^{\circ}\)C) \\ \end{tabular} } & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) \\  & 35 & & 50 & 55 & 54 & 50 & 45 & 30 & 20 & 15 \\ \hline \multirow{2}{*}{[7]} & \multirow{2}{*}{\begin{tabular}{c} Geopolymer concrete \\ (SS/SH = 2.5 and cure temperature 80 \({}^{\circ}\)C) \\ \end{tabular} } & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) \\  & & 40 & 65 & 68 & 65 & 60 & 50 & 35 & 23 & 20 \\ \hline \multirow{2}{*}{[7]} & \multirow{2}{*}{\
\begin{tabular}{c} Geopolymer concrete \\ (SS/SH = 3.0 and cure temperature 25 \({}^{\circ}\)C) \\ \end{tabular} } & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) \\  & & 45 & 55 & 65 & 63 & 55 & 50 & 35 & 20 & 15 \\ \hline \multirow{2}{*}{[7]} & \multirow{2}{*}{
\begin{tabular}{c} Geopolymer concrete \\ (SS/SH = 3.0 and cure temperature 80 \({}^{\circ}\)C) \\ \end{tabular} } & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) & \(\equiv\) \\  & & 75 & 85 & 88 & 85 & 80 & 77 & 55 & 20 & 15 \\ \hline \multirow{2}{*}{[8]} & \multirow{2}{*}{PCC} & \multirow{2}{*}{39} & \(\equiv\) & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & - & \(\equiv\) 20 & - & \(\equiv\) 10 & - \\  & & 39 & & 35 & & & & & \\ \hline \multirow{2}{*}{[8]} & \multirow{2}{*}{PCC} & \multirow{2}{*}{76} & \(\equiv\) & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & - & \(\equiv\) 45 & - & \(\equiv\) 15 & - \\  & & 76 & & 76 & & & & & & \\ \hline \multirow{2}{*}{[8]} & \multirow{2}{*}{PCC} & \multirow{2}{*}{120} & \(\equiv\) & \multirow{2}{*}{-} & \(\equiv\) & \(\equiv\) & - & \(\equiv\) 60 & - & \(\equiv\) 20 & - \\  & & 120 & & & 120 & & & & & \\ \hline \multirow{2}{*}{[9]} & \multirow{2}{*}{PCC} & \multirow{2}{*}{57.6} & \multirow{2}{*}{-} & 53.3 & - & 46.1 & - & 30.8 & - & 8.5 \\ \hline \multirow{2}{*}{[9]} & \multirow{2}{*}{PCC with silica fume fiber} & \multirow{2}{*}{62.6} & \multirow{2}{*}{-} & 55.2 & - & 47.6 & - & 32.3 & - & 6.2 \\ \hline \multirow{2}{*}{[9]} & \multirow{2}{*}{PCC with carbon fiber} & \multirow{2}{*}{54.3} & \multirow{2}{*}{-} & 46.2 & - & 40.5 & - & 35.3 & - & 7.3 \\ \hline \multirow{2}{*}{[9]} & \multirow{2}{*}{PCC with silica fume and carbon fiber} & \multirow{2}{*}{60.2} & \multirow{2}{*}{-} & 48.1 & - & 40.8 & - & 28.6 & - & 4.1 \\ \hline \multirow{2}{*}{[10]} & \multirow{2}{*}{PCC} & \(\equiv\) & \(\equiv\) & \(\equiv\) & - & \(\equiv\) & - & \(\equiv\) & - & - \\  & 50 & - & 45 & - & 40 & - & 25 & - & - \\ \hline \end{tabular}
\end{table} 
Table 1: High-temperature studies and compressive strength values in the literature. [PERSON] et al. conducted a study on the effect of using steel fibers in high-temperature concrete and found that it resulted in improved mechanical properties and higher thermal resistance [12].