## 3 Experimental Results and Discussion
### Dynamic Compressive Strength
#### 3.3.1 Effect of the Strain Rate on the Dynamic Compressive Strength
\begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Temperature/\({}^{\circ}\)C** & **High/mm** & **Mass/g** & **Strength/Mpa** & **Strain Rate/s\({}^{-1}\)** \\ \hline \multirow{3}{*}{25} & 40.2 & 429 & 49.5 & 110 \\  & 40.3 & 423 & 52.6 & 106 \\  & 40.0 & 426 & 35.8 & 89 \\ \hline \multirow{3}{*}{200} & 40.2 & 396 & 69.5 & 115 \\  & 40.4 & 398 & 67.5 & 113 \\  & 40.1 & 397 & 72.1 & 126 \\ \hline \multirow{3}{*}{400} & 40.2 & 395 & 45.5 & 135 \\  & 40.4 & 396 & 43.5 & 131 \\  & 40.2 & 399 & 40.6 & 136 \\ \hline \multirow{3}{*}{600} & 40.0 & 381 & 25.6 & 143 \\  & 40.8 & 360 & 23.5 & 145 \\  & 40.3 & 364 & 27.8 & 152 \\ \hline \multirow{3}{*}{800} & 40.6 & 369 & 12.5 & 163 \\  & 40.3 & 375 & 11.9 & 172 \\ \cline{1-1}  & 40.0 & 367 & 10.7 & 174 \\ \hline \hline \end{tabular}
\end{table} 
Table 15: The dynamic impact test of basalt fiber-reinforced concrete on a loading rate of 5.8 m/s. \begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Temperature/\({}^{\circ}\)C** & **High/mm** & **Mass/g** & **Strength/Mpa** & **Strain Rate/s\({}^{-1}\)** \\ \hline \multirow{3}{*}{25} & 40.1 & 391 & 65 & 163 \\  & 40.3 & 398 & 60.3 & 157 \\  & 40.0 & 395 & 67.9 & 165 \\ \hline \multirow{3}{*}{200} & 40.2 & 385 & 80 & 171 \\  & 40.4 & 400 & 78.6 & 173 \\  & 40.1 & 381 & 59.9 & 176 \\ \hline \multirow{3}{*}{400} & 40.2 & 381 & 53.2 & 197 \\  & 40.4 & 360 & 48.9 & 189 \\  & 40.2 & 364 & 49.7 & 187 \\ \hline \multirow{3}{*}{600} & 40.0 & 320 & 42.3 & 206 \\  & 40.8 & 324 & 37.5 & 198 \\  & 40.3 & 333 & 40.3 & 213 \\ \hline \multirow{3}{*}{800} & 40.6 & 391 & 17.6 & 228 \\  & 40.3 & 398 & 15.5 & 236 \\ \cline{1-1}  & 40.0 & 395 & 10.6 & 209 \\ \hline \hline \end{tabular}
\end{table} 
Table 14: The dynamic impact test of ordinary concrete on a loading rate of 9.8 m/s. compared with the static load at the same temperature, while the strengths of basalt fiber-reinforced concrete improve by 73.2%, 77.8%, and 69.6% at room temperature (25 \({}^{\circ}\)C), 200, and 400 \({}^{\circ}\)C, respectively, compared with the static load at the same temperature. When the loading rate is 9.8 m/s, the strength of ordinary concrete improves by 101%, 116%, and 109% at room temperature, 200, and 400 \({}^{\circ}\)C, respectively, compared with the static load at the same temperature, while the strengths of basalt fiber-reinforced concrete improve by 140%, 155%, and 169% at room temperature (25 \({}^{\circ}\)C), 200, and 400 \({}^{\circ}\)C, respectively, compared with the static load at the same temperature. \begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Temperature/\({}^{\circ}\)C** & **High/mm** & **Mass/g** & **Strength/Mpa** & **Strain Rate/s\({}^{-1}\)** \\ \hline  & 40.5 & 433 & 70.5 & 152 \\
25 & 40.7 & 427 & 65.8 & 147 \\  & 40.5 & 430 & 72.4 & 156 \\ \hline  & 40.6 & 402 & 80.2 & 159 \\
200 & 40.3 & 402 & 90.8 & 157 \\  & 40.0 & 401 & 63.2 & 155 \\ \hline  & 40.0 & 399 & 53.8 & 162 \\
400 & 40.4 & 400 & 44.9 & 165 \\  & 40.1 & 403 & 50.3 & 168 \\ \hline  & 40.3 & 385 & 38.7 & 168 \\
600 & 40.8 & 364 & 36.5 & 171 \\  & 40.3 & 368 & 36.2 & 165 \\ \hline  & 40.6 & 373 & 11.4 & 185 \\
800 & 40.3 & 379 & 11.9 & 189 \\  & 40.0 & 371 & 15.9 & 176 \\ \hline \hline \end{tabular}
\end{table} 
Table 16: The dynamic impact test of basalt fiber-reinforced concrete on a loading rate of 7.8 m/s. \begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Temperature/\({}^{\circ}\)C** & **High/mm** & **Mass/g** & **Strength/Mpa** & **Strain Rate/s\({}^{-1}\)** \\ \hline  & 39.6 & 428 & 90.3 & 161 \\
25 & 40.2 & 425 & 87.6 & 165 \\  & 39.7 & 425 & 92.3 & 167 \\ \hline  & 40.2 & 397 & 110 & 171 \\
200 & 40.5 & 396 & 103.7 & 176 \\  & 39.4 & 397 & 107.9 & 174 \\ \hline  & 40.1 & 396 & 63.7 & 186 \\
400 & 40.3 & 397 & 75.9 & 189 \\  & 40.2 & 398 & 60.3 & 184 \\ \hline  & 39.1 & 382 & 47.5 & 192 \\
600 & 40.3 & 365 & 45.5 & 197 \\  & 40.2 & 367 & 32.1 & 196 \\ \hline  & 40.3 & 363 & 21.6 & 207 \\
800 & 40.0 & 377 & 19.8 & 219 \\  & 39.9 & 36 & 17.2 & 217 \\ \hline \hline \end{tabular}
\end{table}