# A Thorough Investigation of the Dynamic Properties of Granite under Cyclic Loading
## 2 Literature Review and Discussion
\begin{table}
\begin{tabular}{c c c c c} \hline \hline
**References** & **Rock Type** & **Loading Method** & **Variables** & **Parameters** \\ \hline [PERSON] et al. [22] & Granite & Cyclic loading test & Stress amplitude (10 MPa), frequency (0.01–1 Hz) & Dynamic elastic modulus, damping ratio \\ [PERSON] et al. [23] & Sandstone & Cyclic loading test & Frequency (0.2–0.8 Hz), cyclic amplitudes, number of cycles & Elastic modulus \\ [PERSON] et al. [25] & Phyllite rock & Split Hopkinson pressure bar (SHPB) loading & Slenderness ratios, diameters, gas gun pressures, different striker bar & Peak stress, dynamic modulus \\  & Synthetic & & Frequency (1–20 Hz), maximum stress levels (0.8–0.95), amplitude levels (0.4–0.7) & Fatigue deformation characteristics, fatigue energy, and damage evolution \\ [PERSON] et al. [29] & Sandstone & Cyclic loading test & Confining pressures (0.5–1 MPa), stress amplitude (0.1–0.9 MPa), moisture content (15.15–19.85\%) & Damping parameters, dynamic shear modulus \\ [PERSON] et al. [30] & Granite & Split Hopkinson pressure bar (SHPB) loading & Strain rates (41.31–475.59/s) & Dynamic elastic modulus \\ [PERSON] et al. [31] & Granite & Split Hopkinson pressure bar (SHPB) loading & Pre-heating temperature (25–800 \({}^{\circ}\)C) & Peak stress, peak strain and elastic modulus \\ [PERSON] et al. [32] & Granite & Cyclic loading test & Confining pressures (2–6 MPa) & Dynamic elastic modulus \\ [PERSON] et al. [33] & Granite and sandstone & Cyclic loading test & Stress level (5–25 MPa), strain amplitude (0–0.07\%), frequency (0.2–0.8 Hz) & Damping ratio, damping coefficient \\ [PERSON] et al. [34] & Granite & Split Hopkinson pressure bar (SHPB) loading & Impact pressures (0.7–0.9 MPa), joint angle (0–90\({}^{\circ}\)) & Dynamic compressive strength, elastic modulus, transmitted energy ratio, absorbed energy ratio \\ [PERSON] et al. [35] & Granite & & Fines content (0–83.19\%), drying and wetting cycles number (1–10,000) & Dynamic shear modulus, damping ratio \\ [PERSON] et al. [36] & Granite & Split Hopkinson pressure bar (SHPB) loading & Temperature (100–800 \({}^{\circ}\)C), axial static pressure (10–40 MPa) & Mechanical strength, elastic modulus, peak stress \\ [PERSON] et al. [37] & Granite & Split Hopkinson pressure bar (SHPB) loading & Stress amplitude (48–108 MPa), cyclic upper limit stress (0.5–0.9) & Dynamic compressive strength, elastic modulus \\ [PERSON] et al. [38] & Granite & Split Hopkinson pressure bar (SHPB) loading & Temperature (200–600 \({}^{\circ}\)C), the number of cycles (1–20 times) & Dynamic compressive strength, elastic modulus \\ [PERSON] et al. [39] & Granite & Split Hopkinson pressure bar (SHPB) loading & Temperature (25–800 \({}^{\circ}\)C) & Dynamic peak stress, elastic modulus, peak strain \\ [PERSON] et al. [40] & Granite & Split Hopkinson pressure bar (SHPB) loading & Uniaxial compressive strength (0–60\%), inclination angles (0–90\({}^{\circ}\)) & Dynamic strength \\ [PERSON] et al. [41] & Granite & Split Hopkinson pressure bar (SHPB) loading & Axial pressures (0–120 MPa) & Peak stress, elastic modulus, strain rate, peak strain \\ [PERSON] et al. [42] & Granite & Split Hopkinson pressure bar (SHPB) loading & Flaw angles (0–90\({}^{\circ}\)), static loads (18.4–128.7 MPa) & Peak strain, dynamic strength \\ [PERSON] et al. [43] & Granite & Split Hopkinson pressure bar (SHPB) loading & Axial stress (0-70 MPa) & Dynamic strength, dynamic elastic modulus, dynamic strain \\ [PERSON] et al. [44] & Granite & Compression tests & Confining pressure (0–5 MPa) & Elastic strains, Young’s modulus \\ [PERSON] et al. [45] & Granite & Split Hopkinson pressure bar (SHPB) loading & Strain rates (19.1–190.5/s) & Ultimate strength, elastic modulus \\ [PERSON] et al. [46] & Granite & Split Hopkinson pressure bar (SHPB) loading & Confining pressure (0.25–04 MPa) & Anti-impact strength \\  & & & Confining pressure (5–30 MPa), loading frequency (1–20 Hz), dynamic stress amplitude (5–27.5 MPa), number of cycles (50 times and more) & Dynamic elastic modulus, dynamic damping ratio \\ \hline \hline \end{tabular}
\end{table}