Research Article

Coupled Static-Dynamic Tensile Mechanical Properties and Energy Dissipation Characteristic of Limestone Specimen in SHPB Tests

Table 2

Dynamic splitting tensile test results of the disk specimen.

Preload (MPa)Specimen numberDiameter (mm)Length (mm)Loading rate (MPa·μm−1)Strain rate (s−1)Preload tensile stress (MPa)Peak stress (MPa)Deformation modulus (GPa)Incident energy (J)Reflected energy (J)Transmitted energy (J)Absorbed energy (J)Unit energy consumption (J·cm−3)

0SG52-0150.1025.410.20156024.5514.1063.4337.263.7422.430.45
SG52-0250.1025.450.19948024.2411.7958.9133.883.2821.750.43
SG52-0350.0925.720.19644024.1713.1960.5334.733.3922.410.44
SG52-0450.0625.850.30285032.8715.46203.91148.414.6650.841.00
SG52-0550.1025.340.29591034.1115.87192.42138.894.9448.590.97
SG52-0650.1025.650.32392034.4518.87196.84139.455.4051.991.03
SG52-0750.1124.850.352116037.7318.99316.83250.344.9861.511.26
SG52-0850.0825.740.332122038.6211.04312.45241.565.8565.041.28
SG52-0950.1024.520.316106035.3616.94315.6251.254.4259.931.24

2SG52-1050.1224.140.184452.0717.6417.8444.9539.441.324.190.09
SG52-1150.1124.250.192492.0619.1919.6347.8139.751.466.600.14
SG52-1249.9524.650.184562.0321.9512.2556.2840.22.0714.010.29
SG52-1349.8224.830.2601012.0226.568.84182.31153.612.9325.770.53
SG52-1449.8424.930.223952.0124.356.89178.271532.5822.690.47
SG52-1649.8225.460.2251121.9727.444.11307.02272.872.8631.290.63
SG52-1749.6224.980.2531342.0231.594.34315.96272.013.6440.310.83