Shock and Vibration / 2018 / Article / Tab 2

Research Article

Strength and Failure Characteristics of Natural and Water-Saturated Coal Specimens under Static and Dynamic Loads

Table 2

Natural and saturated specimen parameters under uniaxial static-dynamic compressive tests.

Specimen
number
Saturated
status
Diameter/
mm
Length/mm Density g/cm−3Static uniaxial pressure/MPaStrain rate
/s−1
Strength/MPaGrain size/mm
DryWetTestedAverage

B1Natural4.953.061.34/1210746.9346.7217.09
B2Natural4.983.091.33/1213146.5016.42
B3Natural4.983.041.48/1211743.4715.84
B4Natural4.963.111.30/1211149.9616.11
B57D water4.963.041.351.411211517.7328.4413.18
B67D water4.962.981.411.481212840.6312.08
B77D water4.993.001.361.42129731.5012.01
B87D water4.953.141.341.391212823.8813.54

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