Shock and Vibration / 2018 / Article / Tab 4

Research Article

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

Table 4

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

Specimen
number
Saturated
status
Diameter/mmLength/
mm
Density
gcm−3
Confining pressure/
MPa
Axial pressure
/MPa
Strain rate
/s−1
Strength/MPaFailure strain/%
DryWetTestedAverageTestedAverage

D1Natural4.973.041.42/87654.2366.631.070.922
D2Natural4.982.961.42/125965.070.91
D3Natural4.972.931.43/4 MPa165968.270.98
D4Natural4.982.991.44/206075.390.98
D5Natural4.973.131.41/366370.160.67
D67D water4.973.061.441.5186863.2174.551.221.134
D77D water4.983.071.441.52126870.291.17
D87D water4.983.061.411.494 MPa168180.861.12
D97D water4.983.071.401.48287082.711.02
D107D water4.973.021.441.49366775.671.14

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.