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Geofluids
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2022
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Article
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Fig 10
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Research Article
Mechanical Behaviors and AE Characteristics of Brittle Coal Specimens with Different Fissure Angles
Figure 10
Failure modes and sketches of specimens with different fissure angles.
(a)
0°
(b)
15°
(c)
30°
(d)
45°
(e)
60°