Cracking Behavior and Acoustic Emission Characteristics of Rock Containing a Single Preexisting Flaw

Table 3

Microcrack distributions and the “force chain”.

Point A

Point B

Point C

Point D

Point E

M

C

T

M

C

T

M

C

T

M

C

T

M

C

T

α = 0°

α = 15°

α = 30°

α = 45°

α = 60°

α = 75°

α = 90°

“M” stands for microcracks; “C” stands for compression force chain; “T” stands for tension force chain.