Use of Acoustic Emission for the Detection of Brittle Rock Failure under Various Loading Rates

Figure 3

Location map of acoustic emission events. (a) Location map for the initial damage events of rock sample #1; (b) location map for the initial damage events of rock sample #5; (c) location map for the initial damage events of rock sample #8; (d) location map for the initial damage events of rock sample #9.

(a)

(b)

(c)

(d)