Predicting Time-to-Failure of Red Sandstone by Temporal Precursor of Acoustic Emission Signals

<div>The damage evolution curve of red sandstone under compression. (a) The result of specimen R1. (b) The result of specimen R6.</div>

Geofluids

Figure 5: Predicting Time-to-Failure of Red Sandstone by Temporal Precursor of Acoustic Emission Signals 