Research Article
Multifractal Analysis of Acoustic Emissions during Hydraulic Fracturing Experiments under Uniaxial Loading Conditions: A Niutitang Shale Example
Figure 1
The GCTS RTR-2000 rock mechanic system and the experimental setup. (a) The experimental loading system, controlling system, and acoustic emission (AE) monitoring system. (b) The principle sketch of the AE monitoring system. (c) The loading device and preamplifiers. (d) The sample parameters and the sensor arrangement.