Research Article

Mechanical Damage Test and Model Study of Layered Composite Rock Based on Acoustic Emission and DIC Characteristics

Table 4

Parameters and numbers of specimens.

SpecimensLength (mm)Radius (mm)Quality (g)Density (g·cm−3)Test type

S-1-AB99.8249.15393.382.08Applied acoustic emission system monitoring
S-2-AB99.1549.26391.452.07
S-3-AB99.2049.31392.842.07
S-4-AB98.5449.58393.122.07
S-5-A99.2149.16402.162.14
S-6-A100.1249.25410.722.15
S-7-B101.0649.17390.382.04
S-8-B101.1449.15390.162.03
5A-199.1549.12402.542.14Application of DIC system monitoring, including composite rock combined with acoustic emission monitoring
5A-2101.1149.15413.372.16
5A-3100.5649.16412.022.15
5AB-199.2849.22391.662.07
5AB-299.1549.13389.722.07
5AB-399.2449.11390.472.08
5B-198.4549.12378.632.03
5B-299.9848.96379.722.02
5B-399.6549.24387.562.04