基于声发射的倾斜软硬互层岩石破坏特性研究
|
周可凡,刘科伟,郭腾飞
|
Study on Failure Characteristics of Inclined Soft and Hard Interbedded Rocks Based on Acoustic Emission
|
Kefan ZHOU,Kewei LIU,Tengfei GUO
|
|
表3 试样基本信息
|
Table 3 Basic information of the sample
|
|
试样编号 | θ/(°) | 软层厚度/mm | 抗压强度/MPa | 破坏模式 |
---|
A-1 | 0 | 19.70 | 42.19 | 轴向破坏 | A-2 | 0 | 20.07 | 43.80 | 轴向破坏 | A-3 | 0 | 19.97 | 37.01 | 轴向破坏 | B-1 | 22.5 | 20.07 | 52.29 | 软层破坏 | B-2 | 22.5 | 20.17 | 46.96 | 软层破坏 | B-3 | 22.5 | 19.85 | 49.80 | 软层破坏 | C-1 | 45 | 19.78 | 2.85 | 界面滑移 | C-2 | 45 | 19.92 | 1.39 | 界面滑移 | C-3 | 45 | 20.23 | 2.90 | 界面滑移 | D-1 | 67.5 | 19.92 | 2.60 | 界面滑移 | D-2 | 67.5 | 19.89 | 2.12 | 界面滑移 | D-3 | 67.5 | 19.35 | 2.55 | 界面滑移 | E-1 | 90 | 19.88 | 54.12 | 劈裂破坏 | E-2 | 90 | 20.03 | 49.28 | 劈裂破坏 | E-3 | 90 | 19.74 | 57.49 | 劈裂破坏 |
|
|
|