静态—准静态加载下含裂隙类岩材料破断试验及声发射特性分析 |
郭婧宇,蒲成志,贺桂成,李益龙,杨少峰,曾佳君 |
Fracture Test of Rock-like Materials with Cracks and Analysis of Acoustic Emission Characteristics at Static-Quasi-Static Loading Rates |
Jingyu GUO,Chengzhi PU,Guicheng HE,Yilong LI,Shaofeng YANG,Jiajun ZENG |
图3 裂隙体裂纹扩展声发射频域时变特征规律 (a) 声发射峰值频率与加载时间的关系图; (b) 质心频率与加载时间的关系图 |
Fig.3 Time-varying characteristics of acoustic emission in the fractured body |