Experimental studies and failure mechanisms of strain and fault-slip rockburst: A review

Abstract

In recent years, rockburst have gained significant attention as a crucial topic in rock engineering. Strain and fault-slip rockburst are two common types that occur frequently and cause substantial damage. The objective of this review is to conduct a comprehensive study on the experiments and failure mechanisms of strain and fault-slip rockburst. Firstly, the article analyzes the evolving trends in experimental research on rockburst in the past decade, highlighting mechanical properties and failure modes as the primary research focuses in understanding rockburst mechanisms. Subsequently, it provides an overview of the experimental techniques and methods employed for studying both types of rockburst. Then, with a focus on the mechanical properties and failure modes, the article conducts an extensive analysis of the failure mechanisms associated with strain and fault-slip rockburst. By analyzing experimental data and observing the failure characteristics of samples, it discusses the variations and common features exhibited by these two types of rockburst under various test conditions. This analysis is of paramount importance in revealing the causes of rockburst formation and development, as well as in predicting rockburst trends and assessing associated risks. Lastly, the limitations of current rockburst experiments and future research directions are discussed, followed by a comprehensive summary of the entire article.

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