Compression‐induced crack initiation and growth in flawed rocks: a review
The purpose of this review is to discuss the development and the contribution of the
experiments and numerical simulations in compression‐induced failure characteristics of …
experiments and numerical simulations in compression‐induced failure characteristics of …
[HTML][HTML] A state-of-the-art review of mechanical characteristics and cracking processes of pre-cracked rocks under quasi-static compression
The mechanical characteristics and failure behavior of rocks containing flaws or
discontinuities have received wide attention in the field of rock mechanics. When external …
discontinuities have received wide attention in the field of rock mechanics. When external …
Effects of hole shape on mechanical behavior and fracturing mechanism of rock: Implications for instability of underground openings
X Cai, J Yuan, Z Zhou, Z Pi, L Tan, P Wang… - … and Underground Space …, 2023 - Elsevier
Rock failure commonly initiates near the wall of openings with various geometries in
underground excavation. In this study, to elucidate the hole-shape influences on the …
underground excavation. In this study, to elucidate the hole-shape influences on the …
Underlying mechanisms of crack initiation for granitic rocks containing a single pre-existing flaw: insights from digital image correlation (DIC) analysis
Determination on underlying mechanisms of crack initiation is of vital importance to
understand the failure processes of geomaterials in practical engineering. In this study …
understand the failure processes of geomaterials in practical engineering. In this study …
Three-dimensional finite discrete element-based contact heat transfer model considering thermal cracking in continuous–discontinuous media
This paper proposes a three-dimensional heat transfer model that considers contact heat
transfer and thermal cracking in continuous–discontinuous media. The 3D heat transfer …
transfer and thermal cracking in continuous–discontinuous media. The 3D heat transfer …
Experimental investigation of the strain rate effect on crack initiation and crack damage thresholds of hard rock under quasi-static compression
R Xu, S Zhang, Z Li, X Yan - Acta Geotechnica, 2023 - Springer
The crack closure stress σ cc, crack initiation stress σ ci and crack damage stress σ cd are
important mechanical parameters to describe the brittle failure mechanism of hard rock. To …
important mechanical parameters to describe the brittle failure mechanism of hard rock. To …
[HTML][HTML] Predicting triaxial compressive strength of high-temperature treated rock using machine learning techniques
The accurate prediction of the strength of rocks after high-temperature treatment is important
for the safety maintenance of rock in deep underground engineering. Five machine learning …
for the safety maintenance of rock in deep underground engineering. Five machine learning …
Experimental investigation of damage evolution characteristics of coral reef limestone based on acoustic emission and digital volume correlation techniques
The variation of pore structure results in a significant difference in physical–mechanical
properties within coral reef limestone (CRL). The acoustic emission (AE) and digital volume …
properties within coral reef limestone (CRL). The acoustic emission (AE) and digital volume …
Transgranular fracturing of crystalline rocks and its influence on rock strengths: Insights from a grain-scale continuum–discontinuum approach
The aim of this study is to understand the effects of micro-heterogeneity, such as grain size,
morphology and mineralogy, on the initiation, propagation and coalescence of microcracks …
morphology and mineralogy, on the initiation, propagation and coalescence of microcracks …
Experimental investigation on rock mechanical properties and infrared radiation characteristics with freeze-thaw cycle treatment
C Yang, K Zhou, X Xiong, H Deng, Z Pan - Cold Regions Science and …, 2021 - Elsevier
The effect of freeze-thaw weathering cycles caused by diurnal and seasonal temperature
changes is a significant disadvantage in the stability of rock engineering in cold regions. To …
changes is a significant disadvantage in the stability of rock engineering in cold regions. To …