Dynamic response and energy evolution of sandstone under coupled static–dynamic compression: insights from experimental study into deep rock engineering …
To deeply understand the rock failure characteristics under actual engineering condition, in
which static geo-stress and dynamic disturbance usually act simultaneously, impact tests …
which static geo-stress and dynamic disturbance usually act simultaneously, impact tests …
A review of mechanisms and models for dynamic failure, strength, and fragmentation
Modeling of catastrophic disruption requires understanding the processes of dynamic failure
and fragmentation. This paper summarizes current mechanisms and models for dynamic …
and fragmentation. This paper summarizes current mechanisms and models for dynamic …
Ore pretreatment methods for grinding: Journey and prospects
Pretreatment of ores to improve energy efficacy of grinding has been explored for decades.
However, many of these techniques are still at developmental stages and a review has been …
However, many of these techniques are still at developmental stages and a review has been …
Dynamic tensile properties of sandstone subjected to wetting and drying cycles
Rocks are commonly used as building stone and construction materials in many
engineering applications. They usually undergo cyclic wetting and drying processes due to …
engineering applications. They usually undergo cyclic wetting and drying processes due to …
Failure and mechanical behaviors of sandstone containing a pre-existing flaw under compressive–shear loads: insight from a digital image correlation (DIC) analysis
Flaws play a critical role in mastering the mechanical responses and failure behaviors of
rock masses in practical engineering. In this study, a series of compressive–shear tests were …
rock masses in practical engineering. In this study, a series of compressive–shear tests were …
A scaling law for the dynamic strength of brittle solids
A universal scaling relationship is developed that describes the dynamic compressive
strength of brittle solids. The scaling is based on the micromechanics of the growth of cracks …
strength of brittle solids. The scaling is based on the micromechanics of the growth of cracks …
Dynamic progressive fracture behavior of axially confined sandstone specimens containing a single flaw
Rock masses are frequently subjected to dynamic disturbance in addition to pre-stress,
which plays a key role in the stability and safety of underground projects. In this paper, the …
which plays a key role in the stability and safety of underground projects. In this paper, the …
Dynamic characteristics of high stressed red sandstone subjected to unloading and impact loads
F Gong, W Zhong, M Gao, X Si, W Wu - Journal of Central South University, 2022 - Springer
In the process of deep projects excavation, deep rock often experiences a full stress process
from high stress to unloading and then to impact disturbance failure. To study the dynamic …
from high stress to unloading and then to impact disturbance failure. To study the dynamic …
Mesh objective stochastic simulations of quasibrittle fracture
Continuum finite element (FE) modeling of damage and failure of quasibrittle structures
suffers from the spurious mesh sensitivity due to strain localization. This issue has been …
suffers from the spurious mesh sensitivity due to strain localization. This issue has been …
Rate dependency mechanism of crystalline rocks induced by impacts: Insights from grain-scale fracturing and micro heterogeneity
Rocks in nature contain a large number of defects and exhibit strong heterogeneity on grain
scale. In this study, a novel three-dimensional multiscale method is proposed to investigate …
scale. In this study, a novel three-dimensional multiscale method is proposed to investigate …