Development of an elasto-plastic constitutive model for intact rocks

O Pourhosseini, M Shabanimashcool - International Journal of Rock …, 2014 - Elsevier
A constitutive model was developed to describe the nonlinear behaviour of intact rocks
under static loading. The model includes the pre-peak elastic and the post-peak strain …

A novel in-seam borehole hydraulic flushing gas extraction technology in the heading face: Enhanced permeability mechanism, gas flow characteristics, and …

H Zhang, Y Cheng, Q Liu, L Yuan, J Dong… - Journal of Natural Gas …, 2017 - Elsevier
The heading face in soft and low-permeability coal seams is one of the most high-risk areas
for Chinese coal and gas miners because of the number of outburst-related accidents. To …

Numerical simulation of mesomechanical properties of limestone containing dissolved hole and persistent joint

S Liu, H Liu, H Liu, Z Xia, Y Zhao, J Zhai - Theoretical and Applied Fracture …, 2022 - Elsevier
In order to reveal the complex mechanical properties and mesoscopic failure behavior of
limestone rock mass containing both dissolved hole defect and persistent joint, numerical …

A coupled elastoplastic damage model for brittle rocks and its application in modelling underground excavation

JC Zhang, WY Xu, HL Wang, RB Wang… - International Journal of …, 2016 - Elsevier
This study develops a coupled elastoplastic damage model for brittle rocks within the
framework of irreversible thermodynamics. In the model, degradations in the deformation …

Influence of dynamic disturbance on the creep of sandstone: an experimental study

W Zhu, S Li, S Li, L Niu - Rock Mechanics and Rock Engineering, 2019 - Springer
Dynamic disturbance such as blasting may significantly affect the creep of rock.
Quantification of the influence of dynamic disturbance on the creep behavior of rock is a …

A coupled macro-and meso-mechanical model for heterogeneous coal

J Wang, Z Wang, S Yang - International Journal of Rock Mechanics and …, 2017 - Elsevier
A thorough understanding of the deformation behavior, damage accumulation, and
progressive failure of heterogeneous coal is a prerequisite for effective control of the …

Numerical simulation of rock creep behavior with a damage-based constitutive law

QY Wang, WC Zhu, T Xu, LL Niu… - International Journal of …, 2017 - ascelibrary.org
Time-dependent creep behavior of rocks is crucial not only for assessing geophysical
hazards, such as earthquake rupture and volcanic eruption, but also for analyzing the long …

Time-dependent damage constitutive model for the marble in the Jinping II hydropower station in China

BR Chen, XJ Zhao, XT Feng, HB Zhao… - Bulletin of engineering …, 2014 - Springer
To accurately describe the damage creep properties of marble, especially during the
acceleration creep phase, creep testing was performed on the marble in the Jinping II …

Explanation of the effect of rapid cycling on oxidation, rumpling, microcracking and lifetime of air plasma sprayed thermal barrier coatings

S Ahmadian, EH Jordan - Surface and Coatings Technology, 2014 - Elsevier
The effect of cycle duration on thermally grown oxide (TGO) growth kinetics, bond coat
rumpling kinetics, microcracking and failure life was examined by cyclic furnace tests at …

[HTML][HTML] A thermodynamically consistent model accounting for viscoplastic creep and anisotropic damage in unsaturated rocks

TA Bui, H Wong, F Deleruyelle, LZ Xie… - International Journal of …, 2017 - Elsevier
This paper presents a new poro-viscoplastic damageable model for partially saturated rocks.
The hydromechanical modelling is based on the framework of mixture theory for multiphase …