A new 2D continuous-discontinuous heat conduction model for modeling heat transfer and thermal cracking in quasi-brittle materials

C Yan, Y Yang, G Wang - Computers and Geotechnics, 2021 - Elsevier
This paper proposes a new 2D continuous-discontinuous heat conduction model to simulate
heat transfer and thermal cracking in fractured quasi-brittle materials by combining with …

[HTML][HTML] Evaluation of Strength Anisotropy in Foliated Metamorphic Rocks: A Review Focused on Microscopic Mechanisms

U Waqas, MU Qureshi, S Saqib, HMA Rashid… - Geosciences, 2024 - mdpi.com
This review paper addresses the recent and past advancements in investigating the
anisotropic behavior of foliated metamorphic rock strength subjected to uniaxial or triaxial …

Coupled multiscale-modeling of microwave-heating-induced fracturing in shales

G Cui, T Chen, X Feng, Z Chen, D Elsworth… - International Journal of …, 2020 - Elsevier
Microwave heating may be used to stimulate fracture formation and the release of
hydrocarbons in gas shales. Although extensively studied experimentally and numerically …

Prediction modeling for the estimation of dynamic elastic Young's modulus of thermally treated sedimentary rocks using linear–nonlinear regression analysis …

U Waqas, MF Ahmed - Rock Mechanics and Rock Engineering, 2020 - Springer
Thermal cracking significantly affects the dynamic and mechanical stability of rock mass.
This study first focuses on the evaluation of dynamic-mechanical behavior of thermally …

Optimization of neural-network model using a meta-heuristic algorithm for the estimation of dynamic Poisson's ratio of selected rock types

U Waqas, MF Ahmed, HMA Rashid, ME Al-Atroush - Scientific Reports, 2023 - nature.com
This research focuses on the predictive modeling between rocks' dynamic properties and
the optimization of neural network models. For this purpose, the rocks' dynamic properties …

Damage characteristics of thermally deteriorated carbonate rocks: A review

U Waqas, HMA Rashid, MF Ahmed, AM Rasool… - Applied Sciences, 2022 - mdpi.com
This review paper summarizes the recent and past experimental findings to evaluate the
damage characteristics of carbonate rocks subjected to thermal treatment (20–1500° C). The …

Investigation of strength behavior of thermally deteriorated sedimentary rocks subjected to dynamic cyclic loading

U Waqas, MF Ahmed - International Journal of Rock Mechanics and Mining …, 2022 - Elsevier
This study focuses on the investigation of the strength behavior of thermally damaged rocks
subjected to dynamic cyclic loading. For this purpose, NX size rock samples were prepared …

Thermal cycling effects on the dynamic behavior of granite and microstructural observations

J Gao, L Fan, Z Wan - Bulletin of Engineering Geology and the …, 2021 - Springer
This study investigated the thermal cycling effects on the dynamic behavior of granite and
described its microstructure. The specimens were subjected to various numbers of thermal …

Artificial intelligence-based modeling for the estimation of Q-Factor and elastic young's modulus of sandstones deteriorated by a wetting-drying cyclic process

HM Awais Rashid, M Ghazzali, U Waqas… - Archives of Mining …, 2021 - journals.pan.pl
ArtificiAl intelligence-BAsed Modeling for the estiMAtion of Q-fActor And elAstic Young's
Modulus of sAndstones deteriorAted BY A Wetting-drYing cYclic Process in this study, a …

Damage characteristics and constitutive model of deep rock under frequent impact disturbances in the process of unloading high static stress

C Wang, S Zhan, M **e, C Wang, L Cheng… - …, 2020 - Wiley Online Library
During the mining of deep mineral resources, the rock is in the complex mechanical
environment of high crustal stress and blasting excavation unloading, and the improved …