Effects of thermally-induced cracks on acoustic emission characteristics of granite under tensile conditions

P Guo, S Wu, G Zhang, C Chu - … Journal of Rock Mechanics and Mining …, 2021 - Elsevier
Temperature can affect the physical and mechanical properties of rocks. With the aim of
better understanding the effect of thermally-induced cracks on rock failure process, we …

Investigation on mode II fracture mechanical properties and morphology characteristics of double-edge notched cube granite after thermal shock

Z Shi, J Li, R Pathegama Gamage, M Wang… - Rock Mechanics and …, 2024 - Springer
To improve the mining efficiency of geothermal energy, this paper designed a mode II
fracture test of double-edge notched cube granite samples after a thermal shock to study the …

Mechanical behaviour of Lac du Bonnet granite after high-temperature treatment using bonded-particle model and moment tensor

W Sun, S Wu, X Xu - Computers and Geotechnics, 2021 - Elsevier
The thermal cracking mechanism has been increasingly investigated to analyse and solve
the mechanical behaviour of rocks in deep underground engineering. Classic laboratory …

Effect of temperature on macroscopic and microscopic properties of sandstone from Qidong coal mine

LC Deng, XZ Li, YC Wang, Y Wu, Z Huang… - Rock Mechanics and …, 2022 - Springer
Heat from gas explosions affects the physical and mechanical properties of rock and
reduces the stability of tunnels, such as in coal mines. This paper mainly studies the physical …

Influence of cooling speed on the physical and mechanical properties of granite in geothermal‐related engineering

L Deng, X Li, Y Wu, F Li, Z Huang, Y Ji… - Deep Underground …, 2022 - Wiley Online Library
In deep‐earth engineering, the high earth temperature can significantly affect the rock's
mechanical properties, especially when the rock is cooled during the construction process …

Effects of thermal treatment on the macroscopic physical properties and microstructure of Beishan fine-grained granite

ZX Liu, Y Wu, XZ Li, Z Huang, J Lin, XH Pan - Bulletin of Engineering …, 2022 - Springer
Beishan granite is an ideal surrounding rock for high-level radioactive waste repository, and
its stability plays an important role in the safe disposal of nuclear waste. However, the …

Damage characteristics of thermally treated granite under uniaxial compression: Insights from active and passive ultrasonic techniques

P Guo, S Wu, R Jiang, G Zhang - Journal of Central South University, 2022 - Springer
To explore the effects of thermal treatment on cracking processes in granite, granite samples
were thermally treated at 25–400° C and then loaded under uniaxial compression. Active …

Macro/Microfracture evolution and instability behaviors of high-temperature granite under water-cooling subjected to Brazilian splitting test using the DIC technique

X Wu, X Wu, S Zhang, Y Zhu - Plos one, 2023 - journals.plos.org
To investigate the evolution and stability characteristics of granite thermal damage, a series
of Brazilian splitting tests is conducted on high-temperature granite samples using digital …

[HTML][HTML] Kinetic characterisation of sandstone exposed to high temperature-water cooling cycle treatments under impact loading: from the perspective of geohazard

L Hong, W Wang, X Cao, Y Song, XW Lu, S Jiang… - Geohazard …, 2024 - Elsevier
Abstract Enhanced Geothermal Systems (EGS) improve geothermal energy extraction but
can cause rapid cooling of high-temperature rocks, leading to internal fractures that weaken …

Experimental Study of the Mechanical and Acoustic Emission Characteristics of Sandstone by Using High-Temperature Water-Cooling Cycles

W Wang, L Hong, X Cao, X Lu, F Wang, T Zhang… - Sustainability, 2023 - mdpi.com
In order to study the physical and mechanical properties of sandstone under high-
temperature water-cooling cycling conditions, an RMT-150B electrohydraulic servo rock …