Water effects on rock strength and stiffness degradation

LNY Wong, V Maruvanchery, G Liu - Acta Geotechnica, 2016 - Springer
Reduction in strength and stiffness in rocks attributed to an increase in water content has
been extensively researched on a large variety of rock types over the past decades. Due to …

Effect of water saturation on dynamic behavior of sandstone after wetting-drying cycles

H Li, Y Qiao, M He, R Shen, Z Gu, T Cheng, Y **ao… - Engineering …, 2023 - Elsevier
Fully understanding the influence of water on the rock materials' mechanical properties is of
great significance to the safety design and evaluation in rock engineering. In this study …

[HTML][HTML] Advances in the understanding of the role of degree of saturation and water distribution in mechanical behaviour of calcarenites using magnetic resonance …

Á Rabat, R Tomás, M Cano - Construction and Building Materials, 2021 - Elsevier
A thorough knowledge of the variations of mechanical properties of rock materials with their
water content is essential for evaluating the structural behaviour and durability of stone …

What controls the mechanical properties of shale rocks?–Part I: Strength and Young's modulus

E Rybacki, A Reinicke, T Meier, M Makasi… - Journal of Petroleum …, 2015 - Elsevier
We performed mechanical tests on several, mainly European black shales with different
mineralogical composition, porosity and maturity. The uniaxial and triaxial compressive …

Effects of water content on fracture and mechanical behavior of sandstone with a low clay mineral content

Z Zhou, X Cai, D Ma, W Cao, L Chen, J Zhou - Engineering Fracture …, 2018 - Elsevier
This study investigated the effect of water content on quasi-static fracture behavior of
sandstone. Notched semi-circular bending (NSCB) tests were conducted on a total number …

Spatial-temporal response and precursor characteristics of tensile failure on disc coal samples of different sizes combining AE, EMR and DIC techniques

S Zhang, X Liu, X Zhou, X Wang, L Qiu, Z Gu… - Engineering Fracture …, 2024 - Elsevier
Tensile fractures in deep coal and rock mass can readily trigger dynamic calamities like rock
bursts, significantly impacting the safety of coal mining. To enhance our understanding of …

Investigation on the failure characteristics and fracture classification of shale under Brazilian test conditions

G Feng, Y Kang, X Wang, Y Hu, X Li - Rock Mechanics and Rock …, 2020 - Springer
The failure characteristics and the various induced fractures of shale are investigated in this
paper. Brazilian tests were conducted for different inclination angles of the weak planes of …

Water-weakening effects on the mechanical behavior of different rock types: phenomena and mechanisms

X Cai, Z Zhou, K Liu, X Du, H Zang - Applied Sciences, 2019 - mdpi.com
The presence of water strongly affects rock properties and would be related to a series of
geological disasters. To understand water saturation effects on the mechanical behavior of …

Mechanical characterization of uniaxial compression associated with lamination angles in shale

M Gao, M Yang, Y Lu, VA Levin… - Advances in Geo …, 2024 - ager.yandypress.com
This paper investigates the mechanical properties and damage laws of marine shale from
the Silurian Longmaxi Formation by conducting uniaxial compression experiments with …

Water-induced variations in dynamic behavior and failure characteristics of sandstone subjected to simulated geo-stress

X Cai, Z Zhou, X Du - International Journal of Rock Mechanics and Mining …, 2020 - Elsevier
In underground rock engineering, rock structures at great depth are commonly subjected to
water infusion, static geo-stress as well as the dynamic disturbances. It is thus essential to …