Failure analysis of water-bearing rock under direct tension using acoustic emission

J Zhu, J Deng, F Chen, F Wang - Engineering Geology, 2022 - Elsevier
The potential mechanism responsible for water-weakening effects on the direct tensile
failure of rocks remains poorly understood due to the difficulty of experimental control and …

Multiscale Laboratory Study and Numerical Analysis of Water‐Weakening Effect on Shale

Z Li, S Liu, W Ren, J Fang, Q Zhu… - Advances in Materials …, 2020 - Wiley Online Library
Water‐weakening effect is one of the most important factors inducing large deformation and
stability problems of shale strata in the Huangjiazhai Tunnel. The influence of water on shale …

Influence of water content on the mechanical behaviour of limestone: role of the clay minerals content

F Cherblanc, J Berthonneau, P Bromblet… - Rock Mechanics and Rock …, 2016 - Springer
The mechanical characteristics of various sedimentary stones significantly depend on the
water content, where 70% loss of their mechanical strengths can be observed when …

Effect of water on the deformation and failure of rock in uniaxial tension

K Hashiba, K Fukui - Rock Mechanics and Rock Engineering, 2015 - Springer
To design and construct underground structures, it is essential to understand the mechanical
properties of rock in not only compression but also tension. It is well known that water is one …

DEM investigation of the fracture mechanism of rock disc containing hole (s) and its influence on tensile strength

QS Bai, SH Tu, C Zhang - Theoretical and Applied Fracture Mechanics, 2016 - Elsevier
Macroporosity, pores or holes are common in rock mass, and play important roles on
mechanical behaviors of rock mass. The aim of the numerical study presented in this paper …

Evolution of vertical knickpoints (waterfalls) with resistant caprock: Insights from numerical modeling

I Haviv, Y Enzel, KX Whipple… - Journal of …, 2010 - Wiley Online Library
Vertical knickpoints (waterfalls) mark a prominent process transition zone whose governing
mechanics is not represented by conventional stream power incision models. We examine …

Advanced in situ and laboratory characterisation of the ALPACA chalk research site

K Vinck, T Liu, RJ Jardine, S Kontoe… - …, 2022 - icevirtuallibrary.com
Low-to medium-density chalk at St Nicholas at Wade, UK, is characterised by intensive
testing to inform the interpretation of axial and lateral tests on driven piles. The chalk …

Continuous and discontinuous stability analysis of the bell-shaped caverns at Bet Guvrin, Israel

YH Hatzor, M Talesnick, M Tsesarsky - International Journal of Rock …, 2002 - Elsevier
The stability of two systems of bell-shaped caverns excavated some 1000 years ago at Bet
Guvrin National Park is investigated. The caverns were excavated in a weak, anisotropic …

Effects of water saturation on the strength and loading-rate dependence of andesite

K Hashiba, K Fukui, M Kataoka - … Journal of Rock Mechanics and Mining …, 2019 - Elsevier
Water saturation conditions in the rock masses around underground openings vary with
place and time. For the long-term stability assessment of underground structures, it is …

Experimental study on the failure process of water-bearing rock under uniaxial tension based on dominant frequency analysis of acoustic emission

J Zhu, J Deng, RYS Pak, J Liu, C Lyu - Bulletin of Engineering Geology …, 2023 - Springer
Water has substantial effects on the tensile failure behavior of rock engineering materials in
excavations and underground openings. However, our understanding of the tensile failure …