[HTML][HTML] Dynamic notched semi-circle bend (NSCB) method for measuring fracture properties of rocks: Fundamentals and applications

W Yao, K Xia - Journal of Rock Mechanics and Geotechnical …, 2019 - Elsevier
Rocks are increasingly used in extreme environments characterised by high loading rates
and high confining pressures. Thus the fracture properties of rocks under dynamic loading …

[HTML][HTML] Effect of physical parameters on fatigue life of materials and alloys: a critical review

A Kaimkuriya, B Sethuraman, M Gupta - Technologies, 2024 - mdpi.com
Fatigue refers to the progressive and localized structural damage that occurs when a
material is subjected to repeated loading and unloading, typically at levels below its ultimate …

Dynamic response and fracture characteristics of thermally-treated granite under dynamic loading

S Akdag, M Karakus, GD Nguyen, A Taheri… - International Journal of …, 2023 - Elsevier
In the process of deep underground resource development and utilisation, the response of
the surrounding rock mass is affected by high temperatures and the dynamic loadings that …

Effect of thermal treatment on the mode I fracture toughness of granite under dynamic and static coupling load

T Yin, L Bai, X Li, X Li, S Zhang - Engineering Fracture Mechanics, 2018 - Elsevier
In order to study the effects of temperature and loading rate on the dynamic fracture
behaviour of granite under a given preload, dynamic fracture tests of pure mode-I were …

[HTML][HTML] Energy dissipation rate: An indicator of coal deformation and failure under static and dynamic compressive loads

J Feng, E Wang, X Chen, H Ding - International Journal of Mining Science …, 2018 - Elsevier
Dynamic disasters in Chinese coal mines pose a significant threat to coal productivity. Thus,
a thorough understanding of the deformation and failure processes of coal is necessary. In …

Experimental study on dynamic fracture behaviors of Beishan NSCB and CCNSCB granite specimens under different loading rates

Y Song, Z Yue - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
Beishan area in Gansu province of China has been listed as a major candidate for
underground constructions of high-level radioactive waste repository. Therefore, to explore …

Experimental study on effect of freeze-thaw cycles on dynamic mode-Ι fracture properties and microscopic damage evolution of sandstone

R Zhang, Y Yang, D Ma, Q Ping - Engineering Fracture Mechanics, 2023 - Elsevier
The investigation of dynamic fracture characteristics of sandstone after freeze-thaw (FT)
treatments is of great significance for the optimization of blasting parameters and stability …

An energy-based fatigue damage model for sandstone subjected to cyclic loading

T Li, X Pei, J Guo, M Meng, R Huang - Rock Mechanics and Rock …, 2020 - Springer
A series of laboratory tests are performed to determine the energy evolution and fatigue
behavior of sandstone subjected to cyclic loading, as well as the influence of the upper …

Determination of dynamic mode I fracture toughness of rock at ambient high temperatures using notched semi-circular bend method

WU You, T Yin, X Liu, X Tan, Y Zheng… - Transactions of Nonferrous …, 2022 - Elsevier
To investigate the influence of loading rate and high temperature on the dynamic fracture
toughness of rock, dynamic fracture tests were carried out on notched semi-circular bend …

X-ray microtomography applied to mortars: Review of microstructural visualization and parameterization

R Travincas, MFC Pereira, I Torres, A Maurício… - Micron, 2023 - Elsevier
The objective of the present work is to review the main applications of X-ray
microtomography in the microstructural study of mortars, based on a literature search related …