Fracture of saturated concrete and rocks under dynamic loading

NS Selyutina, YV Petrov - Engineering Fracture Mechanics, 2020‏ - Elsevier
A dynamic tensile strength of rocks and concrete is studied in a wide range of strain rates
using a structural-temporal approach. An idea of a material's fracture incubation time, taken …

[HTML][HTML] Universal method for the prediction of abrasive waterjet performance in mining

E Averin - Engineering, 2017‏ - Elsevier
Abrasive waterjets (AWJs) can be used in extreme mining conditions for hard rock
destruction, due to their ability to effectively cut difficult-to-machine materials with an …

Strain rate dependences of dynamic fracture toughness and fracture energy of rocks

NS Selyutina - Physical Mesomechanics, 2022‏ - Springer
This paper considers dynamic rock fracture from the viewpoint of the force and energy
limiting criteria formulated from the concepts of the structural-temporal approach. For each …

An analytical approach to dynamic spalling of brittle materials

C Yan, ZC Ou, ZP Duan, FL Huang - International Journal of Impact …, 2015‏ - Elsevier
An analytical method for the spalling phenomenon of brittle materials is presented, based on
the analytical expression, for the dynamic tensile strength of brittle materials with respect to …

Seismic barriers for protection against surface and headwaves: multiple scatters and metamaterials

NF Morozov, VA Bratov, SV Kuznetsov - Mechanics of Solids, 2021‏ - Springer
Perspective types of seismic barriers used to protect buildings and structures from the
influence of Rayleigh, Rayleigh–Lamb, and Love acoustic surface waves, as well as head …

Incubation time approach in rock fracture dynamics

V Smirnov, YV Petrov, V Bratov - Science China Physics, Mechanics and …, 2012‏ - Springer
The paper is summarizing latest results connected with application of the incubation time
approach to problems of dynamic fracture of rock materials. Incubation time based fracture …

A microscopical model for incubation time and its associated dynamic load-carrying capacity

X Yang, ZC Ou, C Yan, Z Duan… - International Journal of …, 2022‏ - World Scientific
In recent decades, the incubation time has become a critical parameter to study dynamic
failures for materials, but its underlying physical meaning is still vague and the …

Analysis of energy required for initiation of inclined crack under uniaxial compression and mixed loading

V Bratov, A Krivtsov - Engineering Fracture Mechanics, 2019‏ - Elsevier
The central aim of this work is to investigate energy input required for initiation of fracture
within quasibrittle media with existing defects. As a model problem, a solution for a central …

[PDF][PDF] Evaluation of fracture incubation time from quasistatic tensile strength experiment

NA Kazarinov, VA Bratov, YV Petrov… - Materials Physics and …, 2014‏ - ipme.ru
Incubation time being the main characteristic parameter for dynamic fracture process is
experimentally measured for PMMA utilizing optical methods. The specimen is …

[PDF][PDF] NUMERICAL SIMULATIONS OF DYNAMIC FRACTURE. CRACK PROPAGATION AND FRACTURE OF INITIALLY INTACT MEDIA.

V Bratov - Materials Physics & Mechanics, 2021‏ - bratov.com
The paper briefly reviews progress in numerical simulations of dynamic crack propagation
and fracture of initially intact media and presents examples of simulations utilizing finite …