[HTML][HTML] Discrete mechanical models of concrete fracture

JE Bolander, J Eliáš, G Cusatis, K Nagai - Engineering Fracture Mechanics, 2021 - Elsevier
Discrete models of solids have been motivated, in large part, by the discontinuous and
heterogeneous nature of material structure and its breakdown under loading. The …

[HTML][HTML] Self-healing of microcapsule-based materials for highway construction: A review

E Ma, X Chen, J Lai, X Kong, C Guo - Journal of Traffic and Transportation …, 2023 - Elsevier
Maintaining the health and reliability of civil facilities is of strategic importance. In highway
engineering, pavement cracking impairs the road service and travel comfort level, while …

Grain-based discrete element method (GB-DEM) modelling of multi-scale fracturing in rocks under dynamic loading

XF Li, QB Zhang, HB Li, J Zhao - Rock Mechanics and Rock Engineering, 2018 - Springer
This study aims to explore dynamic behaviours of fracturing and damage evolution of rock
materials at the grain scale. A grain-based discrete element method (GB-DEM) is proposed …

About the dynamic strength enhancement of concrete-like materials in a split Hopkinson pressure bar test

QM Li, H Meng - International Journal of solids and structures, 2003 - Elsevier
Split Hopkinson pressure bar (SHPB) technique has been used widely to measure the
dynamic strength enhancement of concrete-like materials at high strain-rate between 101 …

[HTML][HTML] On the effect of ITZ thickness in meso-scale models of concrete

M Maleki, I Rasoolan, A Khajehdezfuly… - Construction and Building …, 2020 - Elsevier
This work addresses a knowledge gap in meso-scale modelling of concrete–the effect of
selected computational ITZ thickness on predicted macroscopic behaviour. A novel …

A three-dimensional meso-scale approach to concrete fracture based on combined DEM with X-ray μCT images

M Nitka, J Tejchman - Cement and Concrete Research, 2018 - Elsevier
The paper shows three-dimensional (3D) numerical mesoscopic results on progressive
concrete fracture at aggregate level in a notched concrete beam under bending. A classical …

Modelling of concrete fracture at aggregate level using FEM and DEM based on X-ray μCT images of internal structure

M Nitka, J Tejchman - Engineering fracture mechanics, 2015 - Elsevier
The paper describes two-dimensional meso-scale numerical results of fracture in notched
concrete beams under quasi-static three-point bending. Concrete was modelled as a …

Rate dependent behavior and modeling of concrete based on SHPB experiments

Y Al-Salloum, T Almusallam, SM Ibrahim… - Cement and Concrete …, 2015 - Elsevier
The dynamic behavior of concrete is studied experimentally by testing annular and solid
concrete specimens using split Hopkinson pressure bar (SHPB). The dynamic increase …

Further investigation on the dynamic compressive strength enhancement of concrete-like materials based on split Hopkinson pressure bar tests. Part I: Experiments

M Zhang, HJ Wu, QM Li, FL Huang - International journal of impact …, 2009 - Elsevier
Effects of the inertia-induced radial confinement on the dynamic increase factor (DIF) of a
mortar specimen are investigated in split Hopkinson pressure bar (SHPB) tests. It is shown …

Resistance of high-strength concrete to projectile impact

MH Zhang, VPW Shim, G Lu, CW Chew - International Journal of Impact …, 2005 - Elsevier
This paper presents the results of an experimental study on the impact resistance of
concrete with compressive strengths of 45–235MPa when subjected to impact by 12.6 mm …