A CT image-driven computational framework for investigating complex 3D fracture in mesoscale concrete

Y Huang, S Natarajan, H Zhang, F Guo, S Xu… - Cement and Concrete …, 2023‏ - Elsevier
Accurate prediction of fracture in concrete depends on the characterization of real meso-
structures. Micro X-ray computed tomography (CT) can fulfil this task but is still too expensive …

Monte Carlo simulations of deformation behaviour of unbound granular materials based on a real aggregate library

J Li, J Zhang, X Yang, A Zhang, M Yu - International Journal of …, 2023‏ - Taylor & Francis
ABSTRACT The Monte Carlo simulation (MCS) has been developed to estimate the strength
distributions of heterogeneous materials influenced by different factors. The method …

Characterization and evaluation of morphological features for aggregate in asphalt mixture: A review

F Gong, Y Liu, Z You, X Zhou - Construction and Building Materials, 2021‏ - Elsevier
The objective of this paper is to review the current characterization and evaluation methods
and introduce emerging technologies of aggregate morphologies in asphalt mixture through …

[HTML][HTML] Review of visualization technique and its application of road aggregates based on morphological features

L Wang, Y Yao, J Li, Y Tao, K Liu - Applied Sciences, 2022‏ - mdpi.com
The sustainable performance of asphalt pavement depends on the quality and mix design of
road aggregates. Identifying aggregate morphology and size is a prerequisite step for …

A spherical harmonic-random field coupled method for efficient reconstruction of CT-image based 3D aggregates with controllable multiscale morphology

F Guo, H Zhang, Z Yang, Y Huang… - Computer Methods in …, 2023‏ - Elsevier
The physical and mechanical performance of concrete is inherently dependent on
aggregate morphology including the general shape at coarse-scale, the local roundness at …

DEM modeling of large-scale triaxial test of rock clasts considering realistic particle shapes and flexible membrane boundary

J Zhang, X Wang, ZY Yin, Z Liang - Engineering Geology, 2020‏ - Elsevier
This paper presents a novel framework for the discrete modeling of the large-scale triaxial
test of rock clasts, considering both the realistic particle shapes and veritable flexible …

An efficient computational framework for generating realistic 3D mesoscale concrete models using micro X-ray computed tomography images and dynamic physics …

Y Huang, F Guo, H Zhang, Z Yang - Cement and Concrete Composites, 2022‏ - Elsevier
This study develops a computational framework for highly efficient generation of realistic
mesoscale concrete models by exploiting micro XCT 3D images, a bin packing algorithm …

Shape characteristics of granular materials through realistic particle avatars

CS Sandeep, A Hernandez, K Stangeland… - Computers and …, 2023‏ - Elsevier
The micro-and macroscale mechanical behaviors of granular materials strongly depend on
the morphological features of the grains. Imaging techniques, such as X-ray computed …

Exploring the role of particle-form polydispersity in the fabric of granular packing: Insights from DEM simulations with ellipsoidal particle assemblies

M Fan, D Su, Y Li, X Chen - Powder Technology, 2024‏ - Elsevier
Granular materials, such as sand, exhibit a wide range of particle sizes and shapes, known
as polydispersity. This study aims to investigate the effects of particle-form (first-level …

Discrete element modelling of the effect of aspect ratio on compaction and shear behaviour of aggregates

R Lu, Q Luo, T Wang, DP Connolly, K Liu… - Computers and …, 2023‏ - Elsevier
Coarse aggregates are essential for constructing railways and highways, as they affect
structural performance through their compacted state and shear strength. Particle geometry …