Effects of fiber characteristics and specimen sizes on static and dynamic split-tensile failures of BFLAC: 3D mesoscopic simulations

W Yu, C Xie, L Jin, X Du - Engineering Fracture Mechanics, 2024 - Elsevier
In this study, a three-dimensional mesoscopic numerical model considering concrete
heterogeneity and explicit modelling of basalt fibers was established to simulate the static …

Analysis of the influence of the attached mortar's geometry on the mechanical behaviour of recycled aggregate concrete through mesoscale modelling

Q Ren, J Pacheco, J de Brito, J Hu - Engineering Fracture Mechanics, 2024 - Elsevier
The geometry of the attached mortar present in recycled concrete aggregates influences the
behaviour of recycled aggregate concrete, since this mortar is porous, rough and tends to …

Three-dimensional aggregate modelling method and damage analysis of recycled aggregate concrete

J Ying, Y Jian, X Gan, B Chen, J Xiao - Composite Structures, 2024 - Elsevier
A new aggregate placement algorithm has been developed that can automatically identify
the remaining space after the aggregate is placed, and only new aggregates are placed in …

Mesoscale-based mechanical parameters determination and compressive properties of fully recycled coarse aggregate concrete

L Jin, Z Wang, T Wu, P Liu, P Zhou, D Zhu… - Journal of Building …, 2024 - Elsevier
The use of recycled coarse aggregate (RCA) to prepare concrete can reduce the depletion
of natural resources, such as sand and stone, and solve the issue of environmental pollution …

[HTML][HTML] Modeling the dynamic fracture of concrete—A robust, efficient, and accurate mesoscale description

C Grunwald, W Riedel, M Sauer, A Stolz… - Computer Methods in …, 2024 - Elsevier
Dynamic loading of concrete often leads to excessive cracking and fragmentation. Since
these processes are massively influenced by the underlying heterogeneity of the material …

Uniaxial tensile properties of steel fiber-reinforced recycled coarse aggregate shotcrete: Test and constitutive relationship

X Zhang, C Ma, C Liu, K Zhang, J Lu, C Liu - Construction and Building …, 2024 - Elsevier
This paper presents the uniaxial tensile characteristics and stress-strain curves of steel fiber-
reinforced recycled coarse aggregate shotcrete (SFRCAS). The study variables include …

一种基于绕晶失效模式的混凝土断裂分析模型.

李冬, 韩丛熹, 金浏, 杜修力 - … Mechanics/Gongcheng Lixue, 2024 - search.ebscohost.com
基于普通强度混凝土发生I-型开裂后的形态学特征, 充分考虑其材料组成的非均质性及细观尺度
绕晶失效模式, 建立了用于混凝土断裂破坏行为及其宏观力学性能研究的三维细观断裂理论分析 …

[HTML][HTML] Mesoscopic thermal field reconstruction and parametrical studies of heterogeneous rock-filled concrete at early age

X Xu, T Liang, S Yu, F Jin, A Xiao - Case Studies in Thermal Engineering, 2024 - Elsevier
Rock-filled concrete (RFC) is a highly heterogeneous material composed of rock blocks and
self-compacting concrete (SCC). There is still limited literature regarding the non-uniform …

A novel method to prevent chloride from accumulating on surface of reinforcement in concrete: Embedding diaphragm

X Chen, Q Zhang - Construction and Building Materials, 2024 - Elsevier
The corrosion of reinforcement embedded in concrete caused by chloride attack is the main
factor leading to the durability failure of reinforced concrete (RC) structures. A novel method …

[HTML][HTML] A study on the tensile fracture behavior of polypropylene fiber reinforced concrete based on a microscale model

H Wang, X He, M Zhou, B Wei, W Wu, G Zhou… - … and Building Materials, 2024 - Elsevier
Polypropylene fibers are distributed in concrete with varying shapes and quantities, which is
not conducive to microscopic modeling and analysis. This study aims to establish an …