Peridynamic modeling of freeze-thaw damage in concrete structures

被引：11

作者：

Wu, Pan ^{[1
]}

Liu, Yunpeng ^{[2
]}

Peng, Xuhao ^{[1
]}

Chen, Ziguang ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Aerosp Engn, Dept Engn Mech, Wuhan, Peoples R China

[2] Hubei Key Lab Engn Struct Anal & Safety Assessmen, Wuhan, Peoples R China

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2023年 / 30卷 / 14期

关键词：

Concrete; peridynamics; homogenization; freeze-thaw; internal damage; INTERNAL FROST DAMAGE; MESOSCALE SIMULATION; ADAPTIVE REFINEMENT; CRACK-PROPAGATION; FEM MESHES; CORROSION; FRACTURE; DURABILITY; DEFORMATION; CONVERGENCE;

D O I：

10.1080/15376494.2022.2064015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The peridynamic model introduced in this paper is capable of simulating the entire process of concrete freeze-thaw failure. The model considers the heterogeneity of concrete and a new loading method implementing the freezing force during freeze-thaw cycles is applied. The model is verified by comparing with the damage pattern of a cement paste sample captured in the experiment. Considering concrete's porosity, randomly distributed pre-damage is introduced to simulate freeze-thaw damaging in actual macroscopic concrete. The unique contribution to the field in this work, is the way to couple the damage with loading condition, through diffuse layers, not on mathematical interfaces.

引用

页码：2826 / 2837

页数：12

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