Experimental and numerical study on tensile properties of bolted GFRP joints at high and low temperatures

被引：15

作者：

Xue, Congcong ^{[1
,2
]}

Yu, Min ^{[1
]}

Yang, Biying ^{[1
]}

Wang, Tan ^{[1
]}

Saafi, Mohamed ^{[2
]}

Ye, Jianqiao ^{[2
]}

机构：

[1] Wuhan Univ, Sch Civil Engn, Wuhan 430072, Hubei, Peoples R China

[2] Univ Lancaster, Dept Engn, Lancaster LA1 4YR, England

来源：

COMPOSITE STRUCTURES | 2022年 / 293卷

基金：

中国国家自然科学基金;

关键词：

GFRP laminates and bolted joints; Tensile properties; High and low temperatures; DEM; FIBER-REINFORCED POLYMER; GLASS POLYESTER MATERIAL; MECHANICAL-PROPERTIES; EXPERIMENTAL BEHAVIOR; COMPOSITE; FAILURE; CONNECTIONS; CRACKS; BARS;

D O I：

10.1016/j.compstruct.2022.115743

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents both experimental and numerical studies on bolted glass fiber reinforced polymer (GFRP) joints subjected to uniaxial tension and different thermal conditions (-20 degrees C, 20 degrees C and 60 degrees C). Laboratory tests are conducted to obtain strength, elastic modulus and deformation of the joints. The numerical model is developed using the discrete element method (DEM) that can predict not only the above properties of the joints, but also the failure modes with detailed meso/micro damages that are in consistent with the observations from the tests. The DEM model is also used in the parametric studies to study the influence of the end distance to bolt/ hole diameter ratio and the lap width to bolt/hole diameter ratio on the mechanical properties and failure models of the joints.

引用

页数：15

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