Investigation on the structural failure behaviour of pultruded circular tubular GFRP multiplanar truss bridges with non-metallic connections through finite element modelling

被引：8

作者：

Higgoda, Thumitha Mandula ^{[1
]}

Elchalakani, Mohamed ^{[1
]}

Wittek, Adam ^{[2
]}

Kimiaei, Mehrdad ^{[3
]}

Yang, Bo ^{[4
]}

机构：

[1] Univ Western Australia, Dept Civil Environm & Min Engn, 35 Stirling Highway, Perth, WA 6009, Australia

[2] Univ Western Australia, Sch Mech Engn, Intelligent Syst Med Lab, 35 Stirling Highway, Perth, WA 6009, Australia

[3] Univ Western Australia, Oceans Grad Sch, 35 Stirling Highway, Perth, WA 6009, Australia

[4] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China

来源：

ENGINEERING FAILURE ANALYSIS | 2022年 / 142卷

关键词：

FEM; Damage modelling; Cohesive surface contact; Tubular connections; GFRP multiplanar truss bridges; COMPOSITES; CFRP; CRITERION; JOINTS;

D O I：

10.1016/j.engfailanal.2022.106739

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The finite element (FE) method was used to investigate the failure of member connections of five glass fibre-reinforced polymer (GFRP) multiplanar truss bridges (MTB) with non-metallic con-nections. Three-dimensional FE models for the MTBs were developed and validated against previous experimental results and were accompanied by multiple parametric studies. Adhesive failure of the brace occurs progressively around the perimeter of the brace and GFRP laminate wrapping failure was not observed before adhesive bond failure of the brace. Furthermore, the failure sequence of the GFRP laminate layer and the adhesive bonding between the brace and chord was found to be dependent on the brace wall thickness. Extent of the predicted fibre tensile rupture of the GFRP laminate was greater for cement mortar grouted GFRP rods than its non-GFRP grouted counterpart.

引用

页数：26

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