Flexural behaviour of pultruded circular tubular GFRP composite truss bridges with novel non-corrosive connections

Thumitha Mandula Higgoda; Mohamed Elchalakani; Mehrdad Kimiaei; Adam Wittek; Bo Yang

doi:10.1016/j.istruc.2022.09.063

Flexural behaviour of pultruded circular tubular GFRP composite truss bridges with novel non-corrosive connections

Thumitha Mandula Higgoda, Mohamed Elchalakani, Mehrdad Kimiaei, Adam Wittek, Bo Yang

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Five multiplanar truss bridges (MTBs) made of glass-fibre reinforced polymer (GFRP) circular tubular profiles incorporating different innovative non-metallic connections with adhesives, grouted GFRP rods and GFRP laminate wrapping are proposed. These MTBs were tested under flexure with static loading, and their perfor-mance surpassed the design load demands required by pedestrian bridges. One of the MTBs showed sufficient load capacity for heavy load platforms in Australian road bridge applications. Failure of the MTBs was triggered by member connections, and no damage such as local or member buckling of the individual members was observed. It was found that the combined effect of GFRP rods and GFRP wrapping on the connections increased the ultimate strength and the ductility of the MTBs. The capacity of the members and connections for the MTBs were calculated using available design guidelines and analytical equations which were compared and discussed with the experimental results.

Original language	English
Pages (from-to)	830-853
Number of pages	24
Journal	Structures
Volume	45
DOIs	https://doi.org/10.1016/j.istruc.2022.09.063
Publication status	Published - Nov 2022

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10.1016/j.istruc.2022.09.063

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title = "Flexural behaviour of pultruded circular tubular GFRP composite truss bridges with novel non-corrosive connections",

abstract = "Five multiplanar truss bridges (MTBs) made of glass-fibre reinforced polymer (GFRP) circular tubular profiles incorporating different innovative non-metallic connections with adhesives, grouted GFRP rods and GFRP laminate wrapping are proposed. These MTBs were tested under flexure with static loading, and their perfor-mance surpassed the design load demands required by pedestrian bridges. One of the MTBs showed sufficient load capacity for heavy load platforms in Australian road bridge applications. Failure of the MTBs was triggered by member connections, and no damage such as local or member buckling of the individual members was observed. It was found that the combined effect of GFRP rods and GFRP wrapping on the connections increased the ultimate strength and the ductility of the MTBs. The capacity of the members and connections for the MTBs were calculated using available design guidelines and analytical equations which were compared and discussed with the experimental results.",

keywords = "Multi-planar truss bridge, Non-metallic connections, GFRP, Circular tubular members, GFRP wrapping reinforcement, GFRP rods, BOND BEHAVIOR, T-JOINTS, STRESS, DESIGN, STEEL, BARS",

author = "Higgoda, {Thumitha Mandula} and Mohamed Elchalakani and Mehrdad Kimiaei and Adam Wittek and Bo Yang",

year = "2022",

month = nov,

doi = "10.1016/j.istruc.2022.09.063",

language = "English",

volume = "45",

pages = "830--853",

journal = "Structures",

issn = "2352-0124",

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T1 - Flexural behaviour of pultruded circular tubular GFRP composite truss bridges with novel non-corrosive connections

AU - Higgoda, Thumitha Mandula

AU - Elchalakani, Mohamed

AU - Kimiaei, Mehrdad

AU - Wittek, Adam

AU - Yang, Bo

PY - 2022/11

Y1 - 2022/11

N2 - Five multiplanar truss bridges (MTBs) made of glass-fibre reinforced polymer (GFRP) circular tubular profiles incorporating different innovative non-metallic connections with adhesives, grouted GFRP rods and GFRP laminate wrapping are proposed. These MTBs were tested under flexure with static loading, and their perfor-mance surpassed the design load demands required by pedestrian bridges. One of the MTBs showed sufficient load capacity for heavy load platforms in Australian road bridge applications. Failure of the MTBs was triggered by member connections, and no damage such as local or member buckling of the individual members was observed. It was found that the combined effect of GFRP rods and GFRP wrapping on the connections increased the ultimate strength and the ductility of the MTBs. The capacity of the members and connections for the MTBs were calculated using available design guidelines and analytical equations which were compared and discussed with the experimental results.

AB - Five multiplanar truss bridges (MTBs) made of glass-fibre reinforced polymer (GFRP) circular tubular profiles incorporating different innovative non-metallic connections with adhesives, grouted GFRP rods and GFRP laminate wrapping are proposed. These MTBs were tested under flexure with static loading, and their perfor-mance surpassed the design load demands required by pedestrian bridges. One of the MTBs showed sufficient load capacity for heavy load platforms in Australian road bridge applications. Failure of the MTBs was triggered by member connections, and no damage such as local or member buckling of the individual members was observed. It was found that the combined effect of GFRP rods and GFRP wrapping on the connections increased the ultimate strength and the ductility of the MTBs. The capacity of the members and connections for the MTBs were calculated using available design guidelines and analytical equations which were compared and discussed with the experimental results.

KW - Multi-planar truss bridge

KW - Non-metallic connections

KW - GFRP

KW - Circular tubular members

KW - GFRP wrapping reinforcement

KW - GFRP rods

KW - BOND BEHAVIOR

KW - T-JOINTS

KW - STRESS

KW - DESIGN

KW - STEEL

KW - BARS

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UR - https://www.webofscience.com/wos/woscc/full-record/WOS:000888959000003

U2 - 10.1016/j.istruc.2022.09.063

DO - 10.1016/j.istruc.2022.09.063

M3 - Article

SN - 2352-0124

VL - 45

SP - 830

EP - 853

JO - Structures

JF - Structures

ER -

Flexural behaviour of pultruded circular tubular GFRP composite truss bridges with novel non-corrosive connections

Abstract

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Pultruded Fibre-reinforced Polymer Circular Tubular Members, Connections and Structures

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