TY - JOUR
T1 - Experimental and numerical investigation of bolted steel endplate with bonded sleeve end connections for pultruded GFRP circular tubular hollow beams
AU - Higgoda, Thumitha Mandula
AU - Elchalakani, Mohamed
AU - Kimiaei, Mehrdad
AU - Guo, Xiao
N1 - Funding Information:
The authors acknowledge VHM Solutions , Perth, Australia, for their technical and financial support. The authors are thankful to the senior lab technicians, Stephen Naulls and Richard Bowles, for their assistance in setting up the experiments in the lab. The research was conducted while the first author was in receipt of a financial scholarship co-funded by the University of Western Australia and VHM Solutions.
Publisher Copyright:
© 2023 The Author(s)
PY - 2023/11
Y1 - 2023/11
N2 - The paper presents an experimental and numerical investigation of bolted steel endplates with bonded sleeve connections developed for connecting pultruded glass fibre-reinforced polymer (GFRP) circular tubular beams. The moment-rotational responses were investigated in detail in terms of initial rotational stiffness, moment capacity, and rotation capacity for all the connections. The effect of endplate thickness and bonded sleeve length was also investigated. Predominant failure modes include bending and yielding of thinner endplates, while thicker endplates with low bonded sleeve lengths exhibit splitting failure in the bonded GFRP beam region. Available design codes for steel joints were used to classify the developed connections in terms of rigidity and strength. The failure modes from the finite element models were well matched by the experimental observations, which include the deformation of the endplate and the cohesive failure within the bonded sleeve region with the GFRP beam.
AB - The paper presents an experimental and numerical investigation of bolted steel endplates with bonded sleeve connections developed for connecting pultruded glass fibre-reinforced polymer (GFRP) circular tubular beams. The moment-rotational responses were investigated in detail in terms of initial rotational stiffness, moment capacity, and rotation capacity for all the connections. The effect of endplate thickness and bonded sleeve length was also investigated. Predominant failure modes include bending and yielding of thinner endplates, while thicker endplates with low bonded sleeve lengths exhibit splitting failure in the bonded GFRP beam region. Available design codes for steel joints were used to classify the developed connections in terms of rigidity and strength. The failure modes from the finite element models were well matched by the experimental observations, which include the deformation of the endplate and the cohesive failure within the bonded sleeve region with the GFRP beam.
KW - Bolted endplate
KW - Bonded sleeve
KW - Circular tubular
KW - Connection
KW - GFRP
KW - Pultruded
UR - http://www.scopus.com/inward/record.url?scp=85171730112&partnerID=8YFLogxK
U2 - 10.1016/j.tws.2023.111193
DO - 10.1016/j.tws.2023.111193
M3 - Article
AN - SCOPUS:85171730112
SN - 0263-8231
VL - 192
JO - Thin-Walled Structures
JF - Thin-Walled Structures
M1 - 111193
ER -