Behaviour of pultruded GFRP truss system connected using through-bolt with mechanical insert

摘要: Abstract This paper presents the experimental and analytical studies of double-chorded composite truss system connected using stainless steel through-bolts with mechanical inserts. The trusses were assembled rectangular hollow sections pultruded glass fibre reinforced polymer (GFRP) where adhesively bonded inserts introduced at vicinity joining areas. tested under 4-point bending (Load Case 1) 3-point 2). From this program, load-vertical deflection behaviour truss, internal forces distribution in members joint investigated. GFRP Load 1 was capable resisting maximum load capacity testing equipment 450 kN lowest factor safety 1.10 attained by external diagonal members. High axial compression experienced has exceeded American pre-standard theoretical bearing 2%, reflected minor damage observed on joints these Meanwhile, 2 failed 160 kN continuous top chords ruptured flexural manner. satisfactory comparisons between Strand 7 model results demonstrated validity adopted simplified numerical model. Additionally, strength limits tension, according to are close agreement results.