Experimental Research on Structural Behaviors of Glulam I-Beam with a Special-Shaped Section
Ruyuan Yang1, Chaokun Hong2, Xiaofeng Zhang1, Quan Yuan3, Youfu Sun1,*
Journal of Renewable Materials, Vol.8, No.2, pp. 113-132, 2020, DOI:10.32604/jrm.2020.08190
(This article belongs to this Special Issue: Bio-composite Materials and Structures)
Abstract In order to enhance the bearing capacity of structural components, save
materials, and reduce cost, a glued laminated timber (glulam) I-beam that is theoretically suitable for engineering application was proposed. In this study, 18 glulam specimens were fabricated using larch dimension lumber and resorcinol–
formaldehyde resin. Four-point bending tests were carried out to compare the ultimate bearing capacity, strain, and deflection of various specimens. The results
showed that: (1) The typical failure mode at bending is the web shear failure parallel to grain. Before the failure, cracks and sounds appear at the beam web, which
represent the sudden brittle failure.… More >