Radial Stresses in Curved Glulam Beamsby Vijaya K.A. Gopu, (M.ASCE), Asst. Prof. of Civ. Engrg.; Louisiana State Univ., Baton Rouge, La.,
Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 11, Pg. 2143-2150
Document Type: Journal Paper
A method for estimating the maximum radial tension and compression stresses in curved glulam beams of rectangular cross section is presented. The recommended precedure is based on a parametric study of beams representing a broad range of the key geometric variables and subject to pure bending and uniformly distributed loading. A trapezoidal finite element method was utilized to carry out the analysis of the beams. The overestimation of the radial tension stresses resulting from the simplied assumptions made in the current design procedure for the case of uniformly distributed loading is illustrated. The recommended method for estimation of the radial stresses for the practical loading case of uniformly distributed loading, improves the competitive position of this structural system.
Subject Headings: Curved beams | Radiation | Laminated materials | Load factors | Load distribution | Ultimate strength | Finite element method | Case studies
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