A Finite Element Analysis of Bearing Resistance of Timber Loaded through a Steel Plate
Penulis/Author
Ir. Ali Awaludin, S.T., M.Eng., Ph.D., IPU., ACPE. (1); Hirai, T. (2); Hayashikawa, T (3); Leijten, A.J.M. (4)
Tanggal/Date
14 2012
Kata Kunci/Keyword
Abstrak/Abstract
Decrease projected length of bolts due to bending deformation in timber jointscompresses the steel washers onto timber member and increases lateral resistance of the joints. As this lateral strength increase primarily depend on bearing characteristics of timber beneath the steel washers, a finite element analysis was performed to predicttheir bearing-embedment behavior. A 3-D finite element model consisting of 8-node solid and contact pair elements was developed using ANSYS assuming an anisotropic plasticity model for timber and an elastic-perfectly plastic model for the washers. Material constants for both steel washer and timber member were obtained from previous test data. The results of the analysis were in good agreement with the experimental load-embedment curves as well as the analytical curves obtained in a previous study based ona rigid-body-spring-model. The same approach was also used to evaluate the effective bearing length (under uniform compression) of a 50 mm depth timber block partially compressed.
