DOI : https://doi.org/10.18517/ijaseit.8.4.4367

Parametric Study of EWECS (Engineering Wood Encased Concrete-Steel) Columns Using 3D FE Modelling

Fauzan (1), Ruddy Kurniawan (2), Zev Al Jauhari (3)
(1) Andalas University
(2) Andalas University
(3) Andalas University
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How to cite (IJASEIT) :
Fauzan, et al. “Parametric Study of EWECS (Engineering Wood Encased Concrete-Steel) Columns Using 3D FE Modelling”. International Journal on Advanced Science, Engineering and Information Technology, vol. 8, no. 4, July 2018, pp. 1015-21, doi:10.18517/ijaseit.8.4.4367.
Citation Format :
This paper presents an analytical study on the behavior of composite column that consist of an exterior wood panel with concrete encased steel (CES) core, hereafter referred to as Engineering Wood Encased Concrete-Steel (EWECS) columns. A detailed three-dimensional (3D) nonlinear finite element model is developed to study the response and predict the seismic performance of EWECS columns subjected to both axial and cyclic loads by using finite element program, ANSYS APDL v.14. A reference model is validated with previous test results and is used as a reference for the parametric study. The parameters considered in the parametric study are the thickness of the wood panel and the compressive strength of concrete. The analytical results obtained from the finite element analysis can accurately simulate the behavior of the EWECS column on the experimental study. The results show that the EWECS column has excellent seismic performance. Moreover, the results of the parametric study show that the thickness of wood panel has the greatest influence on the seismic behavior of the EWECS columns, with the increment of flexural capacity of 15% by addition of 10 mm thickness of the wood panel. Meanwhile, the increase of concrete strength has not much influence on the flexural capacity of the EWECS columns, in which the flexural capacity of the EWECS column only increases around 3% with the increase of concrete strength from 35 to 60 MPa.

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