Parametric Study on Steel-Foamed Concrete Composite Panel Systems

International Journal of Civil Engineering

© 2017 by SSRG - IJCE Journal

Volume 4 Issue 8

Year of Publication : 2017

Authors : S.M.Leela Bharathi, P.Prabha

10.14445/23488352/IJCE-V4I8P103

How to Cite?

S.M.Leela Bharathi, P.Prabha, "Parametric Study on Steel-Foamed Concrete Composite Panel Systems," SSRG International Journal of Civil Engineering, vol. 4,  no. 8, pp. 16-23, 2017. Crossref, https://doi.org/10.14445/23488352/IJCE-V4I8P103

Abstract:

 Construction in earthquake prone areas demand light weight, high strength, large ductility and avoidance of fragmentation of elements. Innovative precast light weight structural panels can make housing safer, durable, stronger, energy efficient, comfortable, affordable and speedier constructions. As a part of this effort, few experimental investigations are already carried out at CSIR-SERC on precast lightweight steel-foam concrete composite panels for use as load bearing walls and flooring systems. The previous experimental studies revealed that the proposed connection assembly to join the composite panels exhibited rigid connection behaviour. Further studies are required to optimize the connection assembly behaviour. In this paper, three dimensional (3D) nonlinear elasto-plastic finite element analysis is carried out for appropriately evaluating the load-deflection behaviour of connection assembly between steel-foam concrete composite wall-floor panels using ABAQUS software. The influence of various parameters that affect the connection assembly behaviour such as effect of bolt holes, angle thickness, number of bolts, grade and diameter of bolt and connecting panel thickness are varied in order to optimize the connection behaviour. The behavior of the model simulated by considering the effects of bolt holes matches significantly well with the experimental model with the overestimation of 11.6% in the load carrying capacity. Since the shear studs are not modeled for simplification purposes tie constraints are given in that portion which is the reason for overestimation of load carrying capacity. By taking this model as reference further parametric studies are carried out. From the parametric studies, it is found that the angle and connecting panel thickness has considerable effect on the strength and behaviour of connection assembly and it is found that 8 mm and 1.6 mm are the optimum thickness for the angle connection and the connection panel portion.

Keywords:

Precast light weight structural panel; steel-foam concrete composite panel; nonlinear elasto-plastic finite element analysis; tie constraints; shear studs.

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