Abstract

This paper concerns with the behavior of the connections in the composite Profiled Steel Sheet with Ferrocement (PSSF) systems. The PSSF panels is a light weight composite panel consists of a profiled steel sheet (PSS) and ferrocement panel connected together by either mechanical fasteners or by epoxy adhesive resin. Ten push-out specimens were tested. The veriables were the strength of morter and the volume friaction of wire mesh for ferrocement panels, and types of connection between the two components. The ultimate load, the load slip relationship, and modes of failure were recorded. The results showed that the specimens connected by using* bolts of 10 mm diameter can sustain load greater by 64% than those connected by using bolts of 5 mm diameter. The ultimate load was found not to be inflenced** when the strength of ferrocement is increased from 35 MPa to 45 MPa. Also the effect of volume fraction of wire mesh was observed to enhance slightly the ultimate load when the layers of wire meshs is increased from 2 to 3 layers. For the specimens made by connecting the ferrocement components to the PSS by adhesive epoxy layer, a rigid connection was obtained and sudden separation occurred between the ferrocement component and steel sheet after local buckling of PSS.

Highlights

  • The composite Profiled Steel Sheet with ferrocement (PSSF) panel is a structural system, consists of two main components, namely, profiled steel sheet (PSS) and the ferrocement component

  • The results showed that the specimens connected by epoxy adhesive resin can sustain load greater than that connected by mechanical fasteners up to 76%, and the ultimate load depend on the thickness of dry board

  • For the first and second groups of specimens (Table 2), made by connecting the ferrocement component to the PSS by bolts, the specimens showed nearly identical failure behavior depending on the diameter of the mechanical bolts

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Summary

Introduction

The composite Profiled Steel Sheet with ferrocement (PSSF) panel is a structural system, consists of two main components, namely, profiled steel sheet (PSS) and the ferrocement component. Awang and Majid, (2010) studied the stiffness of the connectors of the PSSDB system by testing five groups of specimens under constant uniformly distributed loads in wet and dry conditions. They used one type of steel sheeting, Ajiya CL 660, and two different boarding, Primaflex and Cemboard, with different thicknesses. Two different types of self drilling, self tapping screw, DX 14 was used with Cemboard and DX-RW was used with Primaflex. The reduction in values of stiffness of Primaflex and Cemboard in wet specimens were 15% and 25% respectively

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