LOW-COST FERROCEMENT COMPOSITE ROOF/FLOOR SYSTEM

Asim Elsanosi, Abdalla Khogali, Nada Abd-Elhaleim

Abstract


This paper, is a part of continuous research, aims to examine the suitability of cast-in-place Ferro cement composite slab as a roof/floor system. The continuous study is mainly based on experimentation. Ferro cement is a combination of cement/sand (1:2.5) mortar, having a compressive strength higher than 30 N/mm², and expanded metal with R6mm
bars, can be utilized in any form and shape not more than 50mm thick. Two panels each consist of a 50mm slab casted over corrugated zinc sheet of 1.0m width and 4.5m length supported by central two rectangle steel pipes spaced 50cm along the long side. The pipes were connected to the panels by self –drill screws and shear keys. Steel pipes were
(120mmx50mmx1.8mm) and (100mmx50mmx1.8mm) for each panel A and B respectively. For cast-in-place
technique, the whole floor will be casted in a single day, whereas, precast panels require forms and handling effort.
Panels were tested using 50kg cement bags as a uniform distributed load. The experimental results show that panels have enough strength and can be used within the allowable service deflection limit, as a roof/floor system.

Keywords


Ferro cement floor; Roof slab system; Composite beam; Composite floor

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