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Details of Grant 

EPSRC Reference: GR/K17279/01
Title: HOLLOW CORE FLOOR SLABS IN STEEL FRAMED BUILDINGS
Principal Investigator: Elliott, Dr K
Other Investigators:
Nethercot, Professor D
Researcher Co-Investigators:
Project Partners:
Department: Sch of Civil Engineering
Organisation: University of Nottingham
Scheme: Standard Research (Pre-FEC)
Starts: 01 November 1994 Ends: 31 October 1996 Value (£): 35,670
EPSRC Research Topic Classifications:
Civil Engineering Materials
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:  
Summary on Grant Application Form
Precast concrete hollow cored floors are used extensively in steel framed buildings. In most design cases the floor is considered in isolation from the beam, and composite action is not considered. This is not only uneconomic but does not reflect the real behaviour of the construction. The problem is complicated by the large number of material and geometric variables involved.At present a research student has been carrying out small pilot studies, both experimentally and numerically, at the department's expense to investigate the scope of this work. This has indicated the potential for obtaining a design method, but in order to proceed towards comprehensive design guidance a fundamental understanding of the behaviour is required.This project will study this behaviour experimentally in three different areas. 1. Flexural behaviour, including the development of a new type of shear connector which will replace the shear stud and transverse tie steel in the slab. 2. Continuity of negative moments at columns, where tensile forces must be generated in the slab zone in a ductile manner.3. Horizontal diaphragm action, where torsional failures may occur in the beam because the centroid of the floor and beam is not coincident.The results are expected to lead to design rules and recommended connection details.
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Organisation Website: http://www.nottingham.ac.uk