![]() The values for shear connector (stud) resistance given in Eurocode 4 (EN ), when used in combination with these modern decking profiles, have led to problems in achieving the minimum degree of shear connection for composite beams in comparison to the former BS 5950-3. A further innovation is in the use of 80mm deep deck profiles which allows beam spacing to be increased to 4.5m, and so the effective slab width acting compositely with the long span beams is also increased. For efficient design of composite cellular beams, asymmetric sections are often manufactured in which the bottom flange is larger than the top flange. ![]() Mark Lawson and Eleftherios Aggelopoulos of the SCI and Dennis Lam of the University of Bradford present the results from a recent test carried out at the University of Bradford to investigate the behaviour of a composite beam with a low degree of shear connection.Ĭellular beams are the preferred form of long span construction in multi-storey buildings.
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