Civil & Structural Supplement
Reviews the design of profiled sheeting in bending as permanent formwork in composite slabs. The properties of the profiles commonly used in composite construction were evaluated by a series of tests on single-span and double-span sheeting. The tests show that, for the double-span case, strengths considerably higher than the elastic design limit specified by codes of practice can be achieved. A method of design for continuous sheeting is proposed, based on a partial-plastic redistribution of moment from the support region to mid span. This offers significant economy by increasing permissible spans, while maintaining an adequate factor of safety against sheet bending failure during construction.
CIRIA was formerly known as the Construction Industry Research and Information Association. They are a member-based research and information organisation who publish reports and technical papers covering building and civil engineering as well as transport and utilities infrastructure.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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