On the Design of Continuous Composite Beams

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by Peter Ansourian, Univ of Sydney, Sydney, Australia,

Document Type: Proceeding Paper

Part of: Composite and Mixed Construction

Abstract: Methods of analysis and design of continuous composite beams are presented. Numerical analysis is used to determine the effective width of the slabs to be used in design. The influence of cracking in the negative moment region is assessed. Some shortcomings of the effective width concept are discussed. The effects of cracking on serviceability conditions and elastic design are assessed, and approximate methods for design are suggested. Plastic design methods are discussed in terms of available hinge rotation in sagging and hogging moment, with particular reference to analytical and experimental studies at the limits of applicability of the plastic method.

Subject Headings: Plastic design | Composite beams | Continuous beams | Cracking | Moment (mechanics) | Elastic analysis | Effective width |

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