Plastic Analysis and Design of Steel Structures - Malestrom




Preface

The plastic method has been used extensively by engineers for the

design of steel structures, including simple beams, continuous beams,

and simple portal frames. Traditionally, the analysis is based on the

rigid-plastic theory whereby the plastic collapse load is evaluated

through virtual work formulation in which elastic deflection is

ignored. For more complex frames, specialist computer packages for

elastoplastic analysis are usually employed. Current publications on

plastic design method provide means of analysis based on either virtual

work formulation or sophisticated plastic theory contained in

specialist computer packages. This book aims to bridge this gap.

The advent of computers has enabled practicing engineers to

perform linear and nonlinear elastic analysis on a daily basis using

computer programs widely available commercially. The results from

computer analysis are transferred routinely to tools with automated

calculation formats such as spreadsheets for design. The use of this

routine procedure is commonplace for design based on elastic, geometrically

nonlinear analysis. However, commercially available computer

programs for plastic analysis are still a rarity among the

engineering community.


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