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Plastic Analysis of Steel Structure

Author(s):

Honneshgowda D B , Dr.Ambedkar Institute of Technology; B S Suresh Chandra, Dr.Ambedkar Institute of Technology

Keywords:

Plastic analysis, Ultimate load, Stress distribution, Mechanism, Plastic hinge, Plastic moment, Shape factor, Upper bound theorem, Lower bound theorem, Collapse

Abstract

Plastic analysis offers several advantages over the traditional elastic analysis. With plastic analysis, a structure can be designed to form a preselected yield mechanism at ultimate load level leading to a known and predetermined response during ultimate condition. In plastic analysis of a structure, the ultimate load of the structure as a whole is regarded as the analysis criterion. The term plastic has occurred due to the fact that the ultimate load is found from the strength of steel in the plastic range. Varition of stress distribution in Elastic, Elasto-Plastic, and Plastic section. It include advantages and disadvantages of Plastic method. Paper also explain about plastic hinge, plastic moment, shape factor, methods of plastic analysis. Necessary conditions for plastic analysis and elastic analysis. Redistribution of bending moment at plastic state.

Other Details

Paper ID: IJSRDV5I40535
Published in: Volume : 5, Issue : 4
Publication Date: 01/07/2017
Page(s): 498-501

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