SEDL / STP / STP896-EB / STP35316S

Predictions of Instability Using the Modified J, J^M-Resistance Curve Approach

Ernst, HA
Westinghouse R&D CenterTECHINTAmerican Welding Institute, PittsburghBuenos AiresKnoxville, PATN

Landes, JD
Westinghouse R&D CenterTECHINTAmerican Welding Institute, PittsburghBuenos AiresKnoxville, PATN

Pages: 11    Published: Jan 1985

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Abstract

This paper presents a method for predicting the behavior of an untested structure using the modified J, J^M-resistance curve approach. The method combines the J^M-R curve, calibration functions, and the expression for J^M for the untested geometry to provide the load-load point displacement characteristics and the J^M-T^M diagram of the structure. These two records contain all the information needed to assess structural behavior, maximum load, the tendency for instability, and the load-point displacement at every point.