Abstract

The objective of the contribution is to describe the main results and conclusions of a several years’ experimental investigation into the ultimate limit state of steel plate girders whose thin webs were loaded by a partial edge load. Altogether 184 experimental girders were tested, with the following geometrical characteristics of the test girders being varied from girder to girder: (i) the depth-to-thickness ratio of the webs, (ii) the flange size, (iii) the position of the longitudinal rib, (iv) its dimensions and (v) the length of load. Special care was given to a study of (a) the stiffeners location and size and (b) the dimensions of the loaded flange upon the progression of plastification, the failure mechanisms and ultimate strengths of the girders tested.

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