THE LIMIT STATES COMPRESSIVE STRENGTH ESTIMATION FOR SIMPLE STIFFENED PLATE WITH LARGE ASPECT RATIO

Abstract

 The compressive strengths of stiffened plates with a single longitudinal stiffener were examined from experimental and numerical results. First, totally four compressive loading tests of rectangular short columns consisting of four stiffened plates were carried out for two different slenderness parameters and two steel grades, namely ordinary steel SM490Y and bridge high-performance steel SBHS500. During the loading test, compressive load and longitudinal displacement as well as out-of-plane displacements were monitored. The adequacy of a nonlinear finite element model was verified using the test results, and it was confirmed that the developed analysis model reproduced the compressive behavior with sufficient accuracy. Finally, both mean and standard deviation of the ultimate as well as serviceability limit strengths are reported in comparison with road bridge specifications, such as AASHTO, Canadian Code and Eurocode.