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The shear behavior of cantilever girders with corrugated steel webs has been investigated here experimentally and analytically. Three cantilever beams with corrugated steel webs were tested to failure under shear; the failure was due to buckling of the web. Computer program COSMOS/M 2.8 was used to perform nonlinear analysis to the models of the test specimens to determine ultimate load of these girders. Proposed interaction equation, which based on local buckling of the corrugation fold as isotropic flat plates, global buckling of the entire web panels as an orthotropic plate, and steel yielding of the web is presented. It was noted from the experimental and the analytical results that buckling of the web is local or global for the coarse or dense corrugation, respectively. Comparisons between the results from the proposed equation, the finiteelement analysis, and the tests are satisfactory.

NONLINEAR BEHAVIOR OF CANTILEVER GIRDERS WITH CORRUGATED STEEL WEBS