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Lateral Buckling Tests of Cold-Formed RHS Beams
In the report, tests on the lateral buckling of cold-formed rectangular hollow section (RHS) beams under uniform bending moment are described. The section size chosen for testing is 75 mm x 25 mm x 2.5 mm. The beam spans varied from 2000 mm to 7000 mm to produce a large range of beam slenderness ratios. Carefully designed loading and support systems were used in the tests to apply gravity load through the centroid of the section and to ensure that simply supported end conditions were achieved. The test results are compared with design rules in existing hot-rolled standards and cold-formed standards. Comparisons are also made with the predictions given by Pi and Trahair using the finite element method. An improved design rule is given for the lateral buckling of cold-formed RHS beams.
Lateral Buckling Tests of Cold-Formed RHS Beams
In the report, tests on the lateral buckling of cold-formed rectangular hollow section (RHS) beams under uniform bending moment are described. The section size chosen for testing is 75 mm x 25 mm x 2.5 mm. The beam spans varied from 2000 mm to 7000 mm to produce a large range of beam slenderness ratios. Carefully designed loading and support systems were used in the tests to apply gravity load through the centroid of the section and to ensure that simply supported end conditions were achieved. The test results are compared with design rules in existing hot-rolled standards and cold-formed standards. Comparisons are also made with the predictions given by Pi and Trahair using the finite element method. An improved design rule is given for the lateral buckling of cold-formed RHS beams.
Lateral Buckling Tests of Cold-Formed RHS Beams
X. L. Zhao (author) / G. J. Hancock (author) / N. S. Trahair (author)
1994
82 pages
Report
No indication
English
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