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Buckling Capacities of Monosymmetric I-Beams
The paper examines the elastic lateral buckling of simply supported monosymmetric I-beams under transverse loads. Solutions are obtained in terms of the easily evaluated degree of beam monosymmetry. It was found that the moment modification factors of double symmetric I-beams presently used in design formula to predict the buckling capacities of monosymmetric I-beams could be unsafe. Consequently, alternative simple approximate formula are derived from the energy method, based on the study of the buckled mode shapes of monosymmetric I-beams. The proposed formula retain the familiar form of the well known solution of beams under uniform moment. Moreover, the paper gives guidelines for achieving the optimum degrees of beam monosymmetry.
Buckling Capacities of Monosymmetric I-Beams
The paper examines the elastic lateral buckling of simply supported monosymmetric I-beams under transverse loads. Solutions are obtained in terms of the easily evaluated degree of beam monosymmetry. It was found that the moment modification factors of double symmetric I-beams presently used in design formula to predict the buckling capacities of monosymmetric I-beams could be unsafe. Consequently, alternative simple approximate formula are derived from the energy method, based on the study of the buckled mode shapes of monosymmetric I-beams. The proposed formula retain the familiar form of the well known solution of beams under uniform moment. Moreover, the paper gives guidelines for achieving the optimum degrees of beam monosymmetry.
Buckling Capacities of Monosymmetric I-Beams
C. M. Wang (author) / S. Kitipornchai (author)
1985
45 pages
Report
No indication
English
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