Torsional Analysis of Cutout Beams

by Clarence W. de Silva, Asst. Prof. of Mech. Engrg.; Carnegie-Mellon Univ., Pittsburgh, Pa.,
David N. Wormley, Prof. of Mech. Engrg.; Massachusetts Inst. of Tech., Cambridge, Mass.,

Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 9, Pg. 1933-1946

Document Type: Journal Paper


The torsional deflection analysis of uniform hollow beams having a uniform cutout and subjected to a quasi-statically moving point torque is presented. An inherent deflection discontinuity is examined and a method to eliminate this incompatability problem is given. As a numerical example, a rectangular hollow beam used in an automated guideway transit application is studied.

Subject Headings: Torsion | Beams | Displacement (mechanics) | Automated transit systems | Statics (mechanics) | Discontinuities | Guideways | People movers

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