Effective Column Length in Polygon Shaped Framesby Kuang-Han Chu,
Robert H. Rampetsreiter,
Serial Information: Journal of the Structural Division, 1976, Vol. 102, Issue 8, Pg. 1629-1634
Document Type: Journal Paper
Circular buildings and elevated water tanks usually consist of polygon shaped space frames having vertical columns and horizontal beams arranged in the shape of regular polygon. For maximum effectiveness against lateral loading the minor axis of columns should be in the tangential direction of the circumscribing circle. The study is based on the stiffness method developed by Renton except that the effect of gusset plates is neglected for simplicity. In addition, a method is developed such that the effective length may be determined approximately by considering a single elastically supported column using the alinement chart given.
Subject Headings: Columns | Effective length | Frames | Lateral loads | Water tanks | Beam columns | Space frames | Maximum loads | Space construction | Load factors
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