Analysis and Design of Structures with Outrigger Arms

by Francois Cheong-Siat-Moy, California State Univ, Sacramento, United States,

Document Type: Proceeding Paper

Part of: Approximate Methods and Verification Procedures of Structural Analysis and Design


Although sophisticated computer methods are available for analyzing an entire building structure, there is a need for simplified methods (a) for checking the accuracy of the computer analyses, (b) for enabling a rapid design and (c) for providing an insight into the behavior of the structure. It is this philosophy that led to the development of a relatively simple technique for calculating the deflections of braced frames with outrigger arms and for predicting the magnitude of the axial forces in the columns. The accuracy of the above procedure has been verified by comparison with computer analyses of the entire structure. The method has also been used to explain why some of the leeward interior columns go into tension contrary to what is generally expected.

Subject Headings: Structural behavior | Building design | Columns | Structural analysis | Frames | Computer analysis | Approximation methods | Structural deflection

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