Analysis of Tall Buildings Using Member Groups

by David J. Harman, Asst. Prof.; Faculty of Engrg. Sci., Univ. of Western Ontario, London, Canada,
William H. Walker, (M.ASCE), Assoc. Prof. and Asst. Head; Civ. Engrg. Dept., Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,

Serial Information: Journal of the Structural Division, 1975, Vol. 101, Issue 3, Pg. 567-583

Document Type: Journal Paper

Abstract: An approximate three-dimensional method is presented for static and dynamic lateral-load analysis of tall reinforced concrete buildings. Input preparation and computer expense are variable relative to the detail and accuracy required. Although only selected floors are described, the mathematical model is a constrained counterpart of a corresponding detailed model. Arrangements of coupled and interconnected shear walls combined with frames are analyzed. Flexural and shear strains of beams, slabs, columns, and walls and axial strains of columns and walls are treated directly. For a 43-story building, the two approximate analyses presented cost approximately one-quarter and one-third of the detailed analysis. Compared to the detailed solution, the fundamental modes and several subsequent natural modes and periods were very accurate.

Subject Headings: Shear walls | Axial forces | Beam columns | Three-dimensional analysis | Dynamic structural analysis | Reinforced concrete | Mathematical models | Static structural analysis

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