Abstract

This paper presents a unique, cost-saving analysis procedure for a complex space frame structure subjected to earthquake and wind loadings. It is simplification by simulation of the structural model for a multi-story, unsymmetrical, reinforced concrete building subject to substantial lateral loads. The concept combined two computer analysis procedures and reduced the time and cost incurred in the overall analysis. From the building's Y-shaped plan, multi-story rigid frames were selected to resist motion transverse to the plane of each wing of the Y-shaped configuration. These so-called cross-frames, by means of the first analysis program, provided the properties of transverse resistance needed to simplify the three-dimensional behavior for analysis by the second program. Significant savings in calender time and costs were realized by the simulation, which is described in detail in this paper.

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