Concept and Background of Elastic Frame Analogies for Two-Way Slab Systems

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Title: Concept and Background of Elastic Frame Analogies for Two-Way Slab Systems

Author(s): S. Simmonds

Publication: Special Publication

Volume: 183

Issue:

Appears on pages(s): 1-16

Keywords: analysis; design; elastic frames; history; reinforced concrete slabs

Date: 5/1/1999

Abstract:
The justification for using elastic frame analogies to determine design moments in two-way slab systems is discussed. A brief history of two-way reinforced concrete slab design leading to the current code procedures is presented. This history includes a description of the various elastic frame analogies that have existed in past codes, the reasons for changes and the research leading to improved frame analogies. This is followed by a critical review of the Equivalent Frame Method in the current code with suggestions for improving and simplifying provisions for elastic frame analogies in future codes.