Behavior and Strength of Stub-Girder Floor Systems

by Reidar Bjorhovde, Univ of Arizona, Tucson, AZ, USA,

Document Type: Proceeding Paper

Part of: Effects of Damage and Redundancy on Structural Performance


The paper presents a detailed evaluation of the behavior and strength characteristics of the stub-girder floor system. This is a composite girder and beam structure that integrates the electrical and mechanical service systems with a minimum of structural disruption. Emphasis is placed on the performance of the stub-girders themselves, but it is understood that in the overall design, it is also important to consider the influence of the floor beams and the slab, in addition to the interaction of all components with the structural framework. Following a description of the stub-girder and its individual components, including the common connections that are used for the girder in a frame, the paper outlines the modeling techniques that can be used for the structural analysis of the girder. The final sections of the paper outline the design procedures that are in common use today, and some of the considerations that must be made by the designer with regard to construction methods.

Subject Headings: Floors | Composite beams | Composite structures | Building design | Plate girders | Girders | Plastic design | Load and resistance factor design

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