Stub Girder Floor Systems

Reidar Bjorhovde

The Bjorhovde Group, Tucson, AZ

33.1 Introduction 33-1

33.2 Description of the Stub Girder Floor System 33-2

33.3 Methods of Analysis and Modeling 33-5

General Observations • Preliminary Design Procedure • Choice of Stub Girder Component Sizes • Modeling of the Stub Girder

33.4 Design Criteria for Stub Girders 33-12

General Observations • Governing Sections of the Stub Girder • Design Checks for the Bottom Chord • Design Checks for the Concrete Slab • Design Checks for the Shear Transfer Regions • Design of Stubs for Shear and Axial Load • Design of Stud Shear Connectors • Design of Welds Between Stub and Bottom Chord • Floor Beam Connections to Slab and Bottom Chord • Connection of Bottom Chord to Supports • Use of Stub Girder for Lateral Load System • Deflection Checks

33.5 Influence of Method of Construction 33-20

References 33-21

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