Sizing Techniques for Lateral Bracing

by William F. Baker, Jr., Skidmore, Owings & Merrill, United States,

Document Type: Proceeding Paper

Part of: Building Code Requirements for Masonry Structures (ACI 530-88/ASCE 5-88) and Specifications for Masonry Structures (ACI 530.1-88/ASCE 6-88) (ACI 530.1-88/ASCE 6-88)


Techniques for determining the size of lateral bracing members in multi-story steel buildings are presented and discussed. Because the design of such bracing is usually controlled by deflection considerations, typical strength sizing methods are not applicable. The sizing methods presented are based on the LaGrange Multiplier technique which will result in the minimum volume structure for a given deflection limit for a statistically determine structure.

Subject Headings: Bracing | Steel structures | Structural stability | Building design | Structural design | Mid-rise buildings | Steel frames | Wind loads

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