CCFSS Library (1939 - present)

Abstract

PREFACE Cold-·formed channels and Z-shapes are widely used as purlins supporting roof surfaces which consist of light-gage steel panels or other material. If the panels are interconnected to form diaphragms, they brace the purlins and increase their carrying capcity sizeably. It is the purpose of this investigation to explore this bracing effect and provide tools for its utilization in~design. The author wishes to express his gratitude to Professors George Winter and Teoman Pekoz, Project Directors. Their suggestions, criticism and guidance made this work possible. The research project covered by this report was sponsored at Cornell University by the American Iron and Steel Institute. The valuable cooperation of Dr. Albert L. Johnson, Senior Research Engineer, American Iron and Steel Institute, Dr. J. Scalzi, Chairman of the Research and Specifications Subcommittee, Mr. T.J. McCabe, Chairman of Diaphragm Task Group and of the entire sponsoring organization is gratefully acknowledged. This report was originally a thesis presented to the Faculty of the Graduate School of Cornell University as a partial requirement for the Degree of Doctor of Philosophy to be awarded in January. 1972.

Department(s)

Civil, Architectural and Environmental Engineering

Sponsor(s)

American Iron and Steel Institute

Research Center/Lab(s)

Wei-Wen Yu Center for Cold-Formed Steel Structures

Publication Date

01 May 1972

Document Version

Final Version

Document Type

Technical Report

File Type

text

Language(s)

English

Technical Report Number

Report No. 344

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