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Tests for the Compact Web Slenderness of Cold-Formed Rectangular Hollow Sections

T. Wilkinson / G. J. Hancock

This report describes a series of bending tests to examine the influence of web slenderness on the rotation capacity of cold-formed rectangular hollow sections (RHS) for use in plastic design. The results indicate that the plastic web slenderness limits in design standards, which are based on tests of I-sections, are not conservative RHS. There is considerable interaction between the webs and flange which influences the rotation capacity which is shown by approximate iso-rotation curves. A proposal for a linear interaction formula between the web and flange slendernesses for the Compact limits of RHS is given.

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Tests for the Compact Web Slenderness of Cold-Formed Rectangular Hollow Sections

T. Wilkinson / G. J. Hancock

This report describes a series of bending tests to examine the influence of web slenderness on the rotation capacity of cold-formed rectangular hollow sections (RHS) for use in plastic design. The results indicate that the plastic web slenderness limits in design standards, which are based on tests of I-sections, are not conservative RHS. There is considerable interaction between the webs and flange which influences the rotation capacity which is shown by approximate iso-rotation curves. A proposal for a linear interaction formula between the web and flange slendernesses for the Compact limits of RHS is given.

Tests for the Compact Web Slenderness of Cold-Formed Rectangular Hollow Sections

T. Wilkinson / G. J. Hancock

This report describes a series of bending tests to examine the influence of web slenderness on the rotation capacity of cold-formed rectangular hollow sections (RHS) for use in plastic design. The results indicate that the plastic web slenderness limits in design standards, which are based on tests of I-sections, are not conservative RHS. There is considerable interaction between the webs and flange which influences the rotation capacity which is shown by approximate iso-rotation curves. A proposal for a linear interaction formula between the web and flange slendernesses for the Compact limits of RHS is given.

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Title:

Tests for the Compact Web Slenderness of Cold-Formed Rectangular Hollow Sections

Contributors:

T. Wilkinson (author) / G. J. Hancock (author)

Publication date:

1997

Size:

102 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Structural Analyses , Construction Equipment, Materials, & Supplies , Beams(Supports) , Structural engineering , Elastic properties , Webs(Supports) , Steel structures , Buckling , Defects , Tension tests , Stess strain diagrams , I beams , Foreign technology

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