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Bending and Torsion of Cold-Formed Channel Beams

B. M. Put / Y. L. Pi / N. S. Trahair

This paper reports the results of 34 bending and torsion tests on unbraced simply supported cold-formed steel channel beams loaded eccentrically at mid-span. These results and those of 10 concentrically loaded beams are compared with analytical predictions and with simple design approximations. The tests show that the beam strengths decrease as the load eccentricity increases, and that the strength is higher when the load acts on the centroid side of the shear centre than when the load acts on the side away from the shear centre. Good agreement is demonstrated between the test results and analytical predictions of the strengths. An extended series of analytical predictions is used to develop simple interaction equations that can be used in the design of eccentrically loaded cold-formed channel beams.

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Bending and Torsion of Cold-Formed Channel Beams

B. M. Put / Y. L. Pi / N. S. Trahair

This paper reports the results of 34 bending and torsion tests on unbraced simply supported cold-formed steel channel beams loaded eccentrically at mid-span. These results and those of 10 concentrically loaded beams are compared with analytical predictions and with simple design approximations. The tests show that the beam strengths decrease as the load eccentricity increases, and that the strength is higher when the load acts on the centroid side of the shear centre than when the load acts on the side away from the shear centre. Good agreement is demonstrated between the test results and analytical predictions of the strengths. An extended series of analytical predictions is used to develop simple interaction equations that can be used in the design of eccentrically loaded cold-formed channel beams.

Bending and Torsion of Cold-Formed Channel Beams

B. M. Put / Y. L. Pi / N. S. Trahair

This paper reports the results of 34 bending and torsion tests on unbraced simply supported cold-formed steel channel beams loaded eccentrically at mid-span. These results and those of 10 concentrically loaded beams are compared with analytical predictions and with simple design approximations. The tests show that the beam strengths decrease as the load eccentricity increases, and that the strength is higher when the load acts on the centroid side of the shear centre than when the load acts on the side away from the shear centre. Good agreement is demonstrated between the test results and analytical predictions of the strengths. An extended series of analytical predictions is used to develop simple interaction equations that can be used in the design of eccentrically loaded cold-formed channel beams.

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Title:

Bending and Torsion of Cold-Formed Channel Beams

Contributors:

B. M. Put (author) / Y. L. Pi (author) / N. S. Trahair (author)

Publication date:

1998

Size:

52 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Construction Equipment, Materials, & Supplies , Construction Materials, Components, & Equipment , Torsion , Structural members , Bending , Cold working , Bending moments , Bend tests , Eccentricity , Foreign technology

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