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Predictive models for strength enhancements in cold-formed structural sections

Predictive models for strength enhancements in cold-formed structural sections
Predictive models for strength enhancements in cold-formed structural sections

Cold-formed structural sections are manufactured at ambient temperature and hence undergo plastic deformations which result in an increase in the yield stress and ultimate stress, but reduced ductility. This paper begins with a comparative study of existing predictive models to harness this strength increase. Modifications to the existing models are then made and an improved model is presented. Tensile coupon tests from the literature have been used to validate and compare the predictive models. A wide range of structural section types from both cold-rolling and press-braking fabrication processes and structural materials, including various grades of carbon steel and stainless steel, have been considered.

391-398
CRC Press
Rossi, B.
157bc36c-4c52-4c21-94dd-8f7feb813971
Afshan, S.
68dcdcac-c2aa-4c09-951c-da4992e72086
Gardner, L.
2d5fc7ca-efd9-425a-981c-73d3937aca08
Gardner, Leroy
Rossi, B.
157bc36c-4c52-4c21-94dd-8f7feb813971
Afshan, S.
68dcdcac-c2aa-4c09-951c-da4992e72086
Gardner, L.
2d5fc7ca-efd9-425a-981c-73d3937aca08
Gardner, Leroy

Rossi, B., Afshan, S. and Gardner, L. (2012) Predictive models for strength enhancements in cold-formed structural sections. Gardner, Leroy (ed.) In Tubular Structures XIV - Proceedings of the 14th International Symposium on Tubular Structures, ISTS 2012. CRC Press. pp. 391-398 .

Record type: Conference or Workshop Item (Paper)

Abstract

Cold-formed structural sections are manufactured at ambient temperature and hence undergo plastic deformations which result in an increase in the yield stress and ultimate stress, but reduced ductility. This paper begins with a comparative study of existing predictive models to harness this strength increase. Modifications to the existing models are then made and an improved model is presented. Tensile coupon tests from the literature have been used to validate and compare the predictive models. A wide range of structural section types from both cold-rolling and press-braking fabrication processes and structural materials, including various grades of carbon steel and stainless steel, have been considered.

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More information

Published date: 26 October 2012
Venue - Dates: 14th International Symposium on Tubular Structures, ISTS 2012, London, United Kingdom, 2012-09-12 - 2012-09-14

Identifiers

Local EPrints ID: 429859
URI: https://eprints.soton.ac.uk/id/eprint/429859
PURE UUID: dadd95d7-d083-4721-94af-ef5ac7de945b

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Date deposited: 08 Apr 2019 16:30
Last modified: 08 Apr 2019 16:30

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