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Ultimate response and design of hybrid steel and stainless steels cross-sections

  • Full or part time
  • Application Deadline
    Applications accepted all year round
  • Self-Funded PhD Students Only
    Self-Funded PhD Students Only

Project Description

Hybrid steel plate and box girders are being extensively employed as beams both in bridge and building applications. Such members usually employ high strength steel flanges separated by a lower steel grade web to carry high bending moments about their major axis. Current design approaches for cross-section resistance utilize the cross-section classification procedure, according to which cross-sections are placed into discrete behavioural groups according to the slenderness of their most slender constituent elements. The design moment resistance is assumed to relate to the cross-section class. Following this approach element interaction, i.e. the fact that flanges and webs are interconnected and provide restraint to one another is neglected and the susceptibility of the cross-section local buckling is assumed to relate only to the most slender plate element comprising the cross-section. Moreover, strain-hardening, which can be significant for some lower steel grades and stainless steel grades, is neglected in favour of simplicity, even though stocky sections have been shown to exhibit significant strain-hardening.

This project will aim at developing novel design guidance in accordance with the observed structural response of hybrid girders for a variety of cross-section geometries and loading arrangements likely to occur in practice. The response of short compression members and restrained beams will be initially investigated followed by studies on more general loading arrangements. It is envisaged that the developed design guidance will feed into the future revisions of Eurocode 3.
Applications are sought from individuals with a background in civil/structural and an interest in Steel structures. A good command of the English language (verbal and written) is considered essential. Informal enquires can be sent to Dr Marios Theofanous () and in the first instance should contain a covering letter and a CV.

To find out more about studying for a PhD at the University of Birmingham, including full details of the research undertaken in the School, the funding opportunities available for your subject, and guidance on making your application, you can order a copy of our Doctoral Research Prospectus, at: http://www.birmingham.ac.uk/drp

Funding Notes

For excellent applicants (very good first degree), there is the potential for funding for Home / EU students that will cover fees at the current Home / EU student rate and a stipend. Overseas students are welcome to apply but should note that they will be required to be either completely self-funding, or to make up the difference between Home and Overseas fees. Please also search available sources of funding at: View Website

How good is research at University of Birmingham in Civil and Construction Engineering?

FTE Category A staff submitted: 18.10

Research output data provided by the Research Excellence Framework (REF)

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