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Structural Engineering and Mechanics
  Volume 10, Number 5, November 2000, pages 505-516

Inelastic behavior of standard and retrofitted rectangular hollow sectioned struts. II: Experimental study
Boutros M, McCulloch J, Scott D

Abstract     [Full Text]
    This paper is a presentation of an experimental study about the elastic-partly plastic behavior of rectangular hollow steel pinned struts subjected to static cyclic axial loading and the evaluation of the compressive strength of retrofitted crooked struts. Retrofitting is achieved by welding stiffening plates along the webs of damaged struts. The material follows a quasi-kinematic hardening hysteresis path as observed from coupon tests. Test results are compared to those of an analytical model showing a good agreement for both standard and retrofitted struts. The comparison of different stiffener plate dimensions shows that more efficient strengthening is achieved by using long thin stiffeners rather than short thick ones.
Key Words
    bracing, compressive strength, cyclic loads, hysteresis, partial plasticity, retrofitting, steel, struts, testing
Boutros M, Univ Western Australia, Nedlands, WA 6907, Australia
Univ Western Australia, Nedlands, WA 6907, Australia

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