|Reference : Development of design rules for iron columns reinforced by FRP|
|Reports : External report|
|Engineering, computing & technology : Civil engineering|
|Development of design rules for iron columns reinforced by FRP|
|[en] Development of design rules for iron columns reinforced by FRP|
|Ly, Dong Phuong Lam [Université de Liège - ULg > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F >]|
|Demonceau, Jean-François [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]|
|Jaspart, Jean-Pierre [Université de Liège - ULg > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon. >]|
|[en] reinforcement, iron column, FRP ; design rules|
|[en] In the available literature, some techniques of reinforcement are proposed: reinforcement with the use of cables, replacement of damage elements, creation of a composite action by connecting the damage elements to a concrete slab, etc; but few of them are applicable to the Umberto 1 gallery. The one that seems to be applicable is the FRP (Fibre Reinforcement Polymer) technique. The behaviour of composite elements composed of FRP and steel members under tension seems to be known, but little information is available as far as the behaviour of such elements in compression.
Following the "Iron meeting" held in Naples on June 8th, 2006, tests on stocky elements with and without FRP are planned to be performed in tension and in compression to identify the effect of FRP on such elements. In addition, tests on slender columns will be performed with and without FRP to investigate the influence of the latter on the buckling resistance. All the tests will be accompanied by coupon tests to identify the mechanical properties of the constitutive material of the tested specimens (Liège contribution to WP7).
Based on the test campaign, analytical design rules founded on an elastic approach have been developed for the computation of the resistance of iron columns reinforced by FRP; these rules are detailed in the present section and reflect the contribution of the University of Liège to WP9.
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