Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hybrid Girders: Strength and Fatigue Design Rules Based on Experimental and Numerical Studies
The use of hybrid girders with yield strength for the web steel lower than that used for the flanges leads to a material cost saving in comparison to homogeneous girders. This paper investigates the effect of the yielded zone in the web, at its junction with the flange, on the static strength and the fatigue resistance of hybrid girders in bending. Nine fatigue tests on girders of 2 to 5 meter span with main details usually encountered in small and medium span bridges were realised and analysed. Crack growth for selected tests was simulated with a boundary-element program using linear-elastic fracture mechanics. The distances between measured restlines were evaluated by photogrammetric procedures and assigned to the recorded number of cycles. Some design recommendations in compliance with EN versions of Eurocodes concerning the static strength and the fatigue behaviour are presented.
Hybrid Girders: Strength and Fatigue Design Rules Based on Experimental and Numerical Studies
The use of hybrid girders with yield strength for the web steel lower than that used for the flanges leads to a material cost saving in comparison to homogeneous girders. This paper investigates the effect of the yielded zone in the web, at its junction with the flange, on the static strength and the fatigue resistance of hybrid girders in bending. Nine fatigue tests on girders of 2 to 5 meter span with main details usually encountered in small and medium span bridges were realised and analysed. Crack growth for selected tests was simulated with a boundary-element program using linear-elastic fracture mechanics. The distances between measured restlines were evaluated by photogrammetric procedures and assigned to the recorded number of cycles. Some design recommendations in compliance with EN versions of Eurocodes concerning the static strength and the fatigue behaviour are presented.
Hybrid Girders: Strength and Fatigue Design Rules Based on Experimental and Numerical Studies
Bitar, Daniel (Autor:in) / Trumpf, Heiko (Autor:in) / Galea, Yvan (Autor:in) / Lukić, Mladen (Autor:in)
Fifth International Conference on Composite Construction in Steel and Concrete ; 2004 ; Kruger National Park, Berg-en-Dal, Mpumalanga, South Africa
03.02.2006
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Steel , Yield , Girders , Concrete , Flanges , Composite structures , Hybrid methods , Fatigue
Hybrid Girders-Strength and Fatigue Design Rules Based on Experimental and Numerical Studies
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