CUMULATIVE DAMAGE IN STEEL STRUCTURES SUBJECTED TO EARTHQUAKE GROUND MOTIONS

10,000ریال
تولید کننده: Computer and sructures
کد محصول: Elsevier
امتیاز جایزه: 10
موجودی: در انبار

بررسی اجمالی

Abstract


Experimental data are presented from low cycle fatigue tests of structural steel components. In these
tests the failure modes of local buckling in beam flanges and fracture at weldments were studied in detail.
Cumulative damage models are proposed which permit a life prediction for arbitrary cyclic loading histories. For
the local buckling failure mode a series of linear damage models is used to predict deterioration threshold and
deterioration, whereas a single model is used for the fracture mode. Crack propagation at weldments is modeled
with a crack growth rate model based on the plastic strain range. Adequate predictions of lives were obtained from
the analytical models
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HELMUTKRAWlNKLERand MAHMUDZOHREI
Department of Civil Engineering, Stantord University, Stanford, CA 94305, U.S.A
  

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