دپارتمان مهندسی مکانیک ایران

انجمن مهندسی مکانیک

انجمن تست های غیر مخرب

انجمن علمی مهندسی پزشکی

انجمن بیومکانیک

آموزش تعمیر تجهیزات پزشکی

آموزش تعمیرات تجهیزات پزشکی

دوره های مهندسی پزشکی

دوره های آموزشی مهندسی پزشکی

انجمن مهندسی پزشکی

آموزش تعمیر تجهیزات دندانپزشکی

آموزش بازرسی جوش

آموزش پایپینگ


             

Membrane behavior in RC slabs subjected to simulated reinforcement corrosion

Abstract

Deterioration due to corrosion has been a growing concern in the last decades since it compromises the serviceability of structures and results in a decrease of the structural safety. Apart from deterioration, also the awareness of the importance of structural robustness has increased due to several failures with progressive collapse. The activation of membrane action in reinforced concrete slabs can significantly increase the structural robustness by providing an alternate load path. A validated numerical model for the tensile membrane behavior of reinforced concrete slabs is used to investigate the influence of (simulated) corrosion effects on this membrane behavior. A two-step analysis is adopted: first a cross-section analysis is performed, followed by an analysis of the structural member. It was observed that even for small corrosion levels, there was a significant influence on the ultimate bearing capacity of the slab. Finally, also the influence of different corrosion locations was investigated.

Keywords

  • Membrane action;
  • Corrosion;
  • Numerical analysis;
  • RC slabs

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