Fatigue Analysis of ECC-Steel Composite Deck under Wheel Trucking Load

This study conducts fatigue analysis of Engineered Cementitious Composite (ECC)-Steel composite deck, and evaluates fatigue durability under wheel trucking load repetitions. In the fatigue analysis, fiber bridging degradation model derived from micromechanics approach is applied to finite element analysis in order to represent the fatigue degradation of ECC. From the analytical result, it is confirmed that deflection is almost constant, and shear force on shear connectors is kept below shear load capacity during 1.2 million cycles of design load. Also, maximum crack width in ECC is controlled below harmful levels against the attack of environmental factors as well as the rupture of waterproof layer. Finally, fatigue at a welded joint between deck plate and U-rib is checked based on Japanese Society of Steel Construction (JSSC) code, and fatigue crack initiation is found to be potentially low.

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  • English

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Filing Info

  • Accession Number: 01684212
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Oct 3 2018 3:51PM