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Recent content by wudaijie

  1. wudaijie

    Heavy duty grating deflection formula

    It's single span. Thank you.
  2. wudaijie

    Heavy duty grating deflection formula

    Does anyone know how the formula come from? I checked into the Manufacturer's Catalog and found out the deflection equation is D = P*[(2L^3)-(a^2*L)+(a^3/4)]/96EI. Where P=load per bearing bar L=Clear Span a=Partial Load contact parallel to span Considering AASHTO H-20 vehicular load. Many thanks.
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