University of Virginia Library

DESIGN FACTORS:

    a.

  • Resistance to temperature changes, earthquake, bouyancy, earth
    pressure, erosion from chemicals or stream sediments, ice load

  • b.

  • Live loads - weight and dynamics of vehicles including impact

    Dead loads - weight of structure itself

    Wind loads - may include flooding, ice, currents

  • c.

  • Standard specifications for vertical and horizontal clearances

  • d.

  • Special uses: heavy vehicles, railroads, saddle stock, construction
    equipment