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  • Users: Wollmann
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  1. Wollmann

    Code for Cable-stayed Bridge

    AASHTO LRFD is applicable, usually supplemented by proeject specific design criteria. We typically incorporate some of PTI's recommendations for stay cable design, testing, and installation. Also, ASCE has a slim booklet "Guidelines for the Design of Cable Stayed Bridges".
  2. Wollmann

    negative heel pressure at footings?

    For spread footings for bridges, the AASHTO LRFD specifications have rules for maximum eccentricity under strength load combinations: For spread footings on soil e < B/4, where B is footing width, for rock e < 3/8 B. Therefore, assuming triangular distribution, on soil you will need compression...
  3. Wollmann

    Metric units

    Wx is the equivalent of Sx - W stands for "Widerstandsmoment". Moment of Inertia is usually denoted either Ix or Jx in German. 1000 cm3 = 61 in3 Gregor Wollmann

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