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  • Users: Stl63
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  1. Stl63

    Stiffened Plate with Single Angle

    When stiffening a duct plate with single angles, you create a cross section of an unsymmetrical built-up shape; using an effective plate width of 16xt. The tip of the toe of one leg is welded to the plate. ''''''''''! ____!____ AISC 360-10 provides for flexure in unsymmetrical shapes in...
  2. Stl63

    Beam Deformation Load

    If you have an A36 bar 1" wide and 1-1/2" deep. 29" long between a hinge and a pinned latch. What force is required to permanently deform the bar, in the strong axis, by 7/8" at the center? The load is applied by a point at center span. "Saving the World One Beam at a Time"
  3. Stl63

    Sweden Structural Engineer Requirements

    Does anyone have experience in Sweden as a Structural Engineer? If so, what is their engineering license requirements, website available? Thanks "Saving the World One Beam at a Time"
  4. Stl63

    ASCE 7 Seismic Section 13 or 15

    A large machine requires a foundation of concrete piers that support it off of the ground. The machine Vendor supplied seismic loads at the equipment attachment to the piers per ASCE 7 Chapter 13 Nonstructural Components. The engineer designing the concrete piers has stated that they require...
  5. Stl63

    Pouring Concrete against steel column

    Can anyone provide guidance in the form of a detail, or description of the best way to pour an elevated slab against a steel column? Is a piece of joint material between the two sufficient for expansion, should there be joints around the area for cracking? "Saving the World One Beam at a Time"
  6. Stl63

    Slip on flange to pipe spool weld size

    Is there an industry standard for welding a carbon steel slip on flange B16.5 to carbon steel pipe, STD weight? What, if any, specification or code describes this? I understand that typically these are fillet welds, one outside of the pipe to the back edge of flange, and one inside between the...
  7. Stl63

    Equal Opportunity to Seminars

    My department consists of a dozen engineers. Three women. Six senior engineers, all male. Three newbies, all male. And the rest of us are middle class, including the three women. Two of the women have more experience years than I. Our manager recently decided to have four persons attend a...
  8. Stl63

    Autogenous Healing of cracks in foundation

    An 80'Dia. concrete tank has been constructed on top of a 6'-0 thick conrete foundation, no piles. There was a keyway with 6" waterstop in place prior to the placement of the tank walls. A large amount of vertical rebar embedded in the foundation protrudes into the tank wall on both sides of...
  9. Stl63

    Autogenous Healing Limits

    A concrete tank was hydro-tested, damp spots appeared along the entire circumference of the exteranl base of the tank. A few spots built up enough water to trickle to the trenchs. The contractor states that this is normal and will disappear within 30 days as the concrete hydrates. The tank and...
  10. Stl63

    Possible Complete Penetration Weld

    I have a 3/8" A36 plate to be joined, on edge, to a 1/4" A36 plate for a Silo shell. The plates will be flush on the inside. The design drawing states a bevel groove weld on the exterior, beveling the 1/4" plate, and then a square groove weld on the interior. Thus giving me a complete...

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