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.
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AISC 360-10 provides for flexure in unsymmetrical shapes in...
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"
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"
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...
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"
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...
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...
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...
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...
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...