We designed structural steel framing for a building. The builder installed the steel before we were able to review required shop drawings. Who takes on responsibility for the installed steel? The steel fabricator should not have delivered steel without approved shop drawings.
My firm conducted a structural inspection of a multifamily residence up for sale. I stamped the 9 page report with my Registered Professional Structural Engineer's stamp and signed and dated it. We got a call from a prospective buyer inquiring about the 2 page report! Apparently the client...
During an inspection of the interior of a church steeple spire, we noticed that there were masonry pockets built into the brick walls. Some of the pockets still had wood members in them but the rest of the wood members were water damaged and termite damaged and had fallen to the floor below...
Does anyone have Roark's Formulas for Stress and Strain? I need equations for maximum bending moment, shear, and deflection for a flat plate fixed on three edges and free on one edge.
I have a client who wants me to design a 60' x 75' open sided canopy structure that will be covered with fabric. The fabric is to be removed in the fall and therefore he does not want us to include snow loads in the design. is this allowed? Does anyone have any experience with that kind of...
What is the appropriate design standard to use for designing a foundation for a wind turbine? I have been given reactions for the turbine and tower that were generated with RISA Tower, so they conform to TIA-222.
But can I take those loads and design a footing using ACI-318, like I would for a...
I am trying to gather information on the capacity of an existing roof system. The 1965 drawings call for the following roof system to span 8'-0" between joists: ". . .2" gypsum deck with 4x8-12/14 W.W.M. on 1-1/2" insulation foamboard and #228 bulb tees at 33" spacing"
Does anyone have any...
I have a client who needs to place concrete caissons 42" below grade (frost) for a new deck but he has groundwater in the bottom of the holes. What is the best thing for him to do? How would I determine an allowable soil bearing pressure?
Can anyone give me a design example for a non composite metal floor deck with a concrete slab supporting 100psf live load with a maximum span of 7'-0"? I am trying to understand the Vulcraft tables for selecting the slab and the deck but I can't tell if the "allowable uniform load" for the deck...
I conducted an inspection of a building dating to pre-1900. The floor is composed of steel beams supporting terra cotta clay tile. The tile appears to be about 12" thick and spans between the steel beams you'll see in the photo running left to right. The closely spaced members you'll see...
Can anyone point me in the right direction to designing a concrete counterfort wall. It has to be 28' tall and my cantilevered retaining wall is enormous.
I am trying to design the steel beam shown in the attached sketch. The beam span is 34'-0" and is loaded with 300 pounds per foot from the floor (one side only) and with 700 pounds per foot on the top flange from the roof framing (snow loads included). Because the top flange is unbraced I am...
