Search results for query: *

I have a project where I need to design a steel braced frame to resist wind loads. I have the columns, braces and welds figured out but have not been able to find a good reference for determining the thickness of the Gusset Plates in the braced frame. Can someone suggest a good reference...

I happen to have this exact problem with a project that I am currently working on. The reason the building manufacturer isn't giving me the broken out design loads is due to the contractor/owner not paying for more than 5% of the building cost. The manufacturer states that they need 25% of the...

Hello, I am designing a concrete foundation for a steel pre-engineered building. The spread footings at each column are located approximately 5 feet below finished grade. A concrete pilaster (or short column) will be cast on top of the spread footing and then the steel structure will be...

I'm designing a warehouse that will have both fork lift wheel loads and rack loads on a concrete slab on grade. I've done this kind of design before using ACI 360R - Design of Slabs on Ground. My small dillema is that everything is set up for an axle with 2 wheels. The forklifts on this...

Hello All, I'm working on a residential design that has a full basement below a one-story house. One of the basement walls is adjacent to the attached garage. So this wall has a full backfill of 8'-4" plus a wheel load that is about 2' horizontal from the front axle to the face of the...

When I do structural design for residences I often find that a steel moment frame is necessary in a large window wall. Normally I talk with the owner to discuss ways of reducing the windows so we can get wood framed shear walls to work or use a manufactured steel shear wall. However, I would...

I just had another idea. All the tables refer to roof and wall diaphragms. The thicknesses of the sheathing only go up to 19/32. My situation is for a floor diaphragm using 23/32 sheathing. Has anyone seen a table or report that covers floor diaphragms w/ 23/32 sheathing?

I'm designing a basement with an adjacent garage so that the wall is completely backfilled and also has a potential wheel load as a surcharge on the basement wall. My calculations show that the reaction at the top of the wall is 550 lbs horizontal. I've looked through my NDS books and all the...

The sign is an internally illuminated sign. The owner wants a sign that is 8'high x 26' long. The lighting manufacturer states that the depth of the sign is 30" to allow for clearances from the lights inside the sign. The vertical center of the sign will be approximately 34" above finished...

I have a new project to design a free standing sign for a local business. Originally they wanted to place the sign on their roof, but the roof and wall are not strong enough. Framing modifications could be done, but they would be cost prohibitive. I have a fair idea on how to go about the...

I've got an interesting project where an old elevator is being replaced by a new smaller elevator. The new installation requires the elevator guide rails to be attached to stand off brackets. The brackets are then attached to a Non-grouted CMU Wall The loading of the bracket is 8,500 lbs with...