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Mechanical Engineering


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  1. Bruce, Hopefully you will have an opportunity and the inclination to respond to my last post; I am looking forward to your input. I thought I would just move forward until then. The shelves obviously don’t just stay in the plane of the buildings I-beam columns. If they did they certainly would be very shallow shelves. They do extend forty inches away from the wall via three braced vertical components: The outer most part of these vertical components rest on the lower flange of the roof I-beam; like the similar component in the plane of the building’s vertical
  2. Hi Bruce, Thank you so much for responding! As I am sure you can tell, I am not an engineer so any input you can give me is greatly appreciated. If you don’t mind, I would like to describe to you, in a non-quantitative way, more detail regarding my arrangement with these shelves. I would like you to understand the arrangement better and I would like to get a feel for what risks I have created and if these problem areas can be mitigated. If you don’t mind I would like to describe for you the arrangement in two steps. The first being the shelf structure that is in the plane of
  3. Thank you Henry. You are probably correct about the building code but I will your equation a try. Mike
  4. Since I am hearing nothing but crickets here, maybe a little more information will coax someone to respond. Again, I would like to place the I-beams in question on the upper flanges of the existing structural I-beams. The would simply rest on the upper flanges and attach to the upper horizontal portion of the front part of the racks with all thread rod. Please see yellow line in one of the attached images. The racks will attach to the I-beams by using all thread rod that runs the length of the forward leg. You can see these rods extending upward from each forward leg in this photo:
  5. Hello All, first time on the Forum. I am hoping someone can help me select the correct size and material for an I-beam for a personal project. Briefly, I have installed heavy industrial shelving( like you see at Home Depot)in an airplane hangar. I have suspended or cantilevered them instead of having them rest on the ground. This is an unconventional installation but I wanted to preserve my work area. The back portion of the vertical components rest solidly on a horizontal beam. The front portion is unsupported from below however it is suspended from the lower flange of the ceiling I-
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