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Recent content by mdavis1

  1. mdavis1

    NBC 2005 Parking Garage Live Load?

    Since the underground parking garage has the loading from the pick-up/drop-off area above it, I would use the 12kPa loading. That area is going to have sidewalks and the pick-up/drop-off area is a driveway. I guess it depends on how much of that slab is under those areas, if all or most of it...
  2. mdavis1

    Screening Questions for engineer

    the hardest question in my experience is "tell me about yourself" it is very open ended and seems easy but it is actually a tough question to have a good concise answer to. and there will be "beauty pagent" questions in there but you still need to have good answers to them. i would suggest...
  3. mdavis1

    wind loads

    both you guys bring up good points. and not only do you need to make sure that the soil can handle it but since it is a portable i would assume a low psf for the soil since it could be sitting on very different soils. also the 100% empty strategy with the maximum wind event will be...
  4. mdavis1

    Where to get USGS seismic information for SDS, SD1, etc?

    yep, download and run it on your computer. just make sure you're using the correct building code while using that program and besides that you'll just need the zip code where your project is located.
  5. mdavis1

    Concrete Cover Below Ground

    i believe if the concrete is permanently exposed to the ground the cover should be 3".
  6. mdavis1

    Tilt Up Panels

    a few things here, L/50 is a good starting place for panel thicknesses, but I always keep the thickness to sawn lumber dimensions so panel forming is easier and quicker. the contractor can't really mess up panel thicknesses then. i usually start with 4ksi concrete and if need be go up to 5...
  7. mdavis1

    Does a handrail provide additional support against defelction?

    i'd just go with a bigger beam. no sense on count on the handrail to act against deflection when there's no good way to analyze exactly how much less the deflection will be.
  8. mdavis1

    Placement of traffic sign

    Put it behind a tree and create a speed trap!!
  9. mdavis1

    Beam Design

    Definitely need to check with your boss and ask more questions about this, but I have use: L/360 live load deflection in alot of cases. But that is for steel roof beams.
  10. mdavis1

    structural steel drawings

    I had limited experience in college reading plans. The important thing to do is ask questions to a senior engineer that has been reading plans for years. You see a lot of things over and over so it will not take you long to look at a set of plans and know whats going on. Asking questions is...
  11. mdavis1

    hurricanes and our feable attempt to withstand them

    First, I would like to say this is a good post and very relevant and applicable to what engineers do. In an ideal world with infinite money and resources engineers could design structures to withstand enormous forces. But we have to take into account probabilities of occurances, and the...

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