I need help understanding an aspect of this guide. I have a W24x162 with a 6" diameter hole with the opening edge 4" from the bottom of the beam. The guide establishes ho = Do = 6" and ao = .4Do = 2.7". Now for my question...The parameter ∝ν must be <= 1.0. When calculating ∝ν, the result is...
All opinions appreciated.
I have a client that has stumbled into a market that requires structural engineering to certify load capacities for items in a fabrication shop, such as shelves, racks, etc. I need to evaluate all the existing items which will be performed on an hourly basis, simple...
Could someone direct me to the NDS Load Duration Factor for RAIN? I am analyzing an old building with a flat roof for a client and I must provide, verify and/or justify all data. I need the information for the evaluation the roof structure for the Rain Load and a stability analysis for...
I have an apartment complex that was damaged by a wind storm event. Several trusses were broken and the gang nail plates were pried loose, to varying degrees, from the truss members. The top chords are twisted or rolled which pulled or pried the gang nail plates loose, at this point I assume...
I am designing a cmu block firewall. It is intended to have aluminum "fall away" clips on each side of the wall. My question is-- Can I consider these clips as a brace point for the wall, our do I need to design the wall as a free standing cantilevered wall (two and three stories)?
Thanks
I am doing some calculations for a client who is fighting an insurance claim. Long story short, I need to show that the original decking was inadequate; which I have proven. But, I would like to be certain that I have performed my calculations correctly.
The code for this particular city is...
I need to specify a floor grate over a trench drain inside a warehouse. I have never specified a grate before. Could someone recommend a source to determine size of grate and how to specify/call out? Also, the client has requested "lock down bolts", where can I find these and how should I...
Does anyone know of a form letter (or such) for conditional assessments? Perhaps some single, geek, engineer wants to impress everyone with their prowess by developing a word format form letter for the ASCE-11 and 30.
I received a call today from an architectural client requesting my assistance. I thought it would be interesting to get input from others.
He, the architect, designed a house under the 2000 IRC (maybe the 2003, I don't know yet), hence no engineer. The chimney was about 42-43 feet tall of...
I am analyzing a hotel/motel that was built in 1970. Does anyone know of a source from which I can get design data for that time? The building would have been under the 1967 UBC. Any help or thoughts would be appreciated.