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  1. WoodDesignCat

    Removal of "top flange and web" from beam with small truss above

    My company wants to re-orientate the vacuum lift rail shown in the attached picture, where we'd have to cut off the sloped members above the main steel beam, which acts as the rail. I'm planning on checking the remaining section for stiffness and strength and specifying minimum support lengths...
  2. WoodDesignCat

    Responsibility of Product Allowable Design values for an Evaluation Report, liability

    I'm considering working for a company (incorporated) who wishes to an Evaluation Report from IAPMO, a UES report (the same level of accreditation as an ICC-ES report, but a lesser know reporting agency). I would be doing the taking test reports from certified 3rd party labs, using acceptance...
  3. WoodDesignCat

    Can I Design and Stamp my Own House? Follow-up

    thread765-416915 I see this has already been asked, but I have some more questions on specifics. Can I design and stamp my own house to be built, if I don't own the land or have the money myself for the materials? I'm looking into a buy to build loan and would still have to have a mortgage. The...
  4. WoodDesignCat

    Buckling Capacity by Newmark's Numerical Procedures

    thread507-267603 thread507-278129 I'm trying to learn to use Newmark's Numerical Procedures for calculating buckling capacity of a column with varying cross section. In the thread507-267603 user BAretired said he posted some notes, but it looks like the were removed when the thread was closed...
  5. WoodDesignCat

    (Can we/ should we/ do we need to) require EOR signoff on shop drawings.

    I work for a company that prefabricates structural wall panels (all the walls in building, shear walls, load-bearing walls, non-load-bearing walls). I think that the EOR should be reviewing our shop drawings to ensure that our panels will match their design intent, but on a few jobs the engineer...
  6. WoodDesignCat

    Engineered Lumber Deflection including Shear Modulus

    Does anyone here include the shear modulus in their beam deflection calculations? I've worked at two different small structural engineering firms and as far as I know no one included shear deflections in beam calculations. Also the design software we used didn't include a way to check shear...
  7. WoodDesignCat

    Destructive Testing Steel, no safety factor.

    Most of my experience is from building design, where there are well defined safety factors and design stresses to use for steel based on ASD and LRFD design forces. After a career change I am now creating in house destructive tests for wood components, which sometimes include metal plates and...
  8. WoodDesignCat

    Incising factor for fastener capacity

    Why isn't there an incising adjustment factor for mechanical connections in the NDS? Or are there and I just can't find them? If the parallel to grain crushing value needs to be multiplied by 0.8 for incised wood needs to be multiplied by 0.8, it seems like faster bearing parralel to grain would...
  9. WoodDesignCat

    ASCE7-10 Breaking Wave Loads on Vertical Walls

    Hi all, I'm designing a building for dry flood proofing and need to design concrete walls for breaking wave loads. 1. Pmax and Ft do not need to be applied simultaneously correct? My understanding is that Pmax is maximum PSF, of the distributed loads used to create Ft. If you look at the...
  10. WoodDesignCat

    Wood Truss to Concrete / CMU Wall - Out-of Plane Connection

    There are a few other older threads that have discussed this topic, but I feel that some of them have come to different conclusions. I'm going to state some conclusions that I have come to and hope to get others input to see if there is a better connection than what I plan on doing. I have two...
  11. WoodDesignCat

    Downward (Positive) Wind force on Roof Overhang

    I'm an engineer in California, and when designing large overhangs I check them for the same components and cladding load as the main roof in the downward direction, and check them for the increased overhang load in the upward direction. But looking at ASCE7-10 and CBC 2013 I see no requirements...

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