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  1. structuralaggie

    Galvanized and stainless

    I have a fence that has stainless cables and connectors that attach to galvanized fence posts and chain link fabric. Is this a problem? I know you aren't supposed to mix these two, but its just a fence. Thanks.
  2. structuralaggie

    Are A307 Bolts Weldable?

    I have anchor bolts that were installed without enough bolt to the clear the top of the base plate. I speced A36 anchor bolts, but A307 were installed. The contractor wants to weld the base plate to the anchor bolts, but I don't know if A307 bolts can be welded to the base plate. Since the...
  3. structuralaggie

    steel pins

    Does any one know of a good refernce with design values of joints made with steel pins in timber construction? Apparently visible bolt heads are not desireable.
  4. structuralaggie

    low breaks for piers

    The 56 day break for the bell-bottomed piers on one of my jobs came back a little over 2100 psi. I had specified 3000 psi, however I was not privileged to see the mix design before hand, and now the builder wants me to come up with a fix or write a letter that says everything is ok. While I am...
  5. structuralaggie

    What buildings can a Civil Engineer Design?

    I am registered as a civil engineer in California. We are looking at doing some structural work in LA county, and I am trying to determine exactly what type of buildings I am authorized to design. The only restrictions I found on the board's web site was schools and hospitals, but I thought...
  6. structuralaggie

    Load Combinations with E and H

    I am working on a cantilever retaining wall that has seismic loading that was provided by the Geotech. Looking at stability and the load combination 0.6D+0.7E+H from ASCE7, is it appropriate to reduce E and H by the same amount that D is since they are both functions of D?
  7. structuralaggie

    Turnbuckle Capacity

    If the threads of the rod at least extend through the turnbuckle, is it safe to assume the tensile capacity of the rod will control design? By inspection it appears that the turnbuckle body has more steel than the rod. If not, are there published design values for these things? Thanks.
  8. structuralaggie

    Parking Garage Cost?

    Does anyone know what the total construction cost for a concrete parking garage on a per square foot basis would be? The project is in Los Angeles and it will be one story, with roughly 200 parking spots. I am just looking for a general number to compare what the contractor said it would cost...
  9. structuralaggie

    stress interaction factor?

    I have the fifth edition of the AITC timber construction manual and while designing the tapered end of a glulam I came across a CI factor, called the stress interaction factor. To the best of my knowledge, this factor is not in the NDS. If I have just missed it, someone please tell me. I...
  10. structuralaggie

    Cast in Place Culvert

    Some civil punk came up with this great idea to burry a culvert 60+ feet below finish grade and it was left up to me to design it. No big deal, I got the loads from the geotech and designed it. It looks more like a bomb shelter than a culvert, and would probably work as one too, unless it is...
  11. structuralaggie

    Digital Signature

    Does anyone know anything about digital signatures? Texas does not allow a scanned image of a signed seal, but it will allow a digital signature that will be removed if the electronic file is altered. The last set of drawings I issued, I had them printed out, then I signed them, and then...

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