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Recent content by epr

  1. epr

    Punching shear of a steel HSS column through flat slab

    Your best bet is to review a publication relative to lift slab construction. The bearing conditions of the lift slab procedure is exactly what you are concerned about.
  2. epr

    Red Flagging Jobs

    According to many of the states' licensing laws, a professional engineer is required to protect the public safety. However, in practical terms this usually means that the professional engineer should bring the unsafe condition to the attention of the building owner, and then if the danger is...
  3. epr

    ASCE 3-second gust wind speed map county by county?

    New Jersey also has their own. It is Bulletin 03-4 in the NJUCC Blue Book (Administrative Volume).
  4. epr

    Sawcutting of concrete topping on concrete plank

    There is absolutely no reason to cut control joints in concrete topping on single span plank. However, at the centerline of supports where plank is butt-jointed, it is advisable to cut a control joint in the topping.
  5. epr

    anchoring into existing brick wall

    First, the brick wall should not have an air cavity between the two wythes. If it is a bearing wall, the collar joint should be filled with mortar. That being said, I would grout the collar joint solid, and probably install through bolts and fish plates, unless the brick was in very sound...
  6. epr

    Adding Studs to Existing Composite Beam

    If you have a partial composite beam, and apparently you do, there is absolutely no problem coring and adding steel studs to increase the percent composite action. We have done exactly this on several occasions. Just core the holes large enough for the stud welder, and at least four times the...
  7. epr

    inground swimming pool inquiry

    It is actually a very common problem in many areas. The easiest thing to do is to maintain a reasonable amount of water in the pool (in addition to the concrete weight)to counter the buoyancy. Additionally, since there will undoubtedly be times when the pool must be emptied for maintenance, the...
  8. epr

    Lifting Loads - Proper Way to Account for in Design

    Granted, this may be a little late, based on the date of the original posting (I don't get a chance to log on much), but . . . it can assist anyone who may be searching later for info. The best information for design of the lifting frame is an article entitled "Design and Construction of...
  9. epr

    Few questions regarding Single Mast Sign Structures

    I recommend that you contact a company that manufactures single pole signs almost exclusively. They've got the design and the details down to a science, and the sign fabrication would likely be more economical. And yes, I agree with Civilperson, a drilled foundation is usually the better...
  10. epr

    WOOD KING STUD

    Builders (and many times architects) have a problem understanding the wall thickneses required for higher walls. I have found that the easiest way to explain it to them is as follows (tailored to your situation: "Assume the wall is an attic floor, with a 20' span and a 20 psf live load. What...
  11. epr

    WIRE ROPE

    dik, I'll send it to SRE, and he can determine whether he wants to post it on his site.
  12. epr

    WIRE ROPE

    JD2, I've got some practical, unpublished information regarding using remnants of prestressing strand in precast panels for lifting. The table was developed in 1972 by the chief engineer of Formigli Corporation, a well known precast manufacturer by whom I was employed at the time. The load...
  13. epr

    Too much free advice

    Eng-Tips is a very useful tool. Since I first became aware of this site a couple of years ago, I have searched for answers to some of my questions, I have posted a few questions, and I have responded to a few questions. I only wish that I could respond to more questions, because I believe my...
  14. epr

    Pilecap Design Software

    Does anyone know of a good design/analysis software for designing pilecaps? I've been using "TGPiles", by Digital Canal, but it seems that they no longer support it, and it is not really suitable for the Windows environment.
  15. epr

    Anybody use GEOPRO software?

    Like about GeoPro: Easy to use. Quick, similar to using a calculator, as opposed to a software program. Variety of computations for a reasonable price. Don't like about Geopro: Not very flexible. Limited input & output. For your purposes, it sounds like Geopro might be what you're after. I am...
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