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  1. MathMan

    Drycleaning Solvent Information

    Does anyone has a quick source for drycleaning solvent information, specifically perchloroethylene? I am trying to classify the chemical in accordance with NFPA 32, but not being a chemist, I'm having a hard time knowing where to look!
  2. MathMan

    Working Stress Nail Capacity - Clinched Nails

    Can anyone perhaps email/fax me the appropriate tables out of the latest working stress code for 3-1/2" nails in western spruce/pine/fir, with metal side plate, clinched on the back side, under dry impact loading conditions. Let me know if you can help, and i'll give you my email or fax #...
  3. MathMan

    Nails in Pull-Out

    Does anyone know of any empirical values for allowable nail pull-out forces? I am in Alberta, Canada, and the design code we use here is the CSA 086.1-94. There is a section on nails in pull-out, and it says that such a load on a nail can only be used in wind or earthquake design. I don't have...
  4. MathMan

    Pipes/Conduits in concrete slabs

    I am unable to find a rule of thumb for maximum size of pipes running horizontally under the top mat of a flat suspended slab. My first guess would be that anything above 1/5th to 1/4 of the slab depth would cause a shrinkage stress concentration, and hence a weak spot in the slab.<br><br>Anyone...
  5. MathMan

    Pretension in Bolts

    Does anyone know what value of pretension is typically acheived by &quot;turn of nut&quot; method using 3/4&quot;ø A325 bolts?<br><br>I am designing a very lightly loaded clamped connection, and instead of specifying a value for the pre-tension, I would rather (if it is suitable) just note that...
  6. MathMan

    To MBA or not to MBA, that is the question

    I have heard that with the growing number of schools that offer &quot;Master of Business Administration&quot; programs, the quality of the education may not be high enough to warrant doing it.<br><br>My community university offers a two-year joint MBA/MENG program that sounds very interesting...
  7. MathMan

    Program called "Visual Analysis"

    Has anyone ever heard of &quot;Visual Analysis&quot;?<br><br>I have looked for it on the net, and found a couple of obscure references to it, but nothing important. I really need to know something about this program, specifically regarding any limitations that it may have. So if you know...

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