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  1. Runmdc

    ASCE 48-11 wedge method for base plates

    I am looking for information on why ASCE 48 changed to the wedge method for bendline calculations in version 11. It is a big change from ASCE 48-05 and I would like to know the history of why the change took place. Thanks
  2. Runmdc

    Unknown joist call out

    Is there a way of telling if the roof is lightweight insulating concrete or just lightweight concrete?
  3. Runmdc

    Unknown joist call out

    I figure that the total load is 192 and live load is 80. The design roof live load is 20 psf and the joists are 4 ft. OC. At this spacing the design live load is 20X4=80plf. This means that the allowable dead load is 192-80 = 112plf. If the allowable dead load is 112 plf, that is only 28 psf...
  4. Runmdc

    Unknown joist call out

    I have run across some unknown open web steel joists and the call out on the original drawings is 18H192/80. They were built in the 1980s. I know that they are 18H joists but what I do not understand is the 192/80. Is this DL/LL or does it designate Total Load/LL? What confuses me more is that...
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