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  1. nevsam12

    Inclined beam analysis and model-STAAD

    Thanks BulbTheBuilder EI for your advice. I will look into it.
  2. nevsam12

    Inclined beam analysis and model-STAAD

    BulbTheBuilder EI: I do not see your sketch. In fact I cannot see any Attachments from anybody. What am I doing wrong - or what am I supposed to do? Can someone give me directions? TIA
  3. nevsam12

    Inclined beam analysis and model-STAAD

    I do not know how to see your sketch/STAAD info. How do I do that?
  4. nevsam12

    STABILITY BRACING DOUBLE LIFTING BEAM

    Hi paddingtongreen, The pull angle will be 60 to 75 degree to the horizontal - the cables will actually be fastened to a Lifting Beam above this sort of a platform. I do not know the vertical distance from the platform to the lifting beam above and will be checking it with the customer. I am...
  5. nevsam12

    STABILITY BRACING DOUBLE LIFTING BEAM

    STABILITY BRACING I am designing a sort of Double Lifting Beam. Actually, they are a pair of Parallel Beams 4 ft apart. The beams are 60 ft long and W8x31. The beams are connected in the transverse direction by W8x31 beams as well. Flanges and Webs welded like a moment connection. (All beams...
  6. nevsam12

    Composite metal deck and slab

    If you do not provide reinforcement near the top of slab at the supports, slab has potential to crack due to negastive BM at the support. And those cracks can be ugly.
  7. nevsam12

    Machine Foundation on Rock

    Hi msquared48 and concretemasonry, Thanks a lot for your taking time and answering. It means a lot to me because I do not any other resource with this type of background. This machinery was going to be located above a sandy soil with 65 - 85% moisture (quick sand condition), which was...
  8. nevsam12

    Machine Foundation on Rock

    The machine (motor and generator 40,000 lb each) will sit on a concrete mat approximately 3 ft x 16 ft x 26 ft. The pad will be sitting and doweled to the rock. 600 RPM each. High rocking torque but not much vertical/horizontal unbalanced forces. Actually, I plan to excavate rock 6 - 12" so...
  9. nevsam12

    Design for fall protection

    Per OSHA, the anchor point is to be designed to 5000# at failure. So, I calculate the ultimate capacity of the connection and compare that to 5000#. As far as members are concerned, OSHA does not say 5000#. So, I would design the members for the load recommended by the Lanyard Vendor - if I...
  10. nevsam12

    irregular home plan geometry

    cd and gh will not act as shear walls because their lengths are too small compared to the total shear wall length of ab, and ef in the North-South direction. This is basic stiffness priniples. Diaphragm will span full width from ab to ef. If you prefer you can always design cd and gh as shear...
  11. nevsam12

    MODELLING A CONCRETE FRAME USING STAAD PRO2000

    I am not giving any help to you, but, I have a question to supplement your question. I am analyzing an existing concrete moment frame with shear wall on one side and rigid (floor) and flexible (roof) diaphragms. I plan to use STAADPRO 2000 also. In modelling, should I just use the concrete...
  12. nevsam12

    concrete column cracks- remedial measures-requested

    I worked on a project involving second floor of a cafeteria structure. Baking and dispensing of food was done on first floor. Water operations occurred on second floor. The floor had extensive damage (including rebar corrosion, spalling, cracking, leaking of contaminated washwater, etc.)...

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