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  1. twinnell

    Bank Vault Design

    I designed a bank a few years ago also, and the vault and the slab were both done by the vault manufacturer. Slab by others.
  2. twinnell

    Investigation of Older Structures

    Kidder Parker - Architect's and Builders Handbook is a good one. Try ebay. Got mine for $8.
  3. twinnell

    ACI documents

    IHS is a subscription service. You pay to have access to certain documents at your disposal. if you need a document that you don't have a subscription to, then you can click buy to purchase it. you probably won't find ACI documents on the web for free. if you do let me know. if you have to...
  4. twinnell

    Mild Reinforced Slab

    So in the UK, mild refers to 40 ksi steel and high strength is 60 ksi steel or the SI equivalent. In the US, mild is 60 ksi. Where is this documented?
  5. twinnell

    Mild Reinforced Slab

    Can someone explain to me what a Mild Reinforced Slab is? As apposed to just a Reinforced Slab. Why add "mild"? Where can I find the definition? ACI? Could not find the word mild in ACI 318-05.
  6. twinnell

    Wind loads for pipe racks, etc..

    Explain in more detail what is being supported by the 2" post?
  7. twinnell

    Light Gauge to Masonry

    Instead of the angled braces, you could use straight studs normal to the face of the CMU and connect the stud to the CMU using a CL600 clip. This clip resists moment. Look it up on "The Steel Network" website. You might be able to use this clip for angled braces as well. Also, could run a...
  8. twinnell

    Basement Construction

    I beleive the clay is at grade level. It is placed above the granular fill. Foundation drains can get clogged. Then you have a failed system. You try to keep them from getting clogged by wrapping them with fabric and then encassing them in gravel and backfilling with sand. The few inches of...
  9. twinnell

    Basement Construction

    FinnB, I think what concretemasonry is saying is at the exterior of the wall footing, place a foundation drain wrapped with sock and covered with granular material. At grade, cover the granular material with clay to keep rain water from seeping into the soil. On the interior of the footing...
  10. twinnell

    Wall Panel Dead Load

    horizontal girts.
  11. twinnell

    Wall Panel Dead Load

    Is the vertical dead load of metal wall panel supported by the girts or the foundation/slab/grade beam? We have 100 feet tall building and someone is telling me that the full weight of the wall panel is supported by the grade beam around the perimeter. Which means the wall panel has to support...
  12. twinnell

    Rebar Details for Concrete Column-Flat Slab Moment Frame

    Shear walls.
  13. twinnell

    Foundation Design Software

    elpa? I couldn't find the web page, is that the correct address? Also would like the program to check punching and one-way shear. Risa Foundation doesn't check.
  14. twinnell

    rail bridge loading

    The only railroad code I know is from The American Railway Engineering And Maintenance of Way Association (AREMA). Sounds like you are in Europe so don't think this will help, but maybe could answer some questions.
  15. twinnell

    Foundation Design Software

    We are researching foundation design software and want to know any opinions you may have. We need the software to be able to handle mat foundations supported on piles and to be able to design round or obsucure shape mats. Also has to design by Canadian Code CSA A23.3-04. We have looked at the...
  16. twinnell

    Hollow steel pipe pile in tension

    What is the best detail for a hollow steel pipe tension pile imbedded in a pile cap. We were going to cap the top with a steel plate to keep concrete from going down the pile. Then either weld studs to the side of the pile, say 8 studs, two at each of the four quadrants. Or weld rebar to the...
  17. twinnell

    Movement Joints - Internal Masonry Panels

    Is there a reason for not designing the wall as one way spanning vertically? Span vertically, no reinforcing through the joints.
  18. twinnell

    Basement Costruction

    MichiganPE, Are you trying to say that if the front wall was not a cantilever retaining wall then the load from the soil would travel from the wall, into the floor diaphram, and then into the rear wall, and since there isn't any soil behind the rear wall, the walls would rack? I am not sure if...
  19. twinnell

    Deck mounted handrail post base

    I remember reading an article in either Structure Magazine or Structural Engineer that discussed wood handrail posts for decks. After numerous tests of different configurations, I think only one passed the equivalent test for the 200# load. The configuration was running the 4x4 post down into...
  20. twinnell

    Non Load-Bearing Stud Wall as a LFRS??

    Again, you should call "The Steel Network". They will be able to guide you and even send you details if they have them.

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