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  • Users: Aton
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  1. Aton

    Schedule 40 pipe

    It has been quite a while since I last posted to this site. I am now working in the Arctic and have been asked by one of the small communities to design several small bridges to span steep gullies and seasonal streams. These bridges are for All-Terrain Vehicles or snow machines (pulling heavy...
  2. Aton

    ASTM A53 Young's Modulus

    It has been several years since I have posted a question to this site. I am working in the Arctic and have been asked to design some small bridges for one of the commmunities here. As you may imagine, materials are extremely costly to ship up (once a year barge or flying in makes it all...
  3. Aton

    Tilt-Up Construction References?

    I am researching tilt-up construction methods for several designs currently on my desk. I am planning on using a high-volume fly ash (ASTM Class F) reinf. concrete (56% replacement of portland), with which I have had some good experience already, and whose properties I like. I have successfully...
  4. Aton

    Cadkey reading 3D+ ?

    I am thinking of purchasing a structural design CAD software put out by CSC called 3D+ It is designed to integrate with Autocad. Trouble is, I am trained in Cadkey, and do not wish to have to purchase Autocad or learn it right now. 3D+ costs about $7000, so I do not wish to make a mistake. It...
  5. Aton

    Conversion from Cadkey DOS to Cadkey Windows

    I started out with Cadkey Light, ver. 1.5 (DOS-based)- a very long time ago, in software time. In '99 I purchased a Windows-based version, Cadkey-98, which I use now. Trouble is, the newer version cannot read any of my .prt files that I had drawn in ver. 1.5. Cadkey Support couldn't seem to...
  6. Aton

    Ply gussets in wood truss

    Hi. I am new to the group. I do solar, structural, and environmental engineering. I presently am analysing a series of wooden trusses with plywood gussets. Since all ply gussets are large (relative to the metal stampings commonly in use), the joints cannot be modeled as simple...

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