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  • Users: wth
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  1. wth

    Hollow slab from the 50s, references?

    We've been asked to design an additional floor on a concrete building from the 1950s, I've never seen the slabs shown on the Architectural drawings, and I'm a bit hesitant taking this one on. They're marked "H-Slabs 28 cm". As anyone ever seen or worked on similar slabs? All floors have the...
  2. wth

    SMath studio no longer free for commercial use

    Posted today: https://en.smath.com/forum/yaf_postst23660_11-09-2023--License-Agreement-changed--Terms-and-conditions-made-common-for-all.aspx The main changes are: - Free version of SMath Studio has a few limitations from now on - please see https://smath.com/en-US/view/SMathStudio/pricing. Main...
  3. wth

    FEA spring stiffness (kN/m/m) for line connections, horizontal. Concrete/rock

    Does anyone have any references on modelling concrete walls directly on bedrock in FEA software? We have an upcoming project where all the walls will be cast directly on cleared bedrock, and are trying to find a suitable spring stiffness on the bottom of the walls. The main purpose is to...
  4. wth

    Force / Radians, wheel pressure?

    I'm designing a slab on grade that's supporting movable column lifts at any given place. From the building owner, we have recieved a data sheet for the column lifts, with an pressure force under the column, and a force under the supporting wheel given as: daN / rad. There is no further...
  5. wth

    Working with large data sets (loads)

    I've received a printout from FEM-analyze that I'm trying to find a suitable way to organize and work with using mathcad and/or excel. The data set contains basic loads for 14 rigid nodes, with 12 different load cases. So each line consists of: node/LC, Fx, Fy, Fz, Mx, My, Mz, "name of load...

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