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  1. CopperGalaxy

    Minimum areas of steel for large foundation slabs

    Ukengineer - your assumption was correct this is a simple spread footing gravity based foundation so what you say rings true about the loadpaths. I truly don't believe the minimum reinforcement is required but I have plumped for it anyways to control cracking which can be a nasty business with...
  2. CopperGalaxy

    Minimum areas of steel for large foundation slabs

    Hi Jed yes you're quite right. I've worked out the area of steel required to provide flexural resistance however compared to the calculated minimum steel requirement this does not match it and would take a considerable increase in steel to meet. I'm trying to create an economical design so...
  3. CopperGalaxy

    Minimum areas of steel for large foundation slabs

    Sorry UK engineer you're quite right I meant 0.0018bd rather than cross sectional area. Thank you very much for taking the time to help me out. I've found the clause you're referring to in EC2 section 9.2.1.1 (1) which states 1.2 ULS is accepted for secondary members where some risk of brittle...
  4. CopperGalaxy

    Eurocode - Steel Design

    Whereabouts are you? And what are you working on? Based on my experience ACI and Eurocodes use different methods to gain the same result however the terms/equations differ. If you're working mainly in structural engineering it will be BS EN 1992 (Eurocode 2) you are looking for, this gives all...
  5. CopperGalaxy

    Minimum areas of steel for large foundation slabs

    Hi all, I was wondering if you could advise me. I have designed a reinforced concrete foundation slab (with greatly appreciated help from fellow eng-tippers) and i'm nearly there, however i'm pondering over the minimum areas of steel required by Eurocodes. This is given at around 0.18% of the...
  6. CopperGalaxy

    Net soil pressure on underside of spread footing - question

    Hello all Thank you so much for your thorough and informative help it has been extremely useful and I greatly appreciate it.
  7. CopperGalaxy

    Net soil pressure on underside of spread footing - question

    Hello all Thank you for your replies. Sorry i'm talking jibberish i'm still very inexperienced. I was analysing the problem by isolating one cantilever as part of the foundation and trying to obtain the bending moment in the top and bottom as the sketch suggests. I have the upper bending moment...
  8. CopperGalaxy

    Net soil pressure on underside of spread footing - question

    Hello I was hoping somebody could point me in the right direction here. I have searched online for days and cannot get this straight in my head at all. I'm designing a gravity based octagonal wind turbine foundation. I have isolated a 1m strip of the foundation to design the reinforcement for...
  9. CopperGalaxy

    Consolidation: Cc and Cr indices - which to use?

    Hi everybody, I'm just an undergraduate student so this will probably seem like a dumb question but I can't find anything about it on the internet or my books and my professor tends to disappear at this time of year conveniently -_- I'm currently studying for a geotechnical engineering exam...

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