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  • Users: elperko
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  1. elperko

    Steel trusses - welded joints with thin walled sections

    Hi there I've just moved from the London to Nairobi and am adjusting to the local construction practices... Currently designing steel trusses using small square hollow sections (30 - 75mm) with wall thicknesses from 3-5mm. Coming from the UK these sizes seem very small and while the analysis...
  2. elperko

    Coefficient of active earth pressure for clay vs sandy clay

    Hi, I'm trying to calculate active earth pressure on a retaining wall. One thing is bugging me; it makes sense to me that a more cohesive soil will 'hold itself together' better than a less cohesive soil (i.e. a clay vs a sandy clay) and will therefore apply a lower lateral load to a retaining...
  3. elperko

    Blockwork shear walls

    Hi all, I am trying to justify an existing 2 storey RC building in the UK, to take some additional loading. The building was constructed in the 1950s. There is no evidence of any RC shear walls and as such we had assumed the structure to be acting as a sway frame for stability. The problem I...
  4. elperko

    Determining soil properties for pile foundations

    Hi there, I'm trying to design pile foundations. This will involve piling to a depth of around 25m through three different strata with the fourth being end-bearing. I am trying to determine reliable values for undrained shear strength and the adhesion factor in order to estimate my pile...

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