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Showing content with the highest reputation on 03/27/16 in all areas

  1. UmarMakhzumi

    Raft Modifier

    I have worked with some engineers that like to assign high stiffness modifiers to rafts to get conservative flexural and shear design of foundation. Assigning modifiers would increase amount of rebar in your raft. I personally think that this is good practice as nothing is perfectly rigid and cracking in inevitable, which would result in loss of inertia and high flexural stresses. The general procedure is to create two models. One with no stiffness modifiers and one with modifiers for foundation/ raft. You should use the first model to calculate piles reactions and the second to do flexural and shear design. Thanks.
    1 point
  2. Ahmed Waqar

    RCC Dome Design

    There is book low price edition by an indian author "Design of folded plates and domes" By Prentice Hall of India can easily be purchased by paramount book stores. Domes and shells can easily be designed by STAAD pro as well
    1 point
  3. EngrUzair

    RCC Dome Design

    Sohaib, For basic theory & assumptions regarding dome design, you may consult following links, in addition to the books dealing with design of shell structures: 1. Reinforced Concrete Dome Design- RCC Dome Design.pdf 2. Design Principles and Analysis of Thin Concrete Shells, Domes and Folders 3. Design and Construction Criteria for Domes in Low-Cost Housing 4. Design of Circular Domes by PCA- design_of_circular_dome.pdf Modelling of a dome in SAP2000 is illustrated in the following link: http://www.play-it.pk/watch?v=fM8r9hc9QbQ Regards.
    1 point
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