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Sohaib Iqbal

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Everything posted by Sohaib Iqbal

  1. 50 cm Thick Raft Foundation over an Existing Retaining Walls

    dfetermine the soil pressure on the raft at wall side. consider it in calculations along with the retained soil pressure on the wall and check stability of wall against overturning and sliding.
  2. Base isolated structures (rubber isolators)

    apologies for late reply. i hope u all are doing well. basically i modelled a symmetric G+3 structure and performed linear dynamic analysis. after that i m trying to model with base isolators and then again will perform response spectrum analysis after considering 30 % damping. basically i have to observe reduction in base shear and change in time period bcz of rubber isolators.
  3. respected engineers. i m working on base isolated structures. can anyone provide me the literature and examples for this?
  4. RCC Dome Design

    what are the assumptions in designing a Dome of Masjid? how i can design it using SAP? Dimensions: radius 21', hieght 10'
  5. manual mesh vs auto mesh

    Respected members! how outcomes differ when we do auto and manual mesh? which is most accurate and preferable?
  6. Minaret Design

    if i assign a column of 5 ft wide it will take as solid mass. how to consider it hollow (as in case of inside stairs) in etabs?
  7. Minaret Design

    can we model it on etabs like column?
  8. Purpose of design strips in safe

    dear waqas. can we assign strips L/4 at column?
  9. 2nd order analysis

    Respected engineers. can anyone tell me that what is difference between 1st and 2nd order analysis? specially related to steel structures also.
  10. Assign pick up column in Etabs

    Respected engineers! can anyone elaborate the procedure to assign pick up column in etabs
  11. Assign pick up column in Etabs

    because it is a easier way to get maximum deflections, moments and shear on the beam having pick up column.
  12. Assign pick up column in Etabs

    can we consider loads on pick up column given by etabs then apply it as point load to design beam which is supporting pick up col?
  13. Assign pick up column in Etabs

    i did. etabs designing it as a column but not designing the lower beam for this pick up column load.
  14. Economy of ASD Vs LRDF

    on different steel percentages ultimate design section takes 30 to 80 % more load as compared to ASD design sections.
  15. Economy of ASD Vs LRDF

    yes this is true. u can verify it by solving beam using these two methods. ASD method give large sections as compared to ultimate. but it is good in achieving servicibility criteria.i will try to give u an example solving by these two methods and thier comparison.
  16. Eccentricity Values In Etabs

    sir Rana! will u please elaborate the procedure of checking torrosional irregularity and procedure to deal it. as u mentioned in ur post. Thanks
  17. Concrete Exposed to Weather

    cover requirements are necessary. in case of paints it needs proper mentainance on the basis of define mentainance model otherwise weather impacts like carbonation (due to increasing content of CO2 in air) , chloride attack can cause corrosion of steel. Concrete Cover is the first defence line to prevent corrosion.
  18. Final year project

    in country like Pakistan after several years we will look forward in repairing and mentainance instead of new construction. bcz some structures like bridges are our national assests. we have to work that how to upgrade then in different respects like shear , flexure, torsion. we are also facing earthquakes and after shocks. u can work on it that how to convert ordinary building into earthquake resistance by keeping in view our economy.
  19. Final year project

    u can also do project on effect on the strength of structural members by the carbonation increasing content or how to monitor, mitigate existing structures like bridges etc. also give mentainance model for them.
  20. Pile design

    can anyone provide me the literature for designing and analyse of pile foundations?
  21. but it isnt showing when new courses will be started?
  22. Stiffness Modifier

    how we can determine in etabs either wall is in compression or tension?
  23. P-Delta Analysis In Etabs

    Respected Engineers. while doing P-Delta analysis it gives two options: a- non-iterative based on mass b-Iterative-Based on load combinations what is the difference between them and use of them? how to calculate iterations and which load combination we use when using 2nd option?
  24. foundation and slab suggestion

    please give me suggestions for the designing of this project. ie pile foundation and type of slab. bearing capacity is too low 1.04 tsf. we are discusing abt providing pile fondation and for slab , post tensioning or waffle slab. is it safe for 44ft by 46ft span? i have uploaded the plan. G+5 stories. ground floor plan.pdf
  25. foundation and slab suggestion

    waseem bhai what is the procedure to model this type of foundation in SAFE ie strap beams over raft? my senior did the similar method in a combine footing ie provided strap beam over combine footing to reduce amount of top steel in combine footing. but i didnt get a way to model and analyze it on safe.

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