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Hamza Ahmad

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Hamza Ahmad last won the day on May 19 2018

Hamza Ahmad had the most liked content!

Profile Information

  • Gender
    Male
  • Location
    Peshawar
  • University
    Iqra national university
  • Employer
    Wings Consultant

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Hamza Ahmad's Achievements

  1. How to calculate Nominal Moment of column (Mn) manually ??
  2. I have a question. For finding Nominal Moment of column manually should i consider P (axial load) only of EQ load combinations ?
  3. AOA!! Which parameters should be consider for design of raft foundation if the bottom of foundation is 2' above the GWT ? To be on conservative side, should we apply upward pressure (unit weight of water x 1'or 2') on the bottom of raft foundation?
  4. AOA Fellows. Can we perform RSA on two story building have vertical irregularity in zone-2? What should be the preference of desinger, shear wall to avoid it or go for RSA ?
  5. Aoa everyone. how to find one way shear demand (Vu) value for strip footing (Strip having series of column) in SAFE using FEA approach ??
  6. Sir i have gone through SEAOC manual book for ubc-97. In example 4 of manual they have solve a problem on story stiffness by following formula (Story displacement/height of story) then check the it with code provision.
  7. Sir, for checking story stiffness manually we will use Story force ( Vx or Vy ) or Auto seismic forces (Fx or Fy) from etabs ??
  8. Sir, i have a question ? is shear wall the solution for controlling torsional Irregularity ? or Can it be controlled by adding additional column grid in X or Y direction ?
  9. AOA. For strip footing analysis in etabs, can we assign elastic beam (Strip) as shell element or not ??
  10. actually when i click on slab and in front of diaphragm it was written no...pls see the attachment.
  11. AOA everyone. I found a problem in etabs when i was assigning diaphragm on inclined slab so it wasn't which means forces will not be transfer to vertical members so less will be seismic demand...how to solve this problem Thanks.
  12. Aoa everyone. Another question on modal analysis lol. I have saw a lot of posts in the forum regarding modal analysis but still have questions in my mind. Sorry if questions seems to be silly. if a mode (deformed shape) in which mass is participation 90% it means that following mode is attracting more EQ force and how can we use the following mode time period in etabs as we have already define time period in static load cases (Program Calculated) ?? Secondly for response spectrum analysis it is necessary to perform modal analysis in etabs and when Etabs calculate base shear from both static procedure and RSA which one base shear is used in final design calculation by etabs ? If time period calculate by etabs is less then Ta then we have to use Ta, so how can we change the time period in etabs to Ta ??
  13. Go for liquid-structure interaction for deep bridge piers in water.
  14. AOA. I have a question regarding NPTEL. Is NEPTEL an authentic source of knowledge ?
  15. AOA. Hope so everyone's fine. I have a question regarding strip footing direction. What is the criteria for selecting the direction of strip (X or Y direction) ? Thank's
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