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  1. dr. rifat

    Difference in load combination code and seismic load coad

    Yes it is possible. Just define EU1998 for eq load calculation in any kind of commercial software. Then calculate load combination from ASCE. RIFAT
  2. dr. rifat

    Etabs Result interpret

    Dear all, Any one can explained me these results from Etabs 2016? How to interpret these results according to ACI-318? 1.Column P-M-M Interaction Ratios 2.(6/5) Beam/Column Capacity Ratios 3.Column/Beam Capacity Ratios 4.Joint Shear Capacity Ratios...
  3. dr. rifat

    Structural Stability Of Dam

    Hello, I am M.Tech students.My thesis is about "Reliability analysis of concrete dam by spreadsheet optimiztion(usning FORM)".I badly need some reference books or handouts abouts concrete dam.Please can anybody help me? Thanks in advanced. RIFAT
  4. dr. rifat

    Which Lapping Is Best And How?

    Hi, Please anyone can tell me which column lapping is best and how? Thanks in advanced. RIFAT
  5. dr. rifat

    Pile Design Help

    Hello Engineers, I am new i engineering profession.I have received a soil test report from a geotechnical investigation company.Here are the SPT values: depth(ft)---------------------SPT N 0---------------------0 5---------------------7 10---------------------9 15---------------------11...
  6. dr. rifat

    Rebar choice of concrete column and beam

    Hello engineers, Is there any problem if we choose larger bar diameter in beam and smaller bar diameter in column?Please experts ansewer with detail. RIFAT
  7. dr. rifat

    How to control concrete beam depth?

    How to meet those criteria?If we increase reinforcement,is it sufficient? RIFAT
  8. dr. rifat

    How to control concrete beam depth?

    Hi, We have to design a rcc frame structure.I have a query about this .We have to design a building which LL=80psf,slab thickness 6".A Beam tributary area is about 340 sft,beam size 12"x20".How to reduce the depth of this beam?If we design it as a t-beam is it sufficient? RIFAT
  9. dr. rifat

    Column Unfactored Load

    That means when we have to determine footing size as well as cast-in-place pile design we use unfactored column reaction.Then to design its thickness we have to use factored load,is it?? From some of other engineer I heard that,we use foundation design 2-3 F.S.,so that to make foundation...
  10. dr. rifat

    Column Unfactored Load

    Hello, I have a query about foundation design. In building foundation design why we use unfactored column force,why not factored load? Thanks RIFAT
  11. dr. rifat

    Basement floor height

    Dear Engineers, I have a query.We have to construct a semi-basement with 10 storied building.My question is we decide that we have to limit basement height in 9',but if we increase its height then make it 10',then is there any chance of any design mistake?My senior tell me that if basement floor...
  12. dr. rifat

    About Reinforced Concrete Column Casting

    Hello, In rcc column casting how many times we can casting each column? Say can we casting a 12' column or 10' column in 3-4 times?Which precaution we may follow in this situation? if f'c=3 ksi ,fy=60 ksi Sorry for my bad english. RIFAT
  13. dr. rifat

    Please Help Me

    Hello Engineers, Please any one who expert in etabs please help me in this thread. http://www.eng-tips.com/viewthread.cfm?qid=417173 RIFAT
  14. dr. rifat

    Concrete Column Reinforcement Lapping

    Hello, In practical work we see that dovetail lapping is mostly used,but just now I found something different.Have a look in this image. Now why this engineer prohibit dovetail lapping in column?If we use lapping with dowel bar,how to joint dowel bar with main reinforcement? By Welding or by...
  15. dr. rifat

    Problem for changing beam alignment

    If we want to use cantilever,then it not might be economical,because of slab thickness.(I think so) Thank you for your informative suggestion. RIFAT
  16. dr. rifat

    Problem for changing beam alignment

    I agree with this.If I choose Layout #1 then load transfer might be disturbed.In my practical experience I see that when just release form work this type beam crack in middle portion.So I am scared about this,now KootK whats your suggestion about Layout #1? RIFAT
  17. dr. rifat

    Force generate surrounding soil during piling

    By calculation I get 14000 J force will generate and this force will passing through vibration.I want to know this vibration force dear. RIFAT

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