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Civil Engineering/drift limit,base shear - in etabs


Dear Sir,
Good Day:I would like to get advice on the following questions.
1What is the drift limit that can be possible in seismic and wind analysis?
2.How can I  get know whether the base shear get in etabs right or not any short cut?
3.How I can design a retaining wall (concrete wall )in the buidling with basements .what are the forces need to be considered?
Thanks so much for your valuable advice

Dear Raviarjun

You shall ask specific topics. Your questions cant be responded in a single paragraph so that you can use it and I can be sure of a perfect reply.

1- for drift limits I suggest a 0.005h approximateley
2- You can use the base shear in the results after the analysis being made ?
3- I dont have a clear idea about how to use etabs in design of retaining walls. I guess I can find a short cut using etabs and safe but for the moment I suggest to do it separatly using the results of etabs analysis.


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Babak Esmailzadeh Hakimi


I can answer questions in Structural Engineering, Earthquake Engineering, Project Management and Project Control topics!


I am experienced in the area of earthquake engineering in electrical power industry, i.e. Lifeline Earthquake Engineering. My focus has been on structural seismic design of power installations. Recently I have got involved in project management in the category of constructional engineering.

Sinam Consulting Engineers Co.

Bs degree in Civil Engineering from Ferdowsi University ,1988, Mashhad Iran, Ms degree in Earthquake Engineering, Sharif University of Technology, 1993, Tehran, Iran

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