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Civil Engineering/100-30 effect in foundation?

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Question
dear Dr. esmailzadeh
is it essentional to design of foundation,we use the 100-30 low.
regards.
behzad.

Answer
Dear Behzad

There is no reason to consider  the foundations as an exception for a basic principle. The directionality of earthquakes impact is not a luxury or esthetic concept but a very essential real phenomenon which has to be considered in your calculations. But it is the engineer's responsibility to decide about the application of the codes of practice.

Regards
BEH

Civil Engineering

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Babak Esmailzadeh Hakimi

Expertise

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

Experience

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.

Organizations
Sinam Consulting Engineers Co.

Education/Credentials
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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