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Civil Engineering/earthquake design

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Question
Sir,when we design buildings to resist earthquakes,do we design them to undergo deformations in elastic range or inelastic range.Please explain

Answer
Dear deshmukh

1- Seismic design is based on collapse prevention and life safety under maximum credible earthquake . Then inelastic behavior under MCE or DBE (design basis earthquakes) level of earthquake. almost all codes accept this principle.

2- Seismic design is based also on serviceability of building after a frequent earthquake which may occur at least one time in the life time of the buildings. Some codes accept and follow this level explicitly but almost all accept it as  implicit criteria. In this level no inelastic behavior is expected from the building.

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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