Civil Engineering: Etabs element type, ductility, sway About Us
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Civil Engineering/ Etabs element type Civil Engineering All Answers Answers by Expert: Arshad Khan Babak Esmailzadeh Hakimi Veto Varma Ask Experts Volunteer
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
Expert: Babak Esmailzadeh Hakimi 5/1/2013 Advertisement
Question QUESTION: sir can you pls. explain what is the difference of Sway special, intermediate, ordinary and nonsway for etabs? for frames like column and beams the default is sway special. for my beams im using the Nonsway type. what is the effect of this actual in structure? I observed that more rebars output design. thank you. ANSWER: Dear Seco Which code of practice are you working with? The sway option will activate the sway moment in related formula for design under combined axial and moment. Non sway will result to more economical result but you have to be sure about the fact. The sway option may be neglected in columns for braced frames or frames with very small deflection. Regards BEH FOLLOWUP QUESTION: The design code im using is aci 31805 sir. Get the answer below Sponsored Links ﻛﺴﺎﺭﺓ ﺁﻟﺔ ﺍﻟﺤﺠﺮ ar.kefidchina.com 50800TPH ﺍﺳﺄﻝ ٬ﺍﻟﺒﻠﺪﺍﻥ ﻣﻦ + 130 ﺇﻟﻰ ﺍﻟﺘﺼﺪﻳﺮ ٬ﺁﻟﺔ ﺍﻟﺤﺠﺮ !ﻛﺴﺎﺭﺓ Start Download www.fromdoctopdf.com Convert Any File to a PDF. Get the Free From Doc to Pdf App! CE/ISO Cone Crusher www.zxyzp.com/ConeCrusher Low Cost/High Efficiency Cone Crusher For Secondary Crushing
Answer Dear seco
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Please take a look at this address: http://www.heip.ac.ir/pahlavan1/pahlavan/ACI_318M05.pdf Sway or non sway frames can be distinguished according to the Sway factor which can be calculated after one run of the software. Relation 106 of the above document. If the Q factor is less than 0.05 then you have a non sway frame. No matter if you consider beams in sway or non sway frames.
Civil Engineering: Etabs element type, ductility, sway But ordinary , special or intermediate frames are related to the ductility level of the structure under seismic effects. It is the duty other engineer to select one of the ductility levels but I guess you in Saudi Arabia don't have to consider more the ordinary structures because you don't have earthquake in Saudi Arabia. Don't hesitate to ask when needed. Regards BEH
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yes you are right sir. im in saudi arabia and keep learning when it comes to structural designing. I will always keep asking you question sir. =) thank you.
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