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- To: seaint(--nospam--at)seaint.org
- Subject: Re: Concrete vs. Steel
- From: "Fariborz Tehrani" <fmtehrani(--nospam--at)hotmail.com>
- Date: Fri, 22 Oct 1999 10:51:04 PDT
Dear ScottI'm not going to tell you about advantages and disadvantages of concrete or steel structures and the parameters which affect the material selection procedure for a specific structure. You know that. So I think the best answer is giving you a survey of my works. I have worked as a structural engineer in Iran (you say Middle East) for more than 8 years. Here is structural types that I designed: 1-Residential apartments and educational buildings (High schools, etc.) with less than 4 stories: Concrete (Cement is more available than steel shapes for ordinary owners). 2-Residential and Office buildings with more than 4 and up to 10 stories: Concrete and steel (No preferences). 3-Residential and Office buildings more than 10 stories: Steel (because of pumping difficulties, construction speed, poor quality of ready mixed concretes and so on).
4-Industrial frames with large spans: Steel (Steel structureis lighter, can be built in parts- ready for installation in site, and the best thing is that they can reinstall and relocate!)
I moved here in Los Angeles last year. You know that most of the small buildings in LA have wood structure. But I'm in specialty structure business. We use everything including steel, aluminium, stainless steel, fabric, glass, ..., except concrete! Concrete hasn't have enough flexibility for a decorative, exposed and lightweight structure.
Good luck Fariborz Tehrani Phone: (310)509-8826 Civil Engineer Fax: (530)481-9532 BSCE, MSCE, PE Voice Mail: (877)743-6206 email: fmtehrani(--nospam--at)hotmail.com
From: Scott Maxwell <smaxwell(--nospam--at)engin.umich.edu> Reply-To: seaint(--nospam--at)seaint.org To: seaint(--nospam--at)seaint.org CC: jwight(--nospam--at)umich.edu Subject: Concrete vs. Steel Date: Fri, 22 Oct 1999 09:47:04 -0400 Dear fellow structural engineers: I have received a request from one of my professors from school. He has been asked by ACI to look into the issue of the use of concrete vs. steel. The question has been raised as to whether strucutural engineers are more likely to pick steel over concrete, and if so...why? I can give a fairanswer for the Detroit area, but they are also looking for input nationally.So, I would appreciate it if you have any thoughts on the matter. If you have an opinion, then you can respond either to myself or to the list, and then I will forward the information onto my professor. I would also appreciate it if you could specific which area of the country (or world) you are from so that we can get an idea of "regional" preferences. BTW, there is a little bit of a time restraint...I need to get any comments forwarded by Thursday of next week (10/28) at the latest. Thanks much, Scott ------------------------------------------ Scott E. Maxwell, PE Structural Engineer SHG Inc. 500 Griswold, Suite 500 Detroit, MI 48226 Phone: (313) 442-8253 Fax: (313) 442-8297 Work Email: smaxwell(--nospam--at)dt.smithgroup.com Personal Email: smaxwell(--nospam--at)engin.umich.edu ------------------------------------------
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- Re: Concrete vs. Steel
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