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Participant

Join Date: Jun 2009
Posts: 1

Reinforced Concrete Slabs - Cracking and Deflection Calculations

06/29/2009 11:01 AM

I would like to share an engineering article about calculations that was prepared by the Structoris structural design team in order to assess the cracking and deflections of a slab. The deflection calculations took into account non-linear characteristics, creep effect and the decreased rigidity due to cracking. The results are more reliable than simple deflection formulas given in codes. The slab was designed for a building in the Russian Federation. The article can be downloaded from: http://www.structoris.co.uk/index.php?aid=94

I hope it will be useful for structural engineers and designers.

Zafer Geçim

Civil Engineer, M.Sc.

Structoris Engineering Consulting Contracting Co.

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Pathfinder Tags: cracking deflection reinforced concrete slab
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Power-User
United States - Member - New Member

Join Date: May 2008
Location: Arizona
Posts: 225
Good Answers: 1
#1

Re: Reinforced Concrete Slabs - Cracking and Deflection Calculations

06/30/2009 9:18 AM

Good morning Zafer, thanks for your submission. I have a question regarding units used in the article. It says the strength of the concrete was 12,2 kgf/cm^2. I assume this equates to 12.2 kgf/cm^2. This converts to 174 psi, which does not make sense. Can you explain? Thanks.

Power-User
United States - Member - New Member

Join Date: May 2008
Location: Arizona
Posts: 225
Good Answers: 1
#2
In reply to #1

Re: Reinforced Concrete Slabs - Cracking and Deflection Calculations

06/30/2009 9:21 AM

Good morning again Zafer, please ignore my note; as I see my mistake. I was reading the tensile strength thinking it was the compressive strength.

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