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Recent content by markross
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Insulated concrete forms and concrete placement
No offence taken, I think I had better clarify. The NES, BOCA, ICBO, Miami Dade and such approvals given to ICF forms, generally include a mix design which asks for a 6" Superplasticized slump of a 3/8" stone, standard 3,200 PSI (in most cases). The problem is that upon placement...- markross
- Post #6
- Forum: Concrete Engineering general discussion
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IS IT TUNNEL OR BOX CULVERT?
Try the CPCA for the tunnel guidlines www.cpca.ca- markross
- Post #5
- Forum: Bridge engineering
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Quick cost analysis of concrete structure.
We have completed about 20 now, they run about $30 to $40 dollars per square foot, completed and backfilled shell only.- markross
- Post #3
- Forum: Concrete Engineering general discussion
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Have you built house with concrete
www.arit.com/study, we have only done a few thousand concrete residential homes- markross
- Post #4
- Forum: Structural engineering general discussion
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mildew in ICW installations
Does not happen, unless you have a very, very high humidity problem in your home, at which time it will form on the finish surface first.- markross
- Post #2
- Forum: Concrete Engineering general discussion
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Insulated concrete forms and concrete placement
Borandin. Actually, its mainly for residential use, so the effect of weather and such are negligagle. The EPS foam covers both the interior and exterior surfaces. Jheidt: The problem is that the ICF's have a differing specification that is not covered in the ACI manual of formwork design...- markross
- Post #4
- Forum: Concrete Engineering general discussion
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ACI 318 reinforcing in ICF Wall Forms
Most of the ICF forms do not require rebar tying. Although I cannot speak for all, many of the engineered ICF wallsystems we have done, are designed as a worst case for bar placement. The horizontal bar is already held in a fixed location, usually through the integral plasit locator clips on...- markross
- Post #3
- Forum: Concrete Engineering general discussion
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Insulated concrete forms and concrete placement
In another website, there has been a tremendous amount of discussion about the type of concrete mix design to use in an ICF or insulated concrete form system (walls only). The concern is that there are no standards yet set for this. There is one unique aspect to a concrete form that causes...- markross
- Thread
- Replies: 8
- Forum: Concrete Engineering general discussion
