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Vaulted, Corrugated Metal Deck Forming System

Vaulted, Corrugated Metal Deck Forming System

Vaulted, Corrugated Metal Deck Forming System

(OP)
I am looking for information on a concrete floor structural system used in a building built in the 1930’s. The system used a 16" - 24" high vaulted corrugated metal decking (it looks like 1/2 a culvert pipe)spanning 4’ between I-section steel beams (today’s S-sections) which span approximately 20’.  The concrete, possibly lightweight, is poured on top of the system with 2"-4" of cover over the top crown of the corrugated metal decking.  I am sure it must have been a patented system with load tables.  Can you direct me to a reference for the load tables or any other information?

Thanks in advance for your help.

RE: Vaulted, Corrugated Metal Deck Forming System

jheidt2543,

What you describe is similar to a type of portable metal building with arched walls and roof called "Quonset" and  used by the Armed Forces during WWII.    

I believe some manufacturers that still make this kind of building.   

Maybe if you search on the Internet using Quonset as the keyword, you could get some good information.

Regards

AEF

RE: Vaulted, Corrugated Metal Deck Forming System

(OP)
dlew,

Thanks for you response.  

I am familar with a Quonset hut, we have quite a few in the area.  The system I am trying to research is a concrete floor system that is "self" forming using arched corrugated metal decking.  The deck spans approximately 4 feet between the bottom flanges of I-beams.  The I-beams span approx. 20 feet and are parrallel to the apex of the arched decking,  then concrete is poured on top of the system.  The arched metal decking stays in place in the composite structure. It looks like a corrugated metal pipe was cut in half lengthwise and the edges set onto the bottom flange of two parrallel I-beams.  We plan to remodel a building that has this floor system in it and would like to find out more about the system design before we cut into it.

Thanks again, I'll keep trying.

RE: Vaulted, Corrugated Metal Deck Forming System

(OP)
Finally, I found what I was looking for and thought I would post it.  The floor system is called a "corrugated iron arch" and was developed at the turn of the century (OH the PIOR century, 1900) as one of the first "fireproof" floor systems.  I found some of the information in a relatively new book "Structural Analysis of Historic Buildings" by J. Stanley Rabun, John Wiley & Sons, 2000, ISBN 0-471-3145-1.
Still no structural design info or tables so, I'll keep looking.

Thanks for a try at answering my original post, I appreciate the effort!

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