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Integrity/load capacity of carport

From: jmpaffe@bellsouth.net
Category: Structural
Remote Name: 171.161.224.10
Date: 02 Mar 2004
Time: 03:13 PM

Comments

Hi, I'd like to determine the overall structural integrity (it seems fragile) and load capacity (e.g. for snow) of an existing carport in order to determine whether it should be replaced. This area of the country has a ground snow rating of 10 pounds per square foot. How much does the load increase on the long end by having a non-centered column? Basically, the carport’s construction consists of: A basic frame - Three single columns 187 inches apart composed of two beams welded together. - Six transverse beams 112 inches long, two per column bolted to each side of at the top of the column and seven inches between the two transverse beams. The column is situated so that 74 inches of the transverse beams extended to one side and 32 inches to the other side. - Two lateral beams bolted to the end of each transverse beam, extending the length of the structure. Roofing - Aluminum material that extends another 44 inches out from the basic frame (i.e. 74 + 44 = 118 total inches from the column on the long side) Beam Material/Construction - Galvanized steel, about 2/16 inch thick (11 gauge?) in a channel form. The beam is 9.5 inches wide with a 3 3/8 inch channel and a 1/2 inch lip. Other - There are no other structural supports to hold the beams up, no welding where any of the beams are connected, no connections between the two transverse beams on either side of the column Thanks for your help! Mike

 

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