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I have a span of 18 feet between posts on a deck I'm putting
I have a span of 18 feet between posts on a deck I'm putting up. … read more
StructuralEng
StructuralEng
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I have a small (12 ft. X 21.5 ft.) vehicular bridge that
I have a small (12 ft. X 21.5 ft.) vehicular bridge that needs a replacement deck. The bridge is all weathering steel, built for H20 load rating. It has full width reinforced concrete abutments on bot… read more
walkereng
walkereng
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What size of I beams are required to support roughly 1000
What size of I beams are required to support roughly 1000 pounds on a walking bridge spanning 27 feet?… read more
walkereng
walkereng
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Building a 13'3" x 7' loft using Steel rect tubing Main beam
Building a 13'3" x 7' loft using Steel rect tubing Main beam is 2x4x3/16 cross members are 1x2 x 1/8 what would be the difference in strength if I welded the cross members to the 4" side of the main b… read more
StructuralEng
StructuralEng
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I'm building a deck, need an 16' span. 80psf to 100psf load.
I'm building a deck, need an 16' span. 80psf to 100psf load. I need info for both 6061 aluminum C channel and steel C channel. 20" between spans. 12 spans. What dimension and specs of beam in either 6… read more
walkereng
walkereng
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I have a simple question. I have a marina slip that I park
Hello - I have a simple question. I have a marina slip that I park my boat in. The slip is 24 feet wide and 75 feet long. I want to build a deck 6 feet by 24 feet to park a golf cart type vehicle on (… read more
Expert
Expert
I need to size a beam that can span 20 feet. It will be
I need to size a beam that can span 20 feet. It will be carrying the load of a lanai roof.… read more
walkereng
walkereng
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I am looking to build a bridge in a Texas gate form with 3
I am looking to build a bridge in a Texas gate form with 3 inch tubing on top. The ditch that the bridge will span is 20 feet wide. The bridge will be 30 feet long and 16 feet wide. The max load that … read more
walkereng
walkereng
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What is the minimum size steel channel needed to span 16',
What is the minimum size steel channel needed to span 16', supported at the ends by columns, for a residential deck?… read more
walkereng
walkereng
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trying to figure out what size I beam I need I plan on running
trying to figure out what size I beam I need I plan on running two beams 30 foot long to support 8000pounds for a bridge it will have 2x3 box tubing for cross ties with steel grating on… read more
walkereng
walkereng
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Bachelor's Degree
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I have a small building (250 square foot). It has high ceilings.
I have a small building (250 square foot). It has high ceilings. I want to put a loft over part of it inside. I was thinking that if I thought of it as a 'deck' that happens to be inside, I would put … read more
walkereng
walkereng
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I want to build a horizontal platform from 6061 grade 1/4"
I want to build a horizontal platform from 6061 grade 1/4" aluminum plate and I beams. The platform will be 19' wide by 12' deep. One end of the platform will supported by a sturdy wall comprised of 6… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have a header that will support a floor load of 2500 lbs
I have a header that will support a floor load of 2500 lbs over 10 ft. span or 250 lbs per linear ft. that load includes 4 courses of brick veneer. I would like to use a steel w-section with a plate w… read more
walkereng
walkereng
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Bachelor's Degree
2,892 satisfied customers
What is the maximum load for 2.5 inch square tubing 16 long
What is the maximum load for 2.5 inch square tubing 16' long to be support at 4 equally spaced points? This is a commercial range hood support structure. Will be supported by 2.5" vertical square tubi… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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Span Length 133.33" end butt welded to cross beam. Beam size,
Span Length 133.33" end butt welded to cross beam. Beam size, rectangular tube 3" wide by 6" high 1/4" wall thickness. Load at center 8,500 lbs. What deflection can I expect… read more
walkereng
walkereng
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Bachelor's Degree
2,892 satisfied customers
Ideas on the best beams, supports to use in my private metal
Ideas on the best beams, supports to use in my private metal studio/shop? 4' x 8' platform for an 80 gallon air compressor and other small plumbing and light storage. I was thinking about using 3/16" … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I want to span 4 inch channel iron (3/16 by 1 and 1/2) 12 feet.
I want to span 4 inch channel iron (3/16 by 1 and 1/2) 12 feet. This will be a walk way (3 feet wide;1,000 pd maximum weight. Will this be safe?… read more
walkereng
walkereng
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Bachelor's Degree
2,892 satisfied customers
Hello, I would like to see if you can help me with a flat truss
Hello, I would like to see if you can help me with a flat truss design. I can build it out of sguare tube steel (welded). I just need to know what size tube, how many and the angle of the diaganol bra… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
7,999 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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