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A propane truck drove through my bridge. Am looking to
A propane truck drove through my bridge. Am looking to replace it but need to be sure the replacement can hold the new and likely full truck. The span is about 30 feet but we are thinking of using steel or aluminum to prebuild the bridge and then deck it on site. Will likely exceed the creek banks so probably 40 foot across. Can you tell me what we need for size of beams/stringers? … read more
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walkereng
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I want to build a dock that extends 12 feet out over the
I want to build a dock that extends 12 feet out over the water. This dock will be 35 feet wide. I want to use rectangle steel tubing. And floor with 1 1/2 inch cypress. With a 1 1/2 inch square tubing… read more
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walkereng
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What size metal beam do I need to support a 4 story 17 foot
what size metal beam do I need to support a 4 story 17 foot wide townhouse for a 25 foot span … read more
StructuralEng
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I am replacing a load bearing interior wall with a laminated
I am replacing a load bearing interior wall with a laminated beam. the span is 22 feet the room width is 24 feet exterior wall to exterior wall. I am wondering what size of beam is required and what s… read more
StructuralEng
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If i cantilever out 25 feet past footing supports for a 4'
if i cantilever out 25 feet past footing supports for a 4' wide 40 foot long walkway, what size beams (assuming 3) would be needed … read more
StructuralEng
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I'm looking at getting an aluminum I beam for a 23 foot
Hi I'm looking at getting an aluminum I beam for a 23 foot span. All it will be supporting are (14)2x6's that are 16'5" long with some thin tin sheeting on top. I'd also like to ad a pull-up bar at ap… read more
StructuralEng
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Second opinion] I am spanning 30 feet between supports in a
Second opinion] I am spanning 30 feet between supports in a garage. The weight bearing area would be in the very center of the beam. What size H beam would I need to support approximately 8,000 lbs? a… read more
walkereng
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What size Aluminum I beam would I need to span 25 feet with
What size Aluminum I beam would I need to span 25 feet with an 800 pound load in the center?… read more
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 want to replace the subfloor beams in a new log home
I want to replace the wood subfloor beams in a new log home project with steel Ibeam. What size Ibeam will I need to replace the wood beams that are made up of (3) 2 x 10s. The beams will sit on 30 in… read more
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I am interested in knowing the Steel Ibeam size 3 foot wide
Hello. I am interested in knowing the Steel Ibeam size for a 3 foot wide pedestrian bridge that has a 30 foot span in Valley Forge, PA, assuming there are two beams. Also would be interested in knowin… read more
StructuralEng
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I would like to replace a wooden beam in a basement, 2 storey
I would like to replace a wooden beam in a basement, 2 storey home, 23 foot span, (more accurately a 26 foot span with a post 3 feet from one end)both ends terminating on 10" concrete block walls… read more
StructuralEng
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I want to build a boat dock that cantilevers twelve out over
I want to build a boat dock that cantilevers twelve out over the water. I need to know what length an size steel I beams I need to use. I will have two attach support pliers for each beam in the groun… read more
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We have two "parrell" w12 x 40 x 25 ft (6061 aluminum) be
We have two "parrell" w12 x 40 x 25 ft (6061 aluminum) beams that are on 8 ft. centers and tied together with five evenly spaced 4 inch heavy pipes bolted to the center web of each w12 to form a skid.… read more
StructuralEng
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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
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want to attach a electric wench to an aluminum I beam H=10"
want to attach a electric wench to an aluminum I beam H=10" W=6" total lenght is 10'. The beam would be drilled in 4 places to bolt the wench to it. The beam will be used to wench duct work weighing a… read more
StructuralEng
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I have a gantry that is 30 feet wides and should lift 1000
I have a gantry that is 30 feet wides and should lift 1000 lbs.what size "I" beam should i use? Thank you… read more
StructuralEng
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What size aluminum I-beams do I need for a dock, 24 feet long,
What size aluminum I-beams do I need for a dock, 24 feet long, supported on each end by 4 foot crib and 4 foot concrete pier, so unsupported span is 16 feet. Plan is to have 2 beams approx 30" apart, … read more
StructuralEng
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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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