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I have a 18' span and want to have a trolley crane to lift
I have a 18' span and want to have a trolley crane to lift 1500 pounds. What size I Beam, 5 inch or 6 inch? … read more
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walkereng
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What size beams (2) are necessary for a 25 foot pedestrian
What size beams (2) are necessary for a 25 foot pedestrian bridge across a stream? The bridge will be on remote private property and to be used for walking only. I estimate 1000 pound load (no snow). … read more
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walkereng
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I need to find out how big of an I-beam or H-beam I would
HI, I need to find out how big of an I-beam or H-beam I would need to span a 36 foot wide creek and hold up to 80,000.... … read more
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walkereng
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What size beams for 20 ft bridge to carry 75000lbs. Wood
what size beams for 20 ft bridge to carry 75000lbs … read more
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I'm looking to build an overhead crane in my shop. The
I'm looking to build an overhead crane in my shop. The maximum I would ever lift would be 2000 pounds. I am looking at using a 6 inch I beam (W6 X 16). The span would be 25 feet and only supported on … read more
walkereng
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I need a 2 I-beam with x bracing style bridge built to span
I need a 2 I-beam with x bracing style bridge built to span a 34 foot creek, and hold a 70,000 lbs load. How do I know what size beams to use? … read more
StructuralEng
StructuralEng
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Im building a 26 ft bridge, need to know what siz I beam to
im building a 26 ft bridge, need to know what siz I beam to use, two I beams spaning 26 ft. needs to hold up a 16000 lb truck … read more
walkereng
walkereng
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I want to build a gantry crane for my garage shop. The
I want to build a gantry crane for my garage shop. The bridge girder would span 15'. The runway beams could be supported at various intervals. maximum hoist weight would be 2 tons. I need to know what… read more
StructuralEng
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I want to build a bridge across a ditch that transects my
I want to build a bridge across a ditch that transects my property. The total unsupported span would be 16', with 4' deep concrete fitting at either end. I need to be able to drive my truck across it … read more
StructuralEng
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I'm building a bridge crane with posts on 27' centers on
Hi. I'm building a bridge crane with posts on 27' centers on both sides of runway. I'm looking at using 21" x 101lb beams for runway with 2-1/2" square solid bar on top for end truck wheels. Looking a… read more
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What size glulam would be needed to span 16' for a 40,000
what size glulam would be needed to span 16' for a 40,000 moving load … read more
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I am building a bridge across a small river. I need to know
I am building a bridge across a small river. I need to know what size I beams and how many to support 35 tons across a 50 foot span. Can someone run these Load calculations for me?… read more
StructuralEng
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I have 3 w24x84 I beams that are 39 feet that I plan to use
I have 3 w24x84 I beams that are 39 feet long that I plan to use to build a bridge. How much weight will they hold?… read more
StructuralEng
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Need to build a 2 walking bridges across a creek span of 42
need to build a 2 walking bridges across a creek span of 42 feet for one and a span of 31 feet for the other. Thinking of using steel I beams, and building wood bridge on top. Need to know size of ste… read more
walkereng
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I am building a spreader bar for lifting molds off of a truck
I am building a spreader bar for lifting molds off of a truck and setting on a roller cart. I have to lift with two overhead cranes. The spreader bar will be 10 feet long, and I am planning on welding… read more
walkereng
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If I am installing the rails for a bridge crane to run on,
If I am installing the rails for a bridge crane to run on, 16ft between columns, would 12X35lbs with a 5.078 flange work?… read more
walkereng
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We have to replace an 8 tall culvert that washed out in a
We have to replace an 8' tall culvert that washed out in a flash flood. We have decided to build a bridge across the creek. The span from end to end is 25'. We are thinking of using 4 ea, wide flange … read more
StructuralEng
StructuralEng
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I want to build a foot bridge over a small creek I would like
I want to build a foot bridge over a small creek I would like the bridge have a span of 22' supported only at the ends and be about 4' wide. I'd like the bridge to be straight across the creek (not ar… read more
walkereng
walkereng
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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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