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Boat lift cradle uses 2 beams, 13 ft apart with 3 salt
Boat lift cradle uses 2 beams, 13 ft apart with 3 salt treated 2x8 boards long wise on the 2 beams for pontoonsome to rest on. . Max boat wt 4000 lbs ( probably much less). W4x13 galvanized. 15.5 ft s… read more
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walkereng
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Looking for the structural equivalent of three 2x10s
looking for the structural equivalent of three 2x10s laminated as a carrying beam for a deck, as an I-Beam, with the shortest height. I think it is an S4. this is for a deck. … read more
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How thick does an aluminum hollow square beam 3.5 inches by
How thick does an aluminum hollow square beam 3.5 inches by 3.5 inches have to be if the span is 20 feet and the load is 1,000 lbs. … read more
StructuralEng
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Will a 20' aluminum c-beam, grade 6061, 6" x 2" x 1/4",
Will a 20' long aluminum c-beam, grade 6061, 6" x 2" x 1/4", braced laterally every 2 feet, support 800 lbs. at mid span? … read more
StructuralEng
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I'm installing a beam in my garage to attach a trolley and
I'm installing a beam in my garage to attach a trolley and hoist. The beam must be a steel I beam to attach the trolley (or 2 steel structure channels bolted together to form an I beam). Two Channels … read more
StructuralEng
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I plan to knock out an existing CMU column to install a
I plan to knock out an existing CMU column to install a patio door that is 155in wide. A 3.5in wide by 7in high (actual dimensions) beam (I'm pretty sure that the beam is made out of Douglas Fir) hold… read more
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I am looking structural engineer to get a recommendation on
I am looking for a structural engineer to get a recommendation on making a material choice for deflection… read more
walkereng
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I am planning on using 2 1/2" x 3/8" Square tubing gangway,
I am planning on using 2 1/2 " x 3/8" Square tubing for a gangway, one on each side with wood planking connecting to two to provide the gangway. My question is, with the 24' long gangway supported on … read more
StructuralEng
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I am spanning 20' and need to support 2000 lbs at a point 130
I am spanning 20' and need to support 2000 lbs at a point 130 Inches from one end. What size LVL or steel beam equivalent do I need.… read more
StructuralEng
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I would like to remove a section of a center wall under a main
I would like to remove a section of a center wall under a main floor. I would like to inset a new flitch beam, flush with the 2x12 floor joists and hang the joists from the side faces of the beam. The… read more
StructuralEng
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I need to span 28 ft with a beam to remove a wall at mid span
I need to span 28 ft with a beam to remove a wall at mid span fo the roof. Roof is 4:12 with concrete tile at 9 lbs per sq ft and rafters are 2 x 8 at 16" o/c. What size beam and which type would be n… read more
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We are using a S24 X 100 lb. beam supported at each end @
We are using a S24 X 100 lb. beam supported at each end @ 46 ft. center to center on the supports Can this beam support an underslung load 18 inches wide that weighs 10,000 lbs?… read more
walkereng
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We want to install a steel H-beam across the 18 foot distance
We want to install a steel H-beam across the 18 foot distance between our house and our garage. We plan to run some electrical wire/conduit across the beam and hang an outdoor heater and some lights f… read more
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I am not sure if my ? arrived. I propose a 4 ply 1 3/4x11
I am not sure if my ? arrived. I propose a 4 ply 1 3/4x11 7/8 LVL Timberstrand 16 feet long uniformaly loaded with 16000 pounds and simply supported at both ends. Is that LVL OK? What size of 10 inch … read more
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I have a long, slender vessel that is internally pressurized.
I have a long, slender vessel that is internally pressurized. Two sides of the vessel acts a beams uniformly loaded along their length. From calculation, I know that the beam beading stress and deflec… read more
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TO FIGURE LOAD ON A BEAM HOW DO YOU CONVERT FROM TOTAL LOAD
TO FIGURE LOAD ON A BEAM HOW DO YOU CONVERT FROM TOTAL LOAD IN LBS/FT.SQ. TO KIPS. I HAVE A 20 X37 FOOT DECK I WOULD LIKE TO SPAN A CREEK WITH. 37' SPAN USING 2 STEEL BEAMS. DEAD LOAD @10LBS PER FT SQ… read more
StructuralEng
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I have a 4X7 beam that spans 15.5 ft. I want to create a
I have a 4X7 beam that spans 15.5 ft. I want to create a "flitch plate" beam by sandwiching the beam with a c8X18.75 on each. Live Load = 709 lbs/lf Dead Load = 480 lbs/lf Wall Load = 100 lbs/lf Is th… read more
StructuralEng
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I an assessing an existing support from around the fifties.
I an assessing an existing support from around the fifties. The I beam messures 2.75" wide and 4" total beam height (Depth). The web is about .25 " thick. The Thickness of the Width is tapered and .37… 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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