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How far can an 8x8 deck beam span? Building a 16'x22'
Building a 16'x22' carport that will want to have as a roof deck down the line. Four 8x8 posts, two 16 ft long beams front and back, 22 ft joists perpendicular to them. what are the smallest beam and joist sizes possible with these spans? … read more
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I need to build a bridge the spans 16' and is 16' wide. It
I need to build a bridge the spans 16' and is 16' wide. It needs to hold a concrete truck, 80,000 lbs. And I plan on pouring a 6" reinforced concrete deck. What size w beam would I need and how many? … read more
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Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched
Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched between for beam 24 feet long to support 16 ft joist on deck over garage door . How far can it span between posts … read more
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I need to build a bridge over a 16ft bridge i want to use
I need to build a bridge over a 16ft bridge i want to use ibeam and metal plate wht size beams and bracing should i use it will be 10ft wide and needa to hold 7,500 pounds… read more
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I would like to build a deck 8' above grade which will be
I would like to build a deck 8' above grade which will be 16' wide by 34' long. On one of the 34' lengths, secure the deck to the existing 2 story house with a ledger and hangers. On the other end of … read more
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I'm building a 20x20 deck directly off a house. Can I use
I'm building a 20x20 deck directly off a house. Can I use (3) 2x12 beam at center and at end of deck. And use 2x10 joists at 16" o/c? … read more
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I want to cover my back porch which is 30' x 25'. I'm
I want to cover my back porch which is 30' x 25'. I'm looking to clear spam the entire deck and support on each end with beams below the hoist spanning over the deck. Is this possible? … read more
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Building a barn with a hay loft for storage above. center
building a barn with a hay loft for storage above. center poured concrete aisle is 8 feet wide by 50ft long. 6x6 posts every 4-6 feet on either side of the aisle. on top of those posts 50' of support … read more
StructuralEng
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Im am building a 16x22 deck off my house, its a 2 story
hi, Im am building a 16x22 deck off my house, its a 2 story house. … read more
StructuralEng
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I am looking into building a patio cover. It will be
Hello, I am looking into building a patio cover. It will be 24'x22'. The plan is to have one open gable on the east side and hips on the west side. It will be freestanding next to my L shaped ranch st… read more
StructuralEng
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I am building a pavilion cover over a deck. I want to use
I am building a pavilion cover over a wood deck. I want to use cedar wood for the post, beams, and rafters. The post would be 8x8, the rafters 2x10 or 2x12 on 24" centers. The beams would span 14' on … read more
StructuralEng
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I'm replacing a 16.5' span that held up a enclosed porch
I'm replacing a 16.5' span that held up a enclosed porch extension 4x6. it is currently braced at 8 feet with a 4x4 post. I want to eliminate the middle post and have an open span of 16'. I need this … read more
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I am interested in building a platform above ground
i am interested in building a platform for an above ground pool. Pool is round, 14' diameter and max 42" deep. Last year I placed it on the grass and the ground was slightly unlevel so this year I was… read more
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Building a deck off of a second story bedroom 20 feet wide.
Building a deck off of a second story bedroom 20 feet wide. Owners only want corner Support. My proposal is a footing 30 inches square and 18 inches deep at grade with a mounting bracket, 6 by 6 posts… read more
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The the size of a center Glulam Exterior treated beam that
The the size of a center Glulam Exterior treated beam that is 24' long with supporting 16' long joists on both sides. Load is an evenly loaded wood deck.… read more
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I am building a rised deck, it will not be instected. What
I am building a rised deck, it will not be inspected. What I would like to know or how to figure out is what size I beam I can use for how long of spand. My present plan is to run the I beam parellel … read more
StructuralEng
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I want to build a simple bridge across a creek. The heaviest
I want to build a simple bridge across a creek. The heaviest load the bridge will carry is a tractor, weighing about four thousand pounds. I would like to build two concrete abutments at either side a… read more
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building an exterior deck attached to house. Ceramic tile
building an exterior deck attached to house. Ceramic tile over 1.25" mortar over waterproof membrane over 2x6 t&g fir over df wood joists at 36" o.c.. Max joist span is 9'. I have W6X9 steel I beams (… read more
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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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