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Related Structural Engineering Questions
Could you review my home remodeling plan from a structural
Hello, could you review my home remodeling plan from a structural engineering standpoint? I understand that you will need to charge a fee to fully calculate the roof rafter bracing I need as described… read more
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What size ridge beam is required for a 40' clear span? Pitch
What size ridge beam is required for a 40' clear span? Pitch 12 on 12. Cathedral ceiling. … read more
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I have existing 19'-10" W x 36'- 0" L shop garage building.
I have existing 19'-10" W x 36'- 0" L shop garage building. I currently has a single slope roof using wood joists, 3/4" wood plan sheathing, and 5-vcrimp metal roof. What is there now is in very poor … read more
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I have a shed dormer framed up with its rafters (2x6) at
I have a shed dormer framed up with its rafters (2x6) at ~2.7/12 pitch. The rafters are nailed into a ridge board (2x8). Do I need a ridge beam if I use rafter ties?… read more
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I have a question for a structural engineer. I am seeking to
I am seeking to add a supplemental structural ridge beam under a ridge board in an old garage, which has some roof sagging (3-4"). It's got 2x8 rafters, 4/12 pitch, and just a 2x8 ridge board with no rafter ties and just a few collar ties. Span is 24'. We would like to drywall the underside of the "cathedral" type ceiling. The walls are concrete block except for the triangular gable ends which are framed. We are not looking to remove anything existing, just slide in a supplemental beam as described here: https://www.youtube.com/watch?v=BMSo-avByjY&list=WL&index=6&t=0s The video shows roof trusses being cut, but we have no trusses - it just describes the method of lifting we'd like to use. My question is, what size LVL beam do we need? The supplier near me offers microlam LVL 1 3/4" thick beams in 14", 18" tall, and other heights, in any length, that are supposed to be sandwiched to make any width like 3.5" or 5.25". We do not want to add rafter ties because the vertical walls are only 7' tall and we need the headroom. … read more
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I'm looking to build a screened porch in Iowa that measures
I'm looking to build a screened porch in Iowa that measures 16' wide by 20' long with a vaulted ceiling at the same pitch as the roof (6/12). What size LVL beam would be necessary to carry the load on… read more
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What size ridge beam would I need for 16 ft tributary width,
What size ridge beam would I need for 16 ft tributary width, 10psf dead load, 20 psf live load, 20 ft length? Can I use Doug fir #2 or must I use LVL? … read more
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I have an addition we're building to my home it's 27' wide
Hello I have an addition we're building to my home it's 27' wide 16 feet long..2x10 roof rafters that are 15feet 6 inches long 16 on center with 2x12 ridge beam 5/12 pitch I live in Vermont we're we g… read more
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I had an addition built 6 months ago ,cathedral. He used 2x6
I had an addition built 6 months ago ,cathedral. He used 2x6 for rafters its 22' long 2" engineered wood beam. 6 ' rise from top plate and13' run from beam to plates each side. About 5/3 pitch? He did… read more
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Span 36 wide house with 8 pitch and 130 # snow load, New
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I have a room in a remodel with conventional 8' ceiling that
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I want to span 18' with a beam to support 2' oc 2x10 rafters
I want to span 18' with a beam to support 2' oc 2x10 rafters which are 16' long and will rest on the birds mouth @ 14' (2' over hang). 6" pitch, Maine snow load, metal roof. What size should the 18' s… read more
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I need advice on LVL and dimensional lumber sizing various
Hi, I need advice on LVL and dimensional lumber sizing for spanning various distances under 3 different circumstances. I'm in Louisville, KY.… read more
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What size beam do I need to create an opening of 21' 4" in a
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How big a LVL beam do I need to span 20 feet on a porch that
How big a LVL beam do I need to span 20 feet on a porch that is 16 feet wide. The beam will support 2x8 rafters.… read more
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I am in the process of renovating a very small (750sqft) house
I am in the process of renovating a very small (750sqft) house that was built in 1935. It is technically only one story but it is has a traditional A frame roof so I am converting what used to be noth… read more
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I have a 25 span, carrying a 4-12 pitch roof - 10 from load
I have a 25' span, carrying a 4-12 pitch roof - 10' from load bearing exterior wall - what size of I-beam is required?… read more
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We are removing an exterior wall in our one story hunting cabin
We are removing an exterior wall in our one story hunting cabin that opens onto the porch. We need to size a beam that will span a 24 foot opening. The exterior wall is carrying the load for the roof … read more
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