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I have a 16 foot wide span every 8 feet, over all length is…

Customer Question
I have a 16...

I have a 16 foot wide span every 8 feet, over all length is 24 feet. What size of douglas fir should I use?

Tutor's Assistant: OK. Tell me a bit more about what's going on so we can help you best.

Building a covered patio out of post and beam construction

Tutor's Assistant: Is there anything else important you think the Structural Engineer should know?

Yes, what size posts should I use?

Submitted: 8 months ago.Category: Structural Engineering
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7/31/2017
Structural Engineer: StructuralEng, Consultant replied 8 months ago
StructuralEng
StructuralEng, Consultant
Category: Structural Engineering
Satisfied Customers: 7,630
Experience: Structural Engineer
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Hello
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Customer reply replied 8 months ago
Hi there, I'm Ken
Structural Engineer: StructuralEng, Consultant replied 8 months ago
Hi Ken. Is this for a primary beam?
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Customer reply replied 8 months ago
Where are the answers? No more money.
Structural Engineer: StructuralEng, Consultant replied 8 months ago
I have some questions. The first one is above
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Customer reply replied 8 months ago
the 16' foot by 28' post and beam structure has 4 posts on the 28 foot sides; the beam size is for the 16 foot span (width) between posts.
Structural Engineer: StructuralEng, Consultant replied 8 months ago
Which direction does the ridge run?What is the city and state so I can look at snow loading?
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Customer reply replied 8 months ago
I will need 2 of these beams and 2 to other beams which will also support a loft.
Structural Engineer: StructuralEng, Consultant replied 8 months ago
Can you post a sketch showing your layout and where you want a loft?
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Customer reply replied 8 months ago
Fillmore Utah 84631
Customer reply replied 8 months ago
east and west
Customer reply replied 8 months ago
The beam will be out of rough cut Douglas Fir
Structural Engineer: StructuralEng, Consultant replied 8 months ago
Are you able to post a sketch? I'm asking questions. I'm not sure if you don't see them, but I need quite a bit more information.
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Customer reply replied 8 months ago
How do I add a snipit to the conservation box?
Customer reply replied 8 months ago
see files
Customer reply replied 8 months ago
I'm assuming you have what information you need?
Customer reply replied 8 months ago
Good morning JA
Structural Engineer: StructuralEng, Consultant replied 8 months ago
There is no framing shown. Just an outline of he building and some posts
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Customer reply replied 8 months ago
Did you click on the other sheets?
Structural Engineer: StructuralEng, Consultant replied 8 months ago
I didn't see the other sheets in the workbook. Let me check it out now.
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Customer reply replied 8 months ago
my first design was with 6" x 6" beams then I could see the need for some expert help in sizing the beams
Customer reply replied 8 months ago
Good morning JA, is there any progress?Ken
Structural Engineer: StructuralEng, Consultant replied 8 months ago

What member do you want me to size?

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Customer reply replied 8 months ago
JA, how are you? I hope we can get this done today?
1. The 8 upright posts,
2. the 16 foot span beams (2) different ones, (2) the same design with out loft, and (2) with loft
3. and the truss beam portion
Customer reply replied 8 months ago
JA,I need the infoKen
Structural Engineer: StructuralEng, Consultant replied 8 months ago

Hello. I apologize for the delay. I didn't receive a notice that you responded. I can do this as a premium service or provide one size as this question. Just let me know if you want me to submit the premium service offer.

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Customer reply replied 8 months ago
size the 16' beams
Structural Engineer: StructuralEng, Consultant replied 8 months ago

You can plan for 5.25" x 14" 2.0E LVL beams. They will limit deflection to L/360

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Customer reply replied 8 months ago
As stated in the beginning, the beams are Douglas fur rough cut beams, what size will they need to be for the 16 foot span
Structural Engineer: StructuralEng, Consultant replied 8 months ago
8x18 Doug fir timber that meets grading standards for no. 2
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Customer reply replied 8 months ago
Would an 8x8 bolted to a 10x10 substitute for the 8x18
Structural Engineer: StructuralEng, Consultant replied 8 months ago
No. The shear flow wouldneve check out for the bolts.
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Customer reply replied 8 months ago
Would an 8x8 bolted to a 10x10 substitute for the 8x18 ?
Customer reply replied 8 months ago
Here is what I mean, please see attached. If this would work I could build the upper portion of the bend separate then bolt them to the lower section.
Structural Engineer: StructuralEng, Consultant replied 8 months ago
That's what I assumed. That is not the same as a 18" beam
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Customer reply replied 8 months ago
OK, using two beams, what size would they need to be, as the original sketch showed the two beams together?
Structural Engineer: StructuralEng, Consultant replied 8 months ago
Two 10x10 and they need to be graded no. 1
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Structural Engineer: StructuralEng, Consultant replied 8 months ago

Do you have any other questions on this topic? If you could rate my answer, I would appreciate it.

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