Questions tagged [deflection]
The deflection tag has no usage guidance.
14
questions
1
vote
0
answers
35
views
Understanding Concentrated Floor Dead Load
DISCLAIMER: This question is for educational purposes only. I know I need a structural engineer to determine safe loads so please don't answer if that is all you have to say. I would like ...
0
votes
0
answers
58
views
I joists not making contact with beam
My basement has I joists running continuously from the concrete foundation. There is a part of the house that bumps out making for a longer span in that area. The builder decided to add a beam there ...
- 25
0
votes
0
answers
86
views
12x24" Porcelain Tile over 2x6x1.5" T&G Spanning 48" Beams
I have some questions in regards to installing 12x24" porcelain tile over 1/2" plywood underlayment that sits above 2x6x1.5" T&G subfloor that is supported by posts and beams on 48&...
- 11
0
votes
0
answers
265
views
How much does 3-sided support of granite countertop material increase the distance that's safe to span?
I am designing a counter for an outdoor kitchen, with a counter made of 3cm granite with block masonry support and stone veneers to decorate. An approximation of the planned layout seen from above ...
- 121
0
votes
1
answer
354
views
Can I replace the engineer's I-Beam recommendation with a different one?
I'm removing a load bearing wall and the structural engineer recommended a W8x15 steel I-beam. It would save me a lot of effort if I could use a 6" beam instead. So I'm trying to calculate the ...
- 123
1
vote
2
answers
2k
views
Tile over 2x6x1.5 T&G subfloor, spanning 48" beams
Long time lurker, first time poster.
I think I might have a solution to my problem but I'd like to get some peer review on it before I start work.
I'm remodeling a master bath (50sf, 10x5) in a 1966 ...
- 13
1
vote
1
answer
217
views
Span calculator using arbitrary spacing?
My "new" 72-y/o house is... interesting. The garage is much younger but still I just raise my eyebrows at some things.
One of them is the loft/attic area in the garage. I wanted to move all my ...
- 145
0
votes
1
answer
81
views
will any glue bond 2 long, bendable metal components
I am trying to create stiffness on an 8-foot length of 1/4" acrylic, with minimal visual footprint. I hit on an 8-foot aluminum U-shaped channel (slips right over top of the acrylic), but it wasn't ...
- 3
1
vote
2
answers
531
views
Backer board bowing on 24" inch steel studs for rock ledger panel installation
I wanted to screw Hardie backer board (.42") over my drywall to the steel studs to adhere 6" x 24" x1" stone ledger panels using polymer modified thin-set, floor to ceiling is 12'.
Problem is that ...
- 11
1
vote
4
answers
1k
views
Steel tube deflection over span
I am installing 16' desktop to a concrete block wall. The back wall and one side will sit on a 2x4 ledger. The opposite short side will be a solid plywood panel to help support weight.
The top will ...
- 1,193
1
vote
2
answers
2k
views
Can I modify a roof truss by removing purlins and kickers?
I have an attic space I'd like to make more user friendly. The rafters are original 2x4's, same goes for the purlins, and the kickers.
The span is approx 12 feet. This particular space is over a ...
- 31
2
votes
1
answer
694
views
Increasing subfloor thickness under new shower pan
I ripped my old shower down to the studs and joists. The studs were rotten, the subfloor was rotten, and the top of the joists (in some places) were weak and rotten.
I plan on replacing some studs ...
- 133
0
votes
1
answer
898
views
How to correct possible subfloor l/360 deflection under live load, when basement below is finished
Installing porcelain planks 6"x 36" with 11mm thickness, in main floor Living room that was previously carpeted. House is 2 story town, 13yrs old.
Room size across W 18' x Length joist span of 11.8'(...
- 1
15
votes
1
answer
9k
views
How do I correctly install ceramic floor tile?
How do I correctly install ceramic floor tile? There's lots of talk about using backerboard and waterproofing membranes, what an acceptable floor deflection is, different grout and thinset additives, ...
- 13.5k