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Posted: 7/7/2021 5:51:13 PM EDT
In need to cut out this bottom section of the Truss

So I know I’ll have to weld up more angle above the bottom angle to take the load the bottom piece was supporting

Obviously I’m gonna weld the new angle in before cutting old out

But where do I weld in the new angle?Attachment Attached File
Link Posted: 7/7/2021 5:52:30 PM EDT
[#1]
Why are you cutting it out?  Is this every truss or just one?  Do you/will you have anything hanging from that truss? What type of roof is on the barn? Clean up and organize that place, looks like a bunch of coonasses use it.
Link Posted: 7/7/2021 5:52:49 PM EDT
[#2]
Just curious.  Why do you need to cut it?
Link Posted: 7/7/2021 5:56:39 PM EDT
[#3]
What could possibly go wrong with cutting the main tension member of the truss?!

How’re going to size the welds/development lengths required?

Link Posted: 7/7/2021 5:57:21 PM EDT
[#4]
This is extremely vague....
Link Posted: 7/7/2021 5:58:06 PM EDT
[#5]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Why are you cutting it out?  Is this every truss or just one?  Do you/will you have anything hanging from that truss? What type of roof is on the barn? Clean up and organize that place, looks like a bunch of coonasses use it.
View Quote


Just one truss the garage door tracks are running into it
Link Posted: 7/7/2021 6:00:04 PM EDT
[#6]
Don't cut it, find some way for the track to move away from it.
Link Posted: 7/7/2021 6:00:26 PM EDT
[#7]
I'll take "What was the last question asked by the Maintenance Supervisor at the Surfside Condominium Complex in Miami?" for $400, Alex.

Link Posted: 7/7/2021 6:00:42 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Just one truss the garage door tracks are running into it
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Why are you cutting it out?  Is this every truss or just one?  Do you/will you have anything hanging from that truss? What type of roof is on the barn? Clean up and organize that place, looks like a bunch of coonasses use it.


Just one truss the garage door tracks are running into it



Yeah, I’d figure out another way.  

You could weld a gusset plate to either side of the truss, (also notched) and extending at least a foot or so past the notch but I’d engage an engineer.  Of course, I’m just a good ole boy GC, I don’t know shit.  

As mentioned above, this is frowned upon by the propeller head types (and for good reason)
Link Posted: 7/7/2021 6:05:03 PM EDT
[#9]
Link Posted: 7/7/2021 6:08:33 PM EDT
[#10]

OP, How much clearance do you need?
Link Posted: 7/7/2021 6:10:15 PM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Yeah, I’d figure out another way.  

You could weld a gusset plate to either side of the truss, (also notched) and extending at least a foot or so past the notch but I’d engage an engineer.  Of course, I’m just a good ole boy GC, I don’t know shit.  

As mentioned above, this is frowned upon by the propeller head types (and for good reason)
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
Why are you cutting it out?  Is this every truss or just one?  Do you/will you have anything hanging from that truss? What type of roof is on the barn? Clean up and organize that place, looks like a bunch of coonasses use it.


Just one truss the garage door tracks are running into it



Yeah, I’d figure out another way.  

You could weld a gusset plate to either side of the truss, (also notched) and extending at least a foot or so past the notch but I’d engage an engineer.  Of course, I’m just a good ole boy GC, I don’t know shit.  

As mentioned above, this is frowned upon by the propeller head types (and for good reason)


Yeah it’s sucks because I’m 8” too low on that truss
Link Posted: 7/7/2021 6:10:51 PM EDT
[#12]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


OP, How much clearance do you need?
View Quote


8”
Link Posted: 7/7/2021 6:12:32 PM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
How much interference?

What you should do is add a truss on either side located to clear the doors.  Just one if it's not too far.

If the segment barely interferes, then the truss could be modified with a dog leg and gussets.

If there is a ton of interference you could add a chord parallel to the one you want to cut, full length from the lower end to the mid span.

I would add two, one on each side to maintain symmetry. (Prevent racking.)

The connections to the diagonals will be the trick.

You absolutely do not want to cut that element out without replacing the load path.
View Quote


From the bottom chord i need 8” and the height of the truss is 21”

Link Posted: 7/7/2021 6:13:47 PM EDT
[#14]
Fookin punta

Attachment Attached File
Link Posted: 7/7/2021 6:13:58 PM EDT
[#15]
yeah that looks like a very bad idea.
Link Posted: 7/7/2021 6:15:05 PM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History



Should have done a barn door on a track.
Link Posted: 7/7/2021 6:15:40 PM EDT
[#17]
maybe plate on both sides.
Link Posted: 7/7/2021 6:16:46 PM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


8”
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Quoted:
Quoted:


OP, How much clearance do you need?


8”



damnit, if it was an inch or two you could have cut your verticals and made up the diff in the top roller assy.
Link Posted: 7/7/2021 6:17:11 PM EDT
[#19]
Be much easier to put in a roll up door.
Link Posted: 7/7/2021 6:17:45 PM EDT
[#20]
Full weld a plate of 1/4 on one side that covers the entire truss for like half the length. Then cut your notch
Link Posted: 7/7/2021 6:19:46 PM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Should have done a barn door on a track.
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Quoted:



Should have done a barn door on a track.


yeah I thought about that, I should have because this sort of sucks ATM
Link Posted: 7/7/2021 6:19:53 PM EDT
[#22]
Link Posted: 7/7/2021 6:20:11 PM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
maybe plate on both sides.
View Quote


That would be stronk AF
Link Posted: 7/7/2021 6:21:11 PM EDT
[#24]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Be much easier to put in a roll up door.
View Quote


Yup.

Doesn't take up too much ceiling space if you want to later add overhead storage too.

You dun goofed.
Link Posted: 7/7/2021 6:22:26 PM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Be much easier to put in a roll up door.
View Quote


Roll up door isn't gonna work, it needs to look residential
Link Posted: 7/7/2021 6:22:47 PM EDT
[#26]
Cut a plate of steel the full height for each side with a notch cut in it for the track or whatever. Bolt it straight through from one place to the other in many multiple locations.
Link Posted: 7/7/2021 6:23:46 PM EDT
[#27]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


The next question:

Where is the interference?

At the joint with a diagonal?  

Near the center?

How wide is the door rail?

I have an idea that might not be too obnoxious to install depending on the location of the interference, and simpler than what I suggested above.

This stuff always depends on the details.
.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
How much interference?

What you should do is add a truss on either side located to clear the doors.  Just one if it's not too far.

If the segment barely interferes, then the truss could be modified with a dog leg and gussets.

If there is a ton of interference you could add a chord parallel to the one you want to cut, full length from the lower end to the mid span.

I would add two, one on each side to maintain symmetry. (Prevent racking.)

The connections to the diagonals will be the trick.

You absolutely do not want to cut that element out without replacing the load path.


From the bottom chord i need 8” and the height of the truss is 21”



The next question:

Where is the interference?

At the joint with a diagonal?  

Near the center?

How wide is the door rail?

I have an idea that might not be too obnoxious to install depending on the location of the interference, and simpler than what I suggested above.

This stuff always depends on the details.
.


if you can tell in the pic, the top of the track needs to go up 8", it's a bad pic I know.

that's what you are asking?
Link Posted: 7/7/2021 6:23:58 PM EDT
[#28]
It isn’t too late to install a rolling overhead door.
Link Posted: 7/7/2021 6:24:15 PM EDT
[#29]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Cut a plate of steel the full height for each side with a notch cut in it for the track or whatever. Bolt it straight through from one place to the other in many multiple locations.
View Quote



Gusset plates would need to be welded, not bolted
Link Posted: 7/7/2021 6:24:19 PM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Roll up door isn't gonna work, it needs to look residential
View Quote


Paint fake panels and or windows on it
Link Posted: 7/7/2021 6:24:29 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History


Get a smaller garage door and frame it to fit.
Link Posted: 7/7/2021 6:24:31 PM EDT
[#32]
OP got a hernia?

Attachment Attached File
Link Posted: 7/7/2021 6:24:38 PM EDT
[#33]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Cut a plate of steel the full height for each side with a notch cut in it for the track or whatever. Bolt it straight through from one place to the other in many multiple locations.
View Quote


dude Im a coonass, I am gonna weld it in.
Link Posted: 7/7/2021 6:24:43 PM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Cut a plate of steel the full height for each side with a notch cut in it for the track or whatever. Bolt it straight through from one place to the other in many multiple locations.
View Quote

Link Posted: 7/7/2021 6:25:06 PM EDT
[#35]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Get a smaller garage door and frame it to fit.
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Quoted:


Get a smaller garage door and frame it to fit.


i need the height
Link Posted: 7/7/2021 6:26:41 PM EDT
[#36]
Here for the Lulz
Link Posted: 7/7/2021 6:27:05 PM EDT
[#37]
Just cut the track short and never raise the door all the way
Link Posted: 7/7/2021 6:28:00 PM EDT
[#38]
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Quoted:
Here for the Lulz
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You gone see
Link Posted: 7/7/2021 6:28:05 PM EDT
[#39]
What if you put the WHOLE garage on jacks?

Bump it up the 8" and BAM.  No need to weld anything.
Link Posted: 7/7/2021 6:28:15 PM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Just cut the track short and never raise the door all the way
View Quote


ARE YOU A WIZARD?
Link Posted: 7/7/2021 6:28:59 PM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
What if you put the WHOLE garage on jacks?

Bump it up the 8" and BAM.  No need to weld anything.
View Quote


This all comes back to when I told my FIL that I needed to make my poles 15' and not 14', he said, no they need to be 14'
Link Posted: 7/7/2021 6:30:32 PM EDT
[#42]
Haha. Love me some truss thread!
OP gonna get raped.

Link Posted: 7/7/2021 6:31:21 PM EDT
[#43]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Just one truss the garage door tracks are running into it
View Quote



You do realize that the door will ride up higher than the rollers and the track, right?
Link Posted: 7/7/2021 6:32:49 PM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Haha. Love me some truss thread!
OP gonna get raped.

View Quote



You’re not the one who posted about wood trusses for a pole barn are you?  IIRC that thread was pretty funny.
Link Posted: 7/7/2021 6:35:56 PM EDT
[#45]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Should have done a barn door on a track.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:



Should have done a barn door on a track.



Your idea with a decent length doubled up and notched gusset plate may be the best way. OP, contact your door dealer and inquire about a low headroom track set or conversion and see if they can give you the difference in dimensions. If i remember it drops the spring height from 15" to 9" but I cant remember if it drops the horizontals down as well. Also take mention that the door sits above the track so if you need 8" for the track you'll need another 2" or 3" clearance as the door traverses.
Link Posted: 7/7/2021 6:36:17 PM EDT
[#46]
I think cutting either top or bottom strut would take all the strength of the beam out. It would basically reduce to the strength of just the thickness of one of the metal struts. Don't do it.


Attachment Attached File

Link Posted: 7/7/2021 6:38:07 PM EDT
[#47]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


This all comes back to when I told my FIL that I needed to make my poles 15' and not 14', he said, no they need to be 14'
View Quote


Who's barn / shop / building is this, anyway?

Link Posted: 7/7/2021 6:39:47 PM EDT
[#48]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


This all comes back to when I told my FIL that I needed to make my poles 15' and not 14', he said, no they need to be 14'
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
What if you put the WHOLE garage on jacks?

Bump it up the 8" and BAM.  No need to weld anything.


This all comes back to when I told my FIL that I needed to make my poles 15' and not 14', he said, no they need to be 14'
If you can not go up then go down 8 inches and repour the floor.
Link Posted: 7/7/2021 6:40:32 PM EDT
[#49]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Gusset plates would need to be welded, not bolted
View Quote


Makes sense.
Link Posted: 7/7/2021 6:40:36 PM EDT
[#50]
Instead of 90° angled track peices you can get 80°?
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