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What Is Stronger

 
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Old 07-06-2020, 09:26 PM   #1
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What Is Stronger


What is stronger a cantilevered joist over a post and beam or the same floor with a recessed beam and joist hangers

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Old 07-06-2020, 09:34 PM   #2
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Re: What Is Stronger


Love.

Love is stronger.


Andy.

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Old 07-06-2020, 09:34 PM   #3
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Re: What Is Stronger


Love is obviously the strongest. Thanks

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Old 07-06-2020, 09:35 PM   #4
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Re: What Is Stronger


I THINK I understand what you are asking and the drop beam would present fewer possible troubles.

Andy.
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Old 07-06-2020, 09:37 PM   #5
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Re: What Is Stronger


Im asking because a friend and I were having a conversation about some works he's doing on his house, he has a beam in the basement holding up his first floor and was looking to gain more head room so I suggested to recess the beam and use joist hangers I just wasn't sure if it was as strong as the original set up

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Old 07-06-2020, 09:39 PM   #6
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Re: What Is Stronger


Support closest to load tends to be the strongest, as a basic principle.

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Old 07-06-2020, 09:40 PM   #7
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Re: What Is Stronger


Quote:
Originally Posted by nickelec View Post
Im asking because a friend and I were having a conversation about some works he's doing on his house, he has a beam in the basement holding up his first floor and was looking to gain more head room so I suggested to recess the beam and use joist hangers I just wasn't sure if it was as strong as the original set up

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Bearing fully on a beam is better than just hangers, but flush beams are common build techniques these days.

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Last edited by META; 07-06-2020 at 09:44 PM.
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Old 07-06-2020, 09:42 PM   #8
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Re: What Is Stronger


Yes I have seen that on Many job sites

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Old 07-06-2020, 09:44 PM   #9
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Re: What Is Stronger


I am not the brightest but how can you cantilever a joist from a recessed beam with joist hangers. The joist has to go over the beam for it to be cantilevered, no?
Your terminology may be incorrect
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Old 07-06-2020, 09:45 PM   #10
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Re: What Is Stronger


Yes I was asking about two different scenarios

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Old 07-06-2020, 09:47 PM   #11
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Re: What Is Stronger


Marry a rich girl and hire a CT guy to do yout work...
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Old 07-06-2020, 09:52 PM   #12
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Re: What Is Stronger


He's got a contractor we were just brainstorming

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Old 07-07-2020, 05:30 AM   #13
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Re: What Is Stronger


A flush beam shrinks equally that is all I can see
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Old 07-07-2020, 07:45 AM   #14
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Re: What Is Stronger


Quote:
Originally Posted by rrk View Post
I am not the brightest but how can you cantilever a joist from a recessed beam with joist hangers. The joist has to go over the beam for it to be cantilevered, no?
Your terminology may be incorrect
Not sure if he was using the word cantilever correctly. The joist are currently sitting on the beam for full support. In order to gain headspace in the room he wants to take the joists and cut them so he can put them in the same line as the beam using hangers. Thereby gaining the width of the joist in new headroom because they are now in the same plane as the beam instead of being supported by the beam.
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Old 07-07-2020, 08:05 AM   #15
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Re: What Is Stronger


Quote:
Originally Posted by Leo G View Post
Not sure if he was using the word cantilever correctly. The joist are currently sitting on the beam for full support. In order to gain headspace in the room he wants to take the joists and cut them so he can put them in the same line as the beam using hangers. Thereby gaining the width of the joist in new headroom because they are now in the same plane as the beam instead of being supported by the beam.
Correct

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Old 07-07-2020, 09:15 AM   #16
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Re: What Is Stronger


In that scenario think it's six of one, half dozen of the other.
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Old 07-07-2020, 10:01 AM   #17
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Re: What Is Stronger


Quote:
Originally Posted by Leo G View Post
Not sure if he was using the word cantilever correctly.
He wasn't
A cantilevered joist would be unsupported at 1 end
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Old 07-07-2020, 10:20 AM   #18
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Re: What Is Stronger


I've seen floor joist run like that. You have a staggered pattern where they just stop. Usually they have some cross bracing at the end. But it's not a usual thing to do.
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Old 07-07-2020, 12:03 PM   #19
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Re: What Is Stronger


Drop beam is less susceptible to problems due to rot and fire. Which is stronger is more of an academic question, unless you get into shear discussions.

Drop beams fail more gracefully, generally speaking.
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Old 07-08-2020, 08:57 AM   #20
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Re: What Is Stronger


hDavis nailed it.

Shear is the weaker of the 2 scenarios. Always choose to work WITH gravity for best results.

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