(Topic ID: 248104)

Will my floor support this weight?????

By Dantesmark

2 years ago

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  • 36 posts
  • 20 Pinsiders participating
  • Latest reply 2 years ago by stangbat
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    Topic poll

    “Will my floor hold this weight?”

    • Easily... no issue whatsoever 10 votes
    • No... spread the machines into other areas of the house. 5 votes
    • Maybe.... but im no structural engineer 20 votes

    (35 votes)

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    #6 2 years ago

    My gut feeling is you'll be fine. Loading makes a big difference. If the games are close to the wall, that's obviously better than if all the games were in the middle of the room. And consider that a pin might weigh 200-250+ lbs, but it is distributed over four legs that are a ways apart. A 250 lb person puts all that weight in a small spot. And the pins will help keep the load from occupants getting too out of hand because they take up a bit of space.

    Building codes are pretty conservative and try to take in to account weird loadings and situations. But you can't design for every possible scenario. If the beams have any lateral bracing, you'll be in much better shape than if there's none. The beams in my home are doubled up about every 4', and that also helps. How old is the home?

    Now if you said you were having a pinball dance party with 35-40 people jumping around the games, I might give a different answer.

    #9 2 years ago

    You'll be fine. You have an open modern home, everyone won't be crammed in tightly and the games will be spaced out near the wall.

    #24 2 years ago
    Quoted from Dantesmark:

    Looks like my floor will hold at least 13000 lbs.

    Like I said in my post, it is also very important how the load is distributed. Some weird loading conditions can make things fail even when you are under the design loads. And dynamic loading changes things on top of that (people dancing, jumping, etc.)

    I'm not saying you won't be fine, I'm just splitting hairs. It isn't as simple as X lbs/sqft.

    #27 2 years ago

    Memories...haven't done this in a while.

    shear moment (resized).png
    #30 2 years ago
    Quoted from Dantesmark:

    Uuuh... i dont get it

    Just an engineering reference for anyone that had to endure hours of shear moment diagrams.

    #36 2 years ago
    Quoted from gutz:

    Haven't done V & M diagrams in a while or haven't done them correctly in a while? That one is incorrect

    I haven't done them in a really long time and I didn't even really look at it, I just grabbed an image off a search.

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