Announcement

Collapse
No announcement yet.

Concrete slab question

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • fxpose
    replied
    Re: Concrete slab question

    Regarding suspended slabs, I have seen city street maintenance workers repair old collapsed sidewalks over large storm drain entries. Sheets of suspended plywood forms are placed under pinned criss-crossing rebars and concrete poured onto that. The plywood forms are left there indefinitely as there is no way to remove them.
    I can probably do the same thing here and not have to deal with filling the areas with tons of solid fill material. ......almost like building a stand for an oven.

    Any thoughts on this would be appreciated.

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    Originally posted by Dutchoven View Post
    Is it going to be a suspended slab on top of those block walls or are you pouring inside of them. I am sorry if it is mentioned somewhere but, just getting a feel for what you are doing
    All the best!
    Dutch
    Thanks.
    Well, I was simply planning on filling them with dirt and gravel, then pouring the slab on top but that's quite a bit of filling material I have to come up with.
    My other option is to erect block columns and suspend the slabs. A few concrete footings are still in place from the old wood deck that used to be there so I can use them for support if I decide to go that route.

    Leave a comment:


  • Dutchoven
    replied
    Re: Concrete slab question

    Is it going to be a suspended slab on top of those block walls or are you pouring inside of them. I am sorry if it is mentioned somewhere but, just getting a feel for what you are doing
    All the best!
    Dutch

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    Originally posted by ThisOldGarageNJ View Post
    Where will the oven be in the picture ?
    Actually, the oven will eventually be built somewhere close to where that big ole' tub is sitting. I plan on designing and building a terraced concrete patio around the oven.

    The block wall I'm working on now is just the side of the house leading down to the main patio area where the WFO will be.

    Leave a comment:


  • ThisOldGarageNJ
    replied
    Re: Concrete slab question

    im sure you could fill every other as long as you throw some rebar in too... You can also use SBC, Surface Bonding Cement,, really easy to work with and has more strength than a mortar joint..

    Where will the oven be in the picture ?

    Cheers
    Mark

    Leave a comment:


  • Les
    replied
    Re: Concrete slab question

    Every other is fine - and obvioulsy the ones with steel.

    Les...

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    Thanks again!

    Do you guys think I should fill every core or can I get away with filling every other? I know the cores can use up lots of concrete. Thanks!

    Leave a comment:


  • ThisOldGarageNJ
    replied
    Re: Concrete slab question

    this is definitely an ambitious project... looks great so far.....

    Cheers
    Mark

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    More progress. During the week I mortared the first course to the footing and just yesterday I laid horizontal rebars and stacked the rest of the blocks.
    I will toss in a few vertical rebars and fill most of the cores this week.

    So far, this has been a great practice project for me before moving to the larger patio/WFO project.



    Leave a comment:


  • Archena
    replied
    Re: Concrete slab question

    I'm reminded of something the Lord once said about new wine in new wineskins...

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    Hi Neil2,

    Thank you for your reply. What you're advising makes a lot of sense. I'm going to rethink this carefully.

    Leave a comment:


  • Neil2
    replied
    Re: Concrete slab question

    "And for extra measure, to prevent eventual sinking or tilting of the slab, I will drive rebars into the existing rear and right side block foundation,"

    I would advise against this. Keep the new slab and footings independent of the existing foundation walls. If not, any movement or settlement of the new works could damage the existing walls. Put a 1/2 layer of felt/fiber material against the existing walls prior to pouring.

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    I plan on just dry-stacking, re-barring the blocks, and filling most of the cores with concrete but is it necessary to mortar the first course onto the footings? I need to dead level the first course anyway so using mortar makes sense.

    That giant bath tub situation is still up in the air....
    Last edited by fxpose; 10-21-2009, 10:33 AM.

    Leave a comment:


  • ThisOldGarageNJ
    replied
    Re: Concrete slab question

    Your off to a good start,, I see you havent made the giant bathtub into a garden shed yet,,, or maybe bomb shelter....

    Leave a comment:


  • fxpose
    replied
    Re: Concrete slab question

    I poured the footings over the weekend. I think I used about a yard of concrete on two separate pourings as I dug pretty deep. I didn't get the mixer yet so it was the old wheelbarrow......good thing I had a friend help me out doing the mixing...

    Last edited by fxpose; 10-20-2009, 06:34 PM.

    Leave a comment:

Working...
X