3G_'s Build Pompeii Oven Construction Discuss 3G_'s Build in the Pizza Oven Design and Installation forums; Originally Posted by ThisOldGarageNJ looking good so far 3g,,, good idea with the rebar I'm not to sure about that. ...

[Les]

Originally Posted by ThisOldGarageNJ

looking good so far 3g,,, good idea with the rebar

I'm not to sure about that. Two pieces of two inch angle iron has a butt load more shear strength then rebar. 3G - did you run any calc's on the weight that this approach can support? It's hard to imagine the amount of weight, until you start dumping multiple bags of mortar, more bricks then you thought, and the final finish. This is just the static weight - you will be on top of it moving around.

Just a concern.

Les...

[3G_]

Yeah, i havent done any calcs on the forces being applied. I will definately beef up the rebar or go the lintel approach.
Cheers Les

[ThisOldGarageNJ]

Originally Posted by Les

I'm not to sure about that

maybe, les has a valid concern, ? Im sure you could slip angle iron in or even build an arch under the opening for additional support ?

[Neil2]

I think the lintel detail you are showing should be more than strong enough. Pull the bottom bars up a bit so that you get at least 1 inch of concrete under them. These bars should also be either bent down or horizontally into the walls at the ends for 12 inches or so.

[mluttropp]

I agree with Neil. Two half inch bars on the bottom should be more than strong enough as long as you bend them down into a wall.

matt

[3G_]

All the rebars are bent down and go down 500mm. I have to notch the blocks out further to get more coverage at the bottom. My little 5 inch grinder needs a new blade. I will add another bar top and bottom and that will hopefully do it.

[Himzo]

HI 3G,

There was abloke in Friday's Advertiser selling a pallet load of fire bricks. Didn't think to ring him as I'm still a long way from starting. He was in Athelston.

Anyway, if you can get a copy of Fridays paper, he may still have them.

Himzo.

[3G_]

Thanks for the heads up Himzo. Called but all sold. Time for another APA!!

[Himzo]

Called but all sold.Time for another APA!!

Bummer, Oh well enjoy the APA.

Himzo.

[3G_]

Slab is now poured and im agoing to pour the vermiculite layer tomorrow. Is it nessecary to pour the whole slab or can i make a round orm and just pou the are that the walls, floor and opening will cover. I have two 100 litre bags to use but can easily buy another if needed.