#11  
Old 09-19-2009, 08:43 PM
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Les Les is offline
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Default Re: 3G_'s Build

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Originally Posted by ThisOldGarageNJ View Post
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...
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Last edited by Les; 09-19-2009 at 08:49 PM.
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  #12  
Old 09-20-2009, 12:18 AM
3G_ 3G_ is offline
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Default Re: 3G_'s Build

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
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  #13  
Old 09-20-2009, 04:46 AM
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Default Re: 3G_'s Build

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Originally Posted by Les View Post
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 ?
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  #14  
Old 09-20-2009, 10:13 AM
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Default Re: 3G_'s Build

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.
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  #15  
Old 09-20-2009, 01:10 PM
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Default Re: 3G_'s Build

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
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  #16  
Old 09-20-2009, 03:11 PM
3G_ 3G_ is offline
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Default Re: 3G_'s Build

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.
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  #17  
Old 09-20-2009, 11:00 PM
Peasant
 
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Default Re: 3G_'s Build

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.

Last edited by Himzo; 09-21-2009 at 01:01 AM.
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  #18  
Old 09-21-2009, 01:19 AM
3G_ 3G_ is offline
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Default Re: 3G_'s Build

Thanks for the heads up Himzo. Called but all sold. Time for another APA!!
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  #19  
Old 09-21-2009, 03:56 PM
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Default Re: 3G_'s Build

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Called but all sold.Time for another APA!!
Bummer, Oh well enjoy the APA.

Himzo.
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  #20  
Old 10-02-2009, 12:44 AM
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Default Re: 3G_'s Build

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.
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