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  #31  
Old 12-02-2012, 04:51 PM
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Default Re: new build in werribee

Thanks for that i agree with gulf.
Ever seen pics of Italian pizza oven in Japanese setting....?

just had a thought, black and grey granite render with the stainless steel face, will blend in with the lantern and bowl. I think it's the winner
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  #32  
Old 12-09-2012, 04:40 AM
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Default Re: new build in werribee

Well after a 37 deg day, base is ready to pour. This thing is going no where, old man reckons it'll support almost anything. Any how pouring tomorrow.
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  #33  
Old 12-11-2012, 03:16 AM
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Default Re: new build in werribee

Well pad has been poured and all worked out quite well. I was just tonight trying to work out what the cooking floor height needs to be and found a thread talking about this. having read that thread about the 8" cantilevered hearth being overkill. I will point out that the pad in photos below is 360mm deep at pier depth. So i guess it ain't going anywhere in a hurry. I constructed it just like a house slab.
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  #34  
Old 12-14-2012, 03:13 AM
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Default Re: new build in werribee

Well i had 30 hebel blocks 600x200x150 and 2 x 2.7mx75mmx600mm hebel panels delivered today. To be used for the oven stand and hearth base.

In the photos i posted of the concrete pad i poured on Monday as you can see it is cantilevered. I know the oven can weigh a tonne the Hebel stand will weigh approx 475kg.

The cantilever is 120mm @ 150mm thick with the reinforcing you can see in the photos reo mesh and 16mm reo.

my question is for all the experienced builders out there will the cantilevered pad support the weight. I know i am questioning myself here but would appreciate any feedback anyone can offer.

Cheers Colin
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  #35  
Old 12-14-2012, 03:22 AM
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Default Re: new build in werribee

Quote:
Originally Posted by oasiscdm View Post
Well i had 30 hebel blocks 600x200x150 and 2 x 2.7mx75mmx600mm hebel panels delivered today. To be used for the oven stand and hearth base.

In the photos i posted of the concrete pad i poured on Monday as you can see it is cantilevered. I know the oven can weigh a tonne the Hebel stand will weigh approx 475kg.

The cantilever is 120mm @ 150mm thick with the reinforcing you can see in the photos reo mesh and 16mm reo.

my question is for all the experienced builders out there will the cantilevered pad support the weight. I know i am questioning myself here but would appreciate any feedback anyone can offer.

Cheers Colin
Colin,
you could probably put a tram on that slab, very thick and with heavy reo. You are almost doing the opposite by using Hebel for the supporting slab. I presume you are using the "Power Panel" which has 4mm steel reinforcing. Hebel is not particularly strong. I think you should consider cantilevering the supporting slab too, by placing the piers under the inner walls. a heavy load over a wide span with weak Hebel is courting problems IMO.
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  #36  
Old 12-18-2012, 05:25 PM
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Default Re: new build in werribee

Thanks David much appreciated. Re hebel I had the same concerns initially and havent taken this direction lightly. I have read cobblerdave thread and following camori build both used hebel. under their ovens. I have also spoken to hebel professionals and have been assured that with appropriate support under the panels all will be ok. I am using 150 mm wide blocks immediately under the oven position, with concealed lintels to support about 150 mm cantilevered hebel panel. The pad I built, its outer edges sit directly under the firebrick ring of the oven so the hebel blocks will be taking most of the weight.

My main concern for me is this damp course simply just sitting in the slab my small brain is wrestling with this the mere fact the Damp Course is not attached to the pad in any way with blocks on top. I'm scared the bloody thing will slip off. ;-) ANy brick layers out there that can put my punny mind at rest are appreciated :-)

Last edited by oasiscdm; 12-19-2012 at 01:39 AM.
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  #37  
Old 12-19-2012, 03:55 AM
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Default Re: new build in werribee

Gudday
Just to clear up any confusion....that's a hebel layer for insulation over a 100 mm slab of steel re-enforced slab on a base of core filled cement block. That's what I used
Hebel It's not at all structural ....if I was to build a house the roof would be supported by a frame and the hebel would be the veneer a highly insulating veneer perhaps but definitely not to hold the house up.
I have played with this stuff for years you can cut it carve it and make some really cool stuff with it . But to use it to support 200 odd bricks of a wfo oven I'd be careful. I'd consider perhaps adding at least a 25 mm sheet of compressed cement sheet with a central support colum.
Hey I'll be wrong if someone has a better idea but again hebels great .....but not as the only support.

Regards Dave
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  #38  
Old 12-19-2012, 04:20 AM
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Default Re: new build in werribee

Thanks Dave

I will give it some more consideration, based on your and davids feedback. I am sure I have seen a couple of builds on the forum that have used hebel for the oven base. Think I need to go find them. Thx again dave
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  #39  
Old 12-19-2012, 04:42 AM
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Default Re: new build in werribee

Hey Dave I just checked out camori build, he is using Hebel panel and blocks to support his oven. I can see what you mean by central column to support the panel. I was also going to incorporate angle line lintels to further support the panels. I couldn't really see in his pics if he supported his panel with other the central column.

Cheers Colin again thx am now thinking a little more about this.
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  #40  
Old 12-19-2012, 04:46 AM
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Default Re: new build in werribee

Also Dave thx for clearing up your build, my mistake, I was thinking of another but cannot remember who.
Cheers Colin
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