bookowski - Thanks for providing balance (that it is possible to do monolithically). I will however proceed to cast the slab first, since the extra work involved otherwise seems both unnecessary and impractical from an efficiency standpoint.
Interestingly, though a few contributors to this...
Thank you all so much for your contributions to this thread. It is wonderful to have a place to discuss such things with other curious minds.
I am an order of magnitude more confident that a 2-step process (slab then wall) should not impact the structural integrity of the final unit.
The above...
Yes the entire unit is reinforced and tied-in.
A393 mesh in the slab (10mm bar on 200mm centres).
16mm bars in the bottom of the thickened edge, also midway vertically and at the top of the up-stand. 4 No in total, like ribs all around the foundation.
12mm vertical bars on 400mm centres locking...
So in this case, would a vertical joint (wall 1st slab 2nd) offer any advantage over a horizontal joint (slab 1st wall 2nd)?
I am thinking the greater shear will be on the steel through the vertical joint since the soil retaining height is very small and the vertical ground heave forces should...
PhamEng, apologies for my incomplete explanation. Though water ingress should not occur if I were to introduce a joint, I am concerned that the stress handling capacity of the complete foundation will be reduced significantly by the two elements not being homogenized through the placement and...
Yes indeed.Head scratching and soul searching...
I have looked into gunite and shotcrete methods which are often used for swimming pool forming, but I understand there can be mix and dimensional inconsistencies which are way outside the acceptable tolerances of this project. It does seem that I...
No no, I think you've misunderstood the problem. I don't want an inverted bowl, I want a bowl. Casting it monolithically is the challenge.
But thanks for replying.
Greetings all,
I have searched tirelessly for a methodology for producing a shallow sunken foundation for a small single storey structure. Frustratingly I have uncovered nothing other than an apparent dearth of information on the subject.
The proposed is a 4m x 6m reinforced slab of 150mm...
