On 07/05/2021 17:51, Robin wrote:


a.Â*Â*Â* cut slab at back
b.Â*Â*Â* turn through 180 degrees
c.Â*Â*Â* drill the bit of slab under the step above and the broken end of
the slab to take stainless steel rod or screws to guard against tipping
d.Â*Â*Â* fill holes with resin (or car body filler) and relay slab
e.Â*Â*Â* fill hole where bit broke off (or point in the bit that broke off
if you have it)


Car body filler works well as a "glue". After some advice on this group
I experimented with fixing a broken concrete slab with car body filler

http://www.admac.myzen.co.uk/Glue_slab/

The last picture shows the slab clamped to the arm of a garden bench
with 4 house bricks on the over-hang being supported by the car body
filler fillet.

The strength of the bond was however reliant on the surface of the break
being sound concrete and with no flakiness at the joined edges.

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