The new concrete won't adhere very well to the old and will probably crack.
(Here in AZ almost all houses are slab-on-grade. There is a saying, "There are
two types of concrete slabs, those that are cracked and those that are going to
crack.")
On 2/4/2017 8:26 AM, Paul Christensen wrote:
Thanks to all who replied by private e-mail. Many folks suggested using a
concrete cutter to trim the base edges square. Yesterday, I went back out
to the site and took some measurements of the leg bolts. There's ample
distance to overlay about 2 inches of concrete to the top surface and extend
the base square from 10 ft. to 11 ft. with a new outer frame. I come up
with about 1 cu. yd of concrete. Four pieces of 2"x6"x12 ft. boards should
do the trick. This is the concrete equivalent of capping a tooth. The
overlay is purely cosmetic and doesn't need to be part of the original pour
which meets spec. Anyone see any issues with this?
Paul, W9AC
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