out then use a cement grout.
The depth of the concrete mix should be about twice the variance in the
plane surface of the flat stone.
Replace at least 6 to 12 inches of top soils with well graded and
compacted gravel (class 5).
If you ever walked across compacted class 5 gravel its surface even and
hard as though it were a concrete slab. Recall that this gravel design
sets each size of rock in proportion to the required amount needed to
fill voids between the next larger rock. The mix usually includes some
sands and some moisture lubricant for a maximum sustainable compaction.
"sustainable"... I'm practicing a new and popular term.
It seems that the core purpose of all engineering is to make ideas and
shapes sustainable, we have always been the green that architects are
trying to achieve.
David Merrick, SE
you might be a friend on "facebook" or an associate in "Linkedin" but
you'll find most ideas at seaint@seaint.org.. thanks Dennis Wish
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