soil and also to prevent the crack in Granite steps in future.
Dipak Kumar Dash, Q.S
Bhubaneswar, India
On 6/29/11, David Merrick, Structural Engineer, Merrick Group
<mrkgp.se@gmail.com> wrote:
> For full bearing-distribute load, use grout or sand, if sand can wash
> 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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