Found Collection

> Somewhere in my library of old engineering information (Civil Eng. ?) there
> is a description of "soil cement".  I remember little of the details, but it
> seems that the gist of the article, was about making roads from cement and
> soil.  The process was to remove an appropriate depth of soil - don't ask me
> what is appropriate - and mix the soil 50/50 with cement and reapply to the
> same area.  Ergo, a roadway, above grade, and supposedly strong enough for
> the traffic of the day.

> Bob Swinney

> Somewhere in my library of old engineering information (Civil Eng. ?) there
> is a description of "soil cement".  I remember little of the details, but it
> seems that the gist of the article, was about making roads from cement and
> soil.  The process was to remove an appropriate depth of soil - don't ask me
> what is appropriate - and mix the soil 50/50 with cement and reapply to the
> same area.  Ergo, a roadway, above grade, and supposedly strong enough for
> the traffic of the day.

> Bob Swinney

> This approach is also used in rammed earth structures.  Suitable for
> arid areas, or at least dry areas provided the walls are protected from
> rain by large overhangs.  There was an article about the Park Service
> using this for walkways in some areas in some magazine (Fine
> Homebuilding comes to mind) with good results.

>> Somewhere in my library of old engineering information (Civil Eng. ?)
>> there
>> is a description of "soil cement".  I remember little of the details,
>> but it
>> seems that the gist of the article, was about making roads from cement
>> and
>> soil.  The process was to remove an appropriate depth of soil - don't
>> ask me
>> what is appropriate - and mix the soil 50/50 with cement and reapply
>> to the
>> same area.  Ergo, a roadway, above grade, and supposedly strong enough
>> for
>> the traffic of the day.

>> Bob Swinney

> > This approach is also used in rammed earth structures.  Suitable for
> > arid areas, or at least dry areas provided the walls are protected from
> > rain by large overhangs.  There was an article about the Park Service
> > using this for walkways in some areas in some magazine (Fine
> > Homebuilding comes to mind) with good results.

> Also for backfilling trenches that cut across streets.
> Keeps the dirt in the trench from settling and causing
> a depression later.

> >> Somewhere in my library of old engineering information (Civil Eng. ?)
> >> there
> >> is a description of "soil cement".  I remember little of the details,
> >> but it
> >> seems that the gist of the article, was about making roads from cement
> >> and
> >> soil.  The process was to remove an appropriate depth of soil - don't
> >> ask me
> >> what is appropriate - and mix the soil 50/50 with cement and reapply
> >> to the
> >> same area.  Ergo, a roadway, above grade, and supposedly strong enough
> >> for
> >> the traffic of the day.

> >> Bob Swinney

> Hmmm??? You always want to back fill and TAMP trenches so they
> don't settle.
>> Also for backfilling trenches that cut across streets.
>> Keeps the dirt in the trench from settling and causing
>> a depression later.