Changes

==Materials==

==Materials==

===Gravel===

===Gravel===

The type of medium sized aggregates recommended for gravel diaphragms are described in [[choker layer]]. In some contexts it may be desirable to apply a surface layer of more decorative aggregate, see [[stone]].

The type of medium sized aggregates recommended for gravel diaphragms are described in [[choker layer]]. In some contexts it may be desirable to apply a surface layer of more decorative [[stone]].

===[[Geotextiles]]===

===Geotextiles===

{{:Geotextiles}}

{{:Geotextiles}}