Design Charts

The following design charts and tables, viewable as Acrobat .pdf documents, provide a guideline for when wall reinforcement is required. Three cases showing different surcharge loads and soil types are provided for each.

You can download Acrobat Reader free of charge from the Adobe Website.

132k		Gravity Walls (walls without geogrid reinforcement)
116k		Explanation of how to use the geogrid reinforced design charts
40k		Keystone Standard Units with setback (pins in back pin holes)
36k		Keystone Standard Units in vertical position (pins in front pin holes)
44k		Keystone Compac Units with setback (pins in back pin holes)
40k		Keystone Compac Units in vertical position (pins in front pin holes)
1.1m		Keystone Century Wall Design Charts
300k		Keystone Country Manor Design Charts