Keystone Retaining Walls

TECHNICAL
The following is a collection of one page (PDF) summary documents on specific engineering topics for the design of the Keystone Retaining Wall System.
Backfill Movement / Soil Cracks Backfill Specifications Bearing Capacity Clay Soils - Atterberg Limits Compaction of Soils Connection Strength Connection Strength Philosophy Corners / Bends - Cracking & Gapping Coulomb / Rankine Earth Pressure Durability Freeze-Thaw Equivalent Fluid Pressure Global Stability Gravity Walls Guardrail Detail Hinge Height Quality Assurance Provisions Railing & Barrier Requirements Railing Design - Direct Mount - 20 plf	Railing Design - Direct Mount - 50 plf Railing Design - Offset Mount Reinforced Walls Seismic Design Settlement - Cracking / Gapping Single Wall - Slope Stability Ratios Soil Strength Soil Density - Standard vs. Modified Proctor Tall Walls - Alignment / Shimming Tiered Wall - Internal Analysis Tiered Wall - Slope Stability Ratios Typical Traffic Barrier Unit Drainage Fill Unit Drainage Fill Options Wall Embedment Water - Rapid Drawdown Analysis Water - Mannings Number

TECHNICAL
The following is a collection of construction details viewable in (PDF) format for a number of design applications. Contact your local Keystone representative for a hard copy of Keystone's Construction Manual.
	ENGLISH Details		SPANISH Details
•	Keystone Units	•	Unidades Keystone
•	Keystone Specifications	•	Instalación
•	Product Installation plus Q & A	•	Esquinas y Curvas
•	Applications with Corners & Curves plus Q & A	•	Escalones y Escaleras
•	Applications with Steps & Stairs plus Q & A	•	Aplicaciones en Terrazas
•	Applications with Terraces	•	Cerca y Barreras
•	Traffic Barriers, Guardrails, Fences, & Parapet	•	Remate el Muro
•	Capping and Coping Options	•	Opciones Creativas
•	Creative Options	•	Opciones de Illuminación
•	Fences using the Sleeve-It-System	•	Detalles Para Plantar Arboles
•	Incorporating Lighting Elements into the Wall Face	•	Reparación de los Muros
•	Planting Trees Behind the Walls	•	Agua y Drenaje
•	Wall Repair	•	Preguntas y Respuestas
•	Water and Drainage Issues plus Q & A
•	Miscellaneous Questions and Answers

TECHNICAL

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 web site.

•	Gravity Walls (walls without geogrid reinforcement)
•	Explanation of how to use the geogrid reinforced design charts
•	Keystone Standard Units with setback (pins in back pin holes)
•	Keystone Standard Units in vertical position (pins in front pin holes)
•	Keystone Compac Units with setback (pins in back pin holes)
•	Keystone Compac Units in vertical position (pins in front pin holes)
•	Keystone Century Wall Design Charts
•	Keystone Country Manor Design Charts
•	Tablas y Gráficas de Diseno en Español

TECHNICAL
Keystone has received approval from ICC Evaluation Service, Inc. (ICC-ES) that the Keystone Retaining Wall System complies with the provisions of the Uniform Building Code. This confirmation, as evidenced in ICC-ES evaluation report ES-2113, provides guidance to code officials faced with approving the use of the Keystone Retaining Wall System under this code. The evaluation report is available online at www.icc-es.org/Evaluation_Reports or click the image at right to download a copy of the .pdf file.