The Stone Strong System
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Transcript of The Stone Strong System
The Innovative Precast Retaining Wall System
Bob LewisEngineering Services
Stone Strong Systems
Presenter:
October 2007
Retaining WallsPrecast Modular Block
Concept
Components
Design Theory
High Concept Solutions
Technical Support
Construction Details
The Concept of Stone Strong
Size/Mass
Scale
Versatility
Engineered
Precast
The Concept of Stone Strong
Size/Mass
8’
3’
3.67’
Patent No. 6,796,098
The Largest Retaining Wall Block available
on the market
to date!
The Concept of Stone Strong
Size/Mass
Scale
The Concept of Stone Strong
Size/Mass
Scale
Versatility
The Concept of Stone Strong
Size/Mass
Scale
Versatility
EngineeredLifting Loops
Recesses
Voids
Drainage
The Concept of Stone Strong
Size/mass
Scale
Versatility
Engineered
Precast
Systems Components
96” x 36” x 44” Weight: 6,000 lbs
24 SF Block
Patent No. 6,796,098
Systems Components
96” x 36” x 44” Weight: 5,400 lbs
24 SF Top Block
Systems Components
Mass Extender Block96”x36”x56” Weight: 10,000 lbs
Systems Components
6 SF Block48” x 18” x 44” Weight: 1,500 lbs
Systems Components
3 SF Block24” x 18” x 44” Weight: 800 lbs
6 SF Block 3 SF
End Unit 24 SF Block
24 SF Block24 SF Block 24 SF Block 24 SF Block
24 SF Block24 SF Block 24 SF Block
End Unit 6 SF Block6 SF Block
Systems Components
End/Corner Block48” x 18” x 24” Weight: 1,500 lbs
Systems Components
48” x 48” x 18” / 90º and 45º
Corner Blocks
Patent No. 7,073,304
Systems Components
Dual Face Block96” x 18” x 28” Weight: 3,520
Behind Stone StrongEngineering Manual
Sound Engineering
www.stonestrong.com/engineer
Design Theory
NCMA Design Manual for Segmental Retaining Walls
AASHTO Bridge Manual
Slopes/Surcharges
Embedment
Gravity Walls
Example Calculations
COULOMB ACTIVE EARTH PRESSURE COEFFICIENT
22
2
a
βcoscos
sinsin1coscos
cosK
Gravity Walls
Typical Gravity Wall Limits
22
2
a
βcoscos
sinsin1coscos
cosK
Mass Extender & Tail Extension
Gravity Walls
Mass Extender & Tail Extension
Gravity Walls
Spreadsheet Solutions
Gravity Walls
Spreadsheet Excel Document
Geogrid Reinforced Walls
Interaction Reports
Geogrid Reinforced Walls
Interaction Reports
SRWall Software
Geogrid Reinforced Walls
Interaction Reports
SRWall Software
Template
Construction Details
Detail Library Web Site CAD Detail Files Available
www.stonestrong.com/engineer
Construction Details
Detail Library
Corners / Radius 24SF
Construction Details
Detail Library
Corners / Radius 6SF
Construction Details
Detail Library
Corners / Radius
Top End / Steps
Construction Details
Detail Library
Corners / Radius
Top End / Steps
Base / Embedment
Construction Details
Detail Library
Corners / Radius
Top End / Steps
Base / Embedment Dual Face Block
Construction Details
Granual Unit FillFrictional interlock between units
Internal drainage
May Extend behind units for cut walls
Construction Details
Backfill Compaction!Proper compaction (and moisture control) is critical part
of retaining wall construction.
Construction Details
Typical Compaction RequirementsMin 95% of Standard Proctor (ASTM D698, AASHT0 T99)
2.70Zero Air Voids Gs =
Standard ProctorASTM D698
Modified ProctorASTM D1557
90
95
100
105
110
115
120
125
130
8 10 12 14 16 18 20 22 24 26
Moisture Content (%)
Dry
Den
sity
(p
cf)
Cohesive Soils, include moisture limits
Construction Details
Typical Compaction RequirementsNo reduced compaction requirement behind Face
Less Sensitive to Displacement
Able to Support Compaction Equipment
High Concept Solutions
Integrated Structures
High Concept Solutions
Integrated Structures
Bridge Abutments
High Concept Solutions
Integrated Structures
Bridge Abutments
Tiered Walls
High Concept Solutions
Integrated Structures
Bridge Abutments
Tiered Walls
Pipe Penetrations
High Concept Solutions
Integrated Structures
Bridge Abutments
Tiered Walls
Pipe Penetrations
Pond Borders
High Concept Solutions
Integrated Structures
Bridge Abutments
Tiered Walls
Pipe Penetrations
Pond Borders
Hybrid Applications
Poor design Poor design yields poor yields poor
performance, performance, regardless of regardless of
product!product!
Good Engineering+
Well Engineered Product_______________________
Results that STAND UP!
Stone Strong Systems
WebsiteEngineering Manual
Thiele GeotechDealer Network
www.stonestrong.com/engineer
Technical Support
Dealer Locations
Dealer Locations
The Innovative Precast Retaining Wall System
Bob LewisEngineering Services
Stone Strong Systems
Presenter:
October 2007