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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Speaker, Cred
Title
Armtec (Drainage or
Precast)
Speaker, Cred
Title
Armtec (Drainage or
Precast)
Doug Lowry, P. Eng,
Sr. Business Development
Engineer
Armtec Drainage Solutions
EARTH RETENTION SOLUTIONSAN OVERVIEWWebinar - Dec 12, 2014
Ron Prychitko, P. Eng
Sr. Business Development
Engineer
Armtec Drainage Solutions
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
YOUR SPEAKERS
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Senior Business Development Engineer
Ontario
Armtec, Drainage [email protected]
Ron Prychitko, P.Eng
Senior Business Development Engineer
Western
Armtec, Drainage [email protected]
Doug Lowry, P.Eng
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
ARMTEC
Armtec is a leading global infrastructure
and construction materials company
• 43 locations in Canada
• Approximately 1,700 employees
• Exceptional Product Range for:
• Drainage Solutions
• Precast Concrete Solutions
(standard precast /engineered precast)
DRAINAGE
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
DRAINAGE SOLUTIONS
Corrugated HDPE
((BOSS) & Aluminized
Drainage pipe
Liner Plate for Relining Existing
Conduits
Bin-Type Retaining
Walls & Abutments
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
DRAINAGE SOLUTIONS
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DuroMaxx –
Steel Reinforced HDPE Pipe
Polymer Coated Corrugated Plate
Ultra-Flo – Storm Drain
Stormwater Treatment Systems
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
DRAINAGE SOLUTIONS
Truss Pedestrian Bridge,
Valleyview, AB
Multi-Plate - (SPCSP)
Bridge-Plate Wildlife Overpasses
Bridge-Plate Arch &
Wire Mesh Walls
Multi-Plate Arch &
MSE Walls BEBO Precast Arches
Bridge Plate Deep
Corrugated Crossings
PRECAST
ParkadesBridge Girders
Durisol Soundwalls
Architectural Panels
Buildings – Stadiums,
Arenas & Commercial
PRECAST ENGINEERED
Specialty Projects
Precast StepsVaults / Service
Boxes / Tanks
Residential Landscape
ProductsEarth Retention Walls
Barriers
Precast Box Culvert
PRECAST (regionally based)
Current Armtec Wall & Slope Systems
Bin-Type/ Crib Walls (Bin-wall)
’Durisol’ - Narrow Footprint
Steel Sheeting / Corrugated Face
Gravity or Cantilever
Segmental Block / Geogrid
Geocell / Geogrid
Welded Wire Face / Geogrid (stone/veg)
Bin-Wall / Geogrid
LOCK + LOAD
Modular Precast face MSE
Geotextile Wrapped (Temporary)
Steepened Slopes – Geocell / TRM faced
MSE - Mechanically Stabilized Earth
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
AGENDA – EARTH RETENTION
1. Introduction
2. Bin-Type (crib) & anchored walls
3. Narrow Footprint Walls (NFRWS)
4. Precast Face MSE walls
5. Permanent & Temporary MSE Wall options
6. Engineered Slopes (MSE)
7. Wrap-up & Questions
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN WALL – WHAT IS IT?
• live load surcharges (vehicular & rail)
• dead load surcharges (backslopes)
Armtec’s stability analysis is limited to:
FS against Sliding & Overturning
Maximum Anticipated Toe Pressures (foundation).
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN WALL – GETTING FAMILIAR
3048mm (10’)
Wall heights are increments of 16” (406mm) starting at 4’-4” (1320mm)
Front Face6 Standard bin depths (A,B,C,D,E,F)1.69 to 5.06m
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN-WALL APPLICATIONS
Bin-Wall Applications
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1.2.
3.
4.
Backfill - well-graded, free draining granular
BIN WALL – BACKFILLING STEPSG
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN-WALL APPLICATIONS
Loading Ramps (River Gold Mine, Ontario)
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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Additional Info Required
• Bridge Span, Road width
• Design Vehicle
• Bridge Dead Load
• Abutment height*
• Bin Layout
• Fill height above top of bin
BIN-WALL APPLICATIONS
Bridge Abutments
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN WALL APPLICATIONS
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Steel Protection Plate
Clear crushed aggregate or pea-stone
DOCKS / WHARFS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
STRUCTURE / CULVERT END TREATMENT - WINGWALLS
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BIN WALL APPLICATIONS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
SOLID WASTE TRANSFER STATIONS
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BIN WALL APPLICATIONS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
OTHER APPLICATIONS
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BIN WALL APPLICATIONS
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Outfalls
“Blast” wall
Steel Protection Plate
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
WOOD FACE CLADDING
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BIN WALL APPLICATIONS
Canmore AB Nordic Center
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
CORRUGATED FACE ANCHORED WALLS
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ANCHORED WALLS
Bridge-Plate
Sheeting M581
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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ANCHORED WALLS
Headwall anchored to structure
Wingwalls anchored to Deadman
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Please visit our Web site at armtec.com
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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DURISOL NARROW FOOTPRINT WALLS
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DURISOL NARROW FOOTPRINT RWS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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DURISOL NARROW FOOTPRINT WALLS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MSE PRECAST RETAINING WALL PANELS
REINFORCED EARTH
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
NORTH HWY CONNECTOR
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RED DEER, AB
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MSE WITH CAST-IN-PLACE FACE
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TWO CREEK, AB
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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WILD GOOSE CREEK, ON
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Doug Lowry, P.Eng.
To order your copy…….
• Contact [email protected]
• Go to www.blurb.ca search title/author
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MSE WALL & SLOPE SOLUTIONS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
RETAINING WALLS
Temporary or Permanent
• Cantilever
• Gravity
• Mechanically Stabilized Earth (MSE)
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MSE WALLS & SLOPES
Fascia with some form of Reinforcement
Reinforcement - Metallic or Geosynthetic
Geosynthetic - Uniaxial Geogrid
- High Strength Woven Geotextile
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
REINFORCED WALL ANALYSIS
External Stability
Sliding Movement
Sliding Resistance
Sliding Resistance
Sliding Overturning
Overturning Movement
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
REINFORCED WALL ANALYSIS
Bearing Capacity Settlement
Movement
External Stability
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
REINFORCED WALL ANALYSIS
External Stability
Connection Tension Pullout
Units Active Wedge Passive Zone
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
REINFORCED WALL ANALYSIS
External Stability
Overturning
Bending Bulging
Shear
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Earth Retention Solutions – an Overview
TEMPORARY MSE WALLS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
WALL CONSTRUCTION-WRAPPED FACE
1. Check level of base
2. Check all line, grade and curves
3. Place removable form at front of reinforced mass
4. Install first layer of geotextile over removable form
Removable form
Geotextile Reinforcement
Native Soil
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
1. Pull Geotextile tight, keep tension applied
until backfill is placed.
Compacted fill
Native Soil
Depression for geotextile wrap
Removable form
2. Place backfill in specified lifts and compact
to 95% Standard Proctor Dry Density.
CONSTRUCTION
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
1. Wrap geotextile back over compacted fill
2. Place & compact fill above upper wrap portion and level
Native Soil
Fill on top of geotextile
CONSTRUCTION
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
1. Place second removable form by repeating step 2.
(provide required batter with set back)
Native Soil
2. Place second layer of geotextile and reinforced
fill by repeating steps 3 through 4.
3. After completion of second lift, remove the first form.
CONSTRUCTION
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
CONSTRUCTION
1. Repeat steps 2 through 4 until wall is at required height
Native Soil
Finished Grade
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
High Performance
Woven Geotextile
TEMPORARY MSE WALLS
GEOTEXTILE WRAPPED
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
TEMPORARY MSE WALLS
WIRE MESH / GEOTEXTILE WALLS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Earth Retention Solutions – an Overview
PERMANENT MSE WALLSReinforcement and Fascia
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MSE WALL SYSTEMS
Welded Wire Face / Geogrid
Finished Grade
Reinforced
Soil Zone
FOUNDATION SOIL ZONE
Native Soil
Geosynthetic
Reinforcement
Welded Wire Fascia
Wire Mesh/Geogrid
Wire Mesh/Geogrid
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Geogrid
ReinforcementFinished Grade
Reinforced
Soil Zone
Foundation Soil Zone
Native SoilGeocell Fascia
Geocell / Geogrid
MSE WALLS
Geocell/Geogrid
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
LOCK + LOAD
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
BIN WALL / GEOGRID
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
TIE-BACK SYSTEMS
Tie-Back Systems
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
TIE-BACK SYSTEMS
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Earth Retention Solutions – an Overview
MSE ENGINEERED SLOPES
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
ENGINEERED SLOPES
-Un/Wrapped Reinforcement
-Turf Reinforcement Mat Facing (TRM)
- Geocell Facing
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
ENGINEERED SLOPES
(Reinforced) Slopes
(30 to 70 degrees)
Retaining Walls (>70 degrees)
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Slope Failure Mode
Reinforced Zone
Geogrid
Reinforcement
SurchargeCentre for Potential
Rotational Failure Plane
Failure
Plane
Geosynthetic
Reinforcement
Movement & Tension
Develop Along Failure Plane
TRM
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
ENGINEERED SLOPE WRAPPED FACE
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Geogrid Installation
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
Turf Reinforcement Mat Installation
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
GEOCELL FACED SLOPE
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
EARTH RETENTION SOLUTIONS
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Contact Your Local Rep: www.armtec.com/contact-us
Today’s Speakers:
Doug [email protected]
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
MORE WEBINARS COMING SOON!
www.armtec.com/webinars/
Stay Tuned for More Webinars!
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© 2014 Armtec Infrastructure Inc. • Confidential & Proprietary
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Earth Retention Solutions
QUESTIONS?