Earth Retention Solutions

Speaker, Cred

Armtec (Drainage or

Precast)

Speaker, Cred

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

YOUR SPEAKERS

Senior Business Development Engineer

Ontario

Armtec, Drainage SolutionsDoug.Lowry@armtec.com

Ron Prychitko, P.Eng

Senior Business Development Engineer

Western

Armtec, Drainage SolutionsRon.Prychitko@armtec.com

Doug Lowry, P.Eng

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

DRAINAGE SOLUTIONS

Corrugated HDPE

((BOSS) & Aluminized

Drainage pipe

Liner Plate for Relining Existing

Conduits

Bin-Type Retaining

Walls & Abutments

DRAINAGE SOLUTIONS

DuroMaxx –

Steel Reinforced HDPE Pipe

Polymer Coated Corrugated Plate

Ultra-Flo – Storm Drain

Stormwater Treatment Systems

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

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

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).

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

BIN-WALL APPLICATIONS

Bin-Wall Applications

Backfill - well-graded, free draining granular

BIN WALL – BACKFILLING STEPSG

Loading Ramps (River Gold Mine, Ontario)

Additional Info Required

• Bridge Span, Road width

• Design Vehicle

• Bridge Dead Load

• Abutment height*

• Bin Layout

• Fill height above top of bin

Bridge Abutments

BIN WALL APPLICATIONS

Steel Protection Plate

Clear crushed aggregate or pea-stone

DOCKS / WHARFS

STRUCTURE / CULVERT END TREATMENT - WINGWALLS

SOLID WASTE TRANSFER STATIONS

OTHER APPLICATIONS

Outfalls

“Blast” wall

Steel Protection Plate

WOOD FACE CLADDING

Canmore AB Nordic Center

CORRUGATED FACE ANCHORED WALLS

ANCHORED WALLS

Bridge-Plate

Sheeting M581

ANCHORED WALLS

Headwall anchored to structure

Wingwalls anchored to Deadman

Please visit our Web site at armtec.com

DURISOL NARROW FOOTPRINT WALLS

DURISOL NARROW FOOTPRINT RWS

DURISOL NARROW FOOTPRINT WALLS

MSE PRECAST RETAINING WALL PANELS

REINFORCED EARTH

NORTH HWY CONNECTOR

RED DEER, AB

MSE WITH CAST-IN-PLACE FACE

TWO CREEK, AB

WILD GOOSE CREEK, ON

Doug Lowry, P.Eng.

To order your copy…….

• Contact Doug.Lowry@armtec.com

• Go to www.blurb.ca search title/author

MSE WALL & SLOPE SOLUTIONS

RETAINING WALLS

Temporary or Permanent

• Cantilever

• Gravity

• Mechanically Stabilized Earth (MSE)

MSE WALLS & SLOPES

Fascia with some form of Reinforcement

Reinforcement - Metallic or Geosynthetic

Geosynthetic - Uniaxial Geogrid

- High Strength Woven Geotextile

REINFORCED WALL ANALYSIS

External Stability

Sliding Movement

Sliding Resistance

Sliding Overturning

Overturning Movement

Bearing Capacity Settlement

Movement

External Stability

Connection Tension Pullout

Units Active Wedge Passive Zone

External Stability

Overturning

Bending Bulging

Earth Retention Solutions – an Overview

TEMPORARY MSE WALLS

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

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

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

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

1. Repeat steps 2 through 4 until wall is at required height

Native Soil

Finished Grade

High Performance

Woven Geotextile

TEMPORARY MSE WALLS

GEOTEXTILE WRAPPED

TEMPORARY MSE WALLS

WIRE MESH / GEOTEXTILE WALLS

PERMANENT MSE WALLSReinforcement and Fascia

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

Geogrid

ReinforcementFinished Grade

Reinforced

Soil Zone

Foundation Soil Zone

Native SoilGeocell Fascia

Geocell / Geogrid

MSE WALLS

Geocell/Geogrid

LOCK + LOAD

BIN WALL / GEOGRID

TIE-BACK SYSTEMS

Tie-Back Systems

TIE-BACK SYSTEMS

MSE ENGINEERED SLOPES

ENGINEERED SLOPES

-Un/Wrapped Reinforcement

-Turf Reinforcement Mat Facing (TRM)

- Geocell Facing

ENGINEERED SLOPES

(Reinforced) Slopes

(30 to 70 degrees)

Retaining Walls (>70 degrees)

Slope Failure Mode

Reinforced Zone

Geogrid

Reinforcement

SurchargeCentre for Potential

Rotational Failure Plane

Failure

Geosynthetic

Reinforcement

Movement & Tension

Develop Along Failure Plane

ENGINEERED SLOPE WRAPPED FACE

Geogrid Installation

Turf Reinforcement Mat Installation

GEOCELL FACED SLOPE

EARTH RETENTION SOLUTIONS

Contact Your Local Rep: www.armtec.com/contact-us

Today’s Speakers:

Doug LowryDoug.Lowry@armtec.com

Ron PrychitkoRon.Prychitko@armtec.com

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Earth Retention Solutions

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