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Basf - Ape System
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5/24/2018 Basf - Ape System
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Advanced Polymer EncapsulationAdvanced Polymer EncapsulationAdvanced Polymer EncapsulationAdvanced Polymer EncapsulationProviding Solutions to ChallengingProviding Solutions to ChallengingProviding Solutions to ChallengingProviding Solutions to Challenging
Marine Repair ProjectsMarine Repair ProjectsMarine Repair ProjectsMarine Repair Projects
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2
1 I Repairing Marine Structures
2 I Advanced Pile Encapsulation
3 I Case Studies
FRP Protection SystemsFRP Protection SystemsFRP Protection SystemsFRP Protection Systems
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LPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi Arabia
TrestleTrestleTrestleTrestle
constructed inconstructed inconstructed inconstructed in1980198019801980
Precast concretePrecast concretePrecast concretePrecast concrete
cylinder pilescylinder pilescylinder pilescylinder piles
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1
LPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi Arabia
RoutineRoutineRoutineRoutine
inspection ininspection ininspection ininspection in1983 (3 years1983 (3 years1983 (3 years1983 (3 years
afterafterafterafter
construction)construction)construction)construction)
revealed severerevealed severerevealed severerevealed severe
marine borermarine borermarine borermarine borer
attackattackattackattack
616 piles616 piles616 piles616 piles
affectedaffectedaffectedaffected
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LPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi Arabia
The owner required that the repair methodThe owner required that the repair methodThe owner required that the repair methodThe owner required that the repair method
Would eradicate the existing borersWould eradicate the existing borersWould eradicate the existing borersWould eradicate the existing borersWould repair the damage done by the borersWould repair the damage done by the borersWould repair the damage done by the borersWould repair the damage done by the borers
Would not be susceptible to future borer attackWould not be susceptible to future borer attackWould not be susceptible to future borer attackWould not be susceptible to future borer attack
Would stay in place and continue to provideWould stay in place and continue to provideWould stay in place and continue to provideWould stay in place and continue to provide
protection for 20+ years without any maintenanceprotection for 20+ years without any maintenanceprotection for 20+ years without any maintenanceprotection for 20+ years without any maintenance
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Repairing Marine StructuresRepairing Marine StructuresRepairing Marine StructuresRepairing Marine Structures
Marine StructuresMarine StructuresMarine StructuresMarine Structures
Submerged Piles
Submerged Piers
Seawalls
Dams / raceways
Offshore Platform Supports
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The Need for Repair and ProtectionThe Need for Repair and ProtectionThe Need for Repair and ProtectionThe Need for Repair and Protection
Marine EnvironmentMarine EnvironmentMarine EnvironmentMarine Environment
Highly CorrosiveEnvironment
Susceptible to Rot
Attack from Marine
Organisms
Damage from Scour and
Abrasion
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Repairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine Structures
Repair ZonesRepair ZonesRepair ZonesRepair Zones
Atmospheric Zone
Splash Zone
Submerged Zone
Atm
osphericZone
SplashZone
SubmergedZo
ne
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Repairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine Structures
Splash ZoneSplash ZoneSplash ZoneSplash Zone
Wetting & DryingCycles
Available Oxygen
Heavy Wear &
AbrasionSplashZone
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Repairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine Structures
Repair ChallengesRepair ChallengesRepair ChallengesRepair Challenges
Durability of Materials for Repair / Protection
Adequate Performance of Materials for Repair /
Protection
Proper Placement of Materials for Repair / Protection
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DurabilityDurabilityDurabilityDurability
Polyethylene wrapsPolyethylene wrapsPolyethylene wrapsPolyethylene wraps
Applied with mastic
Sometimes with corrosion
inhibitors
Sometimes with mechanical
fasteners
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DurabilityDurabilityDurabilityDurability
Repair system must beRepair system must beRepair system must beRepair system must be
robust enough torobust enough torobust enough torobust enough towithstand wear andwithstand wear andwithstand wear andwithstand wear and
abrasion in the splashabrasion in the splashabrasion in the splashabrasion in the splash
zonezonezonezone
This polyethylene wrapis less than 1-year old!
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DurabilityDurabilityDurabilityDurability
Repair mustRepair mustRepair mustRepair must
maintain integritymaintain integritymaintain integritymaintain integrityover timeover timeover timeover time
Concrete shrinks
and cracks
Nylon bag wearsaway
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DurabilityDurabilityDurabilityDurability
Repair mustRepair mustRepair mustRepair must
maintain integritymaintain integritymaintain integritymaintain integrityover timeover timeover timeover time
Eventually
concrete debonds
and scours away
Putting the pile
back to its
original
condition
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PerformancePerformancePerformancePerformance
Fiberglass jacketsFiberglass jacketsFiberglass jacketsFiberglass jackets
filled with groutfilled with groutfilled with groutfilled with grout Fiberglass
jacket
Cementicious
grout
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PerformancePerformancePerformancePerformance
Repair system mustRepair system mustRepair system mustRepair system must
possess adequatepossess adequatepossess adequatepossess adequatebondbondbondbond
Cementicious
grouts do not
bond well to the
fiberglass forms
Also do not bond
well to the pile
Jackets slip off
of the grout
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PerformancePerformancePerformancePerformance
Repair system mustRepair system mustRepair system mustRepair system must
possess adequatepossess adequatepossess adequatepossess adequatebondbondbondbond
Or slide off of
the pile
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PerformancePerformancePerformancePerformance
Fiberglass jacketsFiberglass jacketsFiberglass jacketsFiberglass jackets
filled with epoxyfilled with epoxyfilled with epoxyfilled with epoxy Neat epoxy has a
higher
coefficient of
thermal
expansion thanpile and the
fiberglass
jacket
Expansion causesjacket to
rupture
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PerformancePerformancePerformancePerformance
Repair materialRepair materialRepair materialRepair material
must remain inmust remain inmust remain inmust remain inequilibrium withequilibrium withequilibrium withequilibrium with
substratesubstratesubstratesubstrate
Or split at the
seams
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PerformancePerformancePerformancePerformance
Coefficient of ThermalCoefficient of ThermalCoefficient of ThermalCoefficient of Thermal
Expansion (10Expansion (10Expansion (10Expansion (10----6666 //// C)C)C)C)
0
5
10
15
20
25
30
35
40
Neat Epoxy Filled Epoxy Concrete Steel
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PlacementPlacementPlacementPlacement
Fiberglass jacketFiberglass jacketFiberglass jacketFiberglass jacket
with epoxy groutwith epoxy groutwith epoxy groutwith epoxy groutpoured from thepoured from thepoured from thepoured from the
toptoptoptop downdowndowndown
Epoxy grout
better matches
the CTE
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PlacementPlacementPlacementPlacement
Material must beMaterial must beMaterial must beMaterial must be
able to be placedable to be placedable to be placedable to be placedunderwater withoutunderwater withoutunderwater withoutunderwater without
effecting theeffecting theeffecting theeffecting the
integrity of theintegrity of theintegrity of theintegrity of the
repair materialrepair materialrepair materialrepair material
Placement from
the top down
leads to
segregation of
the material
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PlacementPlacementPlacementPlacement
Material must beMaterial must beMaterial must beMaterial must be
able to be placedable to be placedable to be placedable to be placedunderwater withoutunderwater withoutunderwater withoutunderwater without
effecting theeffecting theeffecting theeffecting the
integrity of theintegrity of theintegrity of theintegrity of the
repair materialrepair materialrepair materialrepair material
Large voids form
and cannot be
seen behind the
fiberglass form
The formultimately
debonds
revealing the
voids
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Repairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine StructuresRepairs to Marine Structures
Repair ChallengesRepair ChallengesRepair ChallengesRepair Challenges
Durability of Materials for Repair / Protection
Adequate Performance of Materials for Repair /
Protection
Proper Placement of Materials for Repair / Protection
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1 I Repairing Marine Structures
2222 IIII Advanced Polymer EncapsulationAdvanced Polymer EncapsulationAdvanced Polymer EncapsulationAdvanced Polymer Encapsulation
3 I Case Studies
FRP Protection SystemsFRP Protection SystemsFRP Protection SystemsFRP Protection Systems
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 1Step 1Step 1Step 1
Surface preparation
Remove marine growth
Clean rust and scale
Profile substrate
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 1Step 1Step 1Step 1
Sandblasting
Pneumatic Rotary Grinder
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 2Step 2Step 2Step 2
Fiberglass JacketsPlaced Around
Structure
Leaving 3/8 to
1/2 Annulus between
Jacket and Structure
Seams are sealed with
epoxy
Translucent
Fiberglass
Jackets
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Purpose Designed FRP JacketsPurpose Designed FRP JacketsPurpose Designed FRP JacketsPurpose Designed FRP Jackets
StepStepStepStep 2222
Appropriately sized FRPJackets Delivered to Site
Polymer Stand-offs
Seam adhesive applied on
deck
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Purpose Designed FRP JacketsPurpose Designed FRP JacketsPurpose Designed FRP JacketsPurpose Designed FRP Jackets
Step 2Step 2Step 2Step 2
Jackets set in placearound pile
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 3Step 3Step 3Step 3
Seams are riveted inplace
Temporary bracing is
installed
Bottom of Jacket issealed w/ epoxy coated
backer rod
Temporary Bracing
Epoxy Seal
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APE Purpose Designed FRP JacketsAPE Purpose Designed FRP JacketsAPE Purpose Designed FRP JacketsAPE Purpose Designed FRP Jackets
Step 3Step 3Step 3Step 3
Temporary bracing installed
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
A B
Step 4Step 4Step 4Step 4
Each component ofEach component ofEach component ofEach component ofa twoa twoa twoa two----componentcomponentcomponentcomponent
marine grademarine grademarine grademarine grade
epoxy is mixedepoxy is mixedepoxy is mixedepoxy is mixed
with sandwith sandwith sandwith sand
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Epoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly Placed
Step 4Step 4Step 4Step 4
Plural component groutplant
Part A & Part B mixed
with sand in each
hopper
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 5Step 5Step 5Step 5
Grout plant isattached to injection
port in fiberglass
jacket
Dual-umbilical hose
w/ static mixer at
injection site
A B
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Epoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly Placed
Step 5Step 5Step 5Step 5
Downstream mixer
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Epoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly Placed
Step 5Step 5Step 5Step 5
Fluid sand-filled epoxygrout is dispensed out of
the mixer
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Step 6Step 6Step 6Step 6
Epoxy grout is pumpedinto annulus
Water in the annulus
is displaced and
expunged out of the
top of the jacket
A B
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Epoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly PlacedEpoxy Grout Infill Properly Placed
Step 6Step 6Step 6Step 6
Water is expungedWater is expungedWater is expungedWater is expungedout of the top ofout of the top ofout of the top ofout of the top of
the jacketthe jacketthe jacketthe jacket
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
StepStepStepStep 7777
Top of jacket isTop of jacket isTop of jacket isTop of jacket issealed with epoxysealed with epoxysealed with epoxysealed with epoxy
Bracing isBracing isBracing isBracing is
removedremovedremovedremoved
Seal top of jacket
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The APE ProcessThe APE ProcessThe APE ProcessThe APE Process
Encapsulation isEncapsulation isEncapsulation isEncapsulation is
complete!complete!complete!complete!
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Complete EncapsulationComplete EncapsulationComplete EncapsulationComplete Encapsulation
FRP JacketFRP JacketFRP JacketFRP Jacket
Epoxy Grout InfillEpoxy Grout InfillEpoxy Grout InfillEpoxy Grout InfillComplete CoverageComplete CoverageComplete CoverageComplete Coverage
of Groutof Groutof Groutof Grout
Well Bonded to theWell Bonded to theWell Bonded to theWell Bonded to the
PilePilePilePile
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Complete EncapsulationComplete EncapsulationComplete EncapsulationComplete Encapsulation
Epoxy Grout isEpoxy Grout isEpoxy Grout isEpoxy Grout is
pumped underpumped underpumped underpumped under
pressurepressurepressurepressure
Grout penetratesGrout penetratesGrout penetratesGrout penetrates
into cracks andinto cracks andinto cracks andinto cracks and
voids in thevoids in thevoids in thevoids in the
substratesubstratesubstratesubstrate
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1 I Repairing Marine Structures
2 I Advanced Polymer Encapsulation
3 I3 I3 I3 I Case StudiesCase StudiesCase StudiesCase Studies
FRP Protection SystemsFRP Protection SystemsFRP Protection SystemsFRP Protection Systems
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Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Pile EncapsulationPile EncapsulationPile EncapsulationPile Encapsulation
Started in 1988 still ongoing
26 mile long bridge
54 diameter
concrete cylinderpiles
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Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Pile EncapsulationPile EncapsulationPile EncapsulationPile Encapsulation
Encapsulations soonafter completion in
1989
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Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Pile EncapsulationPile EncapsulationPile EncapsulationPile Encapsulation
Encapsulations in2002
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Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Coring 13Coring 13Coring 13Coring 13----year oldyear oldyear oldyear old
encapsulationsencapsulationsencapsulationsencapsulations
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Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Core sampleCore sampleCore sampleCore sample
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Bond testing 13Bond testing 13Bond testing 13Bond testing 13----
year oldyear oldyear oldyear old
encapsulationsencapsulationsencapsulationsencapsulations
Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
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Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,
VirginiaVirginiaVirginiaVirginia
1993199319931993
RC Piers ShowingRC Piers ShowingRC Piers ShowingRC Piers Showing
Corrosion andCorrosion andCorrosion andCorrosion and
SpallingSpallingSpallingSpalling
Encapsulations allEncapsulations allEncapsulations allEncapsulations all
Above WaterAbove WaterAbove WaterAbove Water
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Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,
VirginiaVirginiaVirginiaVirginia
1993199319931993
RC Piers ShowingRC Piers ShowingRC Piers ShowingRC Piers Showing
Corrosion andCorrosion andCorrosion andCorrosion and
SpallingSpallingSpallingSpalling
Encapsulations allEncapsulations allEncapsulations allEncapsulations all
Above WaterAbove WaterAbove WaterAbove Water
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Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,
VirginiaVirginiaVirginiaVirginia
Jackets placedJackets placedJackets placedJackets placed
over spalled areasover spalled areasover spalled areasover spalled areas
No patching wasNo patching wasNo patching wasNo patching was
donedonedonedone
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Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,Rappahannock River Bridge, Tappahannock,
VirginiaVirginiaVirginiaVirginia
CompletedCompletedCompletedCompleted
EncapsulationEncapsulationEncapsulationEncapsulation
BG&E F ili B l i M l dBG&E F ili B l i M l dBG&E F ili B l i M l dBG&E F ili B l i M l d
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BG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, Maryland
Badly deterioratedBadly deterioratedBadly deterioratedBadly deteriorated
HHHH----PilesPilesPilesPiles
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BG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, Maryland
Encapsulate 44Encapsulate 44Encapsulate 44Encapsulate 44
H PilesH PilesH PilesH Piles
Completed in 1993Completed in 1993Completed in 1993Completed in 1993
BG&E F ilit B lti M l dBG&E F ilit B lti M l dBG&E F ilit B lti M l dBG&E F ilit B lti M l d
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BG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, Maryland
Corroded steelCorroded steelCorroded steelCorroded steel
section replacedsection replacedsection replacedsection replaced
with newwith newwith newwith newstructural steelstructural steelstructural steelstructural steel
Steel channelsSteel channelsSteel channelsSteel channels
bolted and splicedbolted and splicedbolted and splicedbolted and spliced
onto existingonto existingonto existingonto existingpilespilespilespiles
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Jackets sized toJackets sized toJackets sized toJackets sized to
HHHH----Pile ProfilePile ProfilePile ProfilePile Profile
BG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, Maryland
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BG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, MarylandBG&E Facility, Baltimore, Maryland
Encapsulations inEncapsulations inEncapsulations inEncapsulations in
placeplaceplaceplace
Warren Road BridgeWarren Road BridgeWarren Road BridgeWarren Road Bridge
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Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,
Baltimore, MarylandBaltimore, MarylandBaltimore, MarylandBaltimore, Maryland
Deteriorated piersDeteriorated piersDeteriorated piersDeteriorated piers
Large concrete pier
Warren Road BridgeWarren Road BridgeWarren Road BridgeWarren Road Bridge
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Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,
Baltimore, MarylandBaltimore, MarylandBaltimore, MarylandBaltimore, Maryland
Pier Encapsulation:Pier Encapsulation:Pier Encapsulation:Pier Encapsulation:
Large concrete pier Jacket Fabrication
Warren Road BridgeWarren Road BridgeWarren Road BridgeWarren Road Bridge
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646464
Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,Warren Road Bridge,
Baltimore, MarylandBaltimore, MarylandBaltimore, MarylandBaltimore, Maryland
Pier Encapsulation:Pier Encapsulation:Pier Encapsulation:Pier Encapsulation:
Large concrete pier
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13131313----year oldyear oldyear oldyear old
encapsulatioencapsulatioencapsulatioencapsulatio
nsnsnsns
Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,Lake Pontchartrain Causeway,
New Orleans, LouisianaNew Orleans, LouisianaNew Orleans, LouisianaNew Orleans, Louisiana
Des Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric Dam
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Des Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric Dam
Deep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, Canada
Tailrace StructureTailrace StructureTailrace StructureTailrace Structure
Sits on the Ottawa River
between Ontario and Quebec
200-km Upstream from
Ottawa, ON
8 power generation units
ChallengesChallengesChallengesChallenges
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gChallengesChallengesg
Tailrace StructureTailrace StructureTailrace StructureTailrace Structure
Structure built in 1940s
Damage to tailrace from
scour and abrasion
ChallengesChallengesChallengesChallenges
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gggg
Damage to PiersDamage to PiersDamage to PiersDamage to Piers
Loss of section
12 to 18 of section
loss in some instances
Reinforcing steel
exposed
ChallengesChallengesChallengesChallenges
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gggg
Repair ProcedureRepair ProcedureRepair ProcedureRepair Procedure
Restore loss of section
Protect against future
abrasion damage
Protect the downstream
ecosystem
Minimize dam shutdown
time to less than 10-
days
ConceptConceptConceptConcept
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Epoxy Grout
Pumped In
Contaminated Water
Vacuumed Out
Fiberglass Jacket
Encapsulation Complete
ImplementationImplementationImplementationImplementation
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FRP PanelsFRP PanelsFRP PanelsFRP Panels
Face of peirs
encapsulated using FRP
panels
Thicker than usual
panels (1/4) were
used due to severity ofscour and abrasion
Panels hoisted into
place
ImplementationImplementationImplementationImplementation
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Panels InstalledPanels InstalledPanels InstalledPanels Installed
Panels are anchored
into the face of the
wall at appx 12o.c.
EW
Stiffeners are placed
to resist groutingpressure
ImplementationImplementationImplementationImplementation
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Grouting OperationGrouting OperationGrouting OperationGrouting Operation
Grout pumped into
annular space
Expunged water and
excess grout reclaimed
by vacuum pumps
installed on upperports
Contaminated water
disposed of separately
to minimize
environmental impact
Des Joachims Hydroelectic DamDes Joachims Hydroelectic DamDes Joachims Hydroelectic DamDes Joachims Hydroelectic Dam
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Deep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, Canada
Encapsulation in PlaceEncapsulation in PlaceEncapsulation in PlaceEncapsulation in Place
Completed without
dewatering
Only 7-days of shutdown
time for the generators
TestingTestingTestingTesting
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Core SamplesCore SamplesCore SamplesCore Samples
Excellent bond to
backwall
Good grout
consolidation
No cracking in grout
from exotherm
ConclusionConclusionConclusionConclusion
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BeforeBeforeBeforeBefore
ConclusionConclusionConclusionConclusion
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777777
and Afterand Afterand Afterand After
Des Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric DamDes Joachims Hydroelectric Dam
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Deep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, CanadaDeep River, Ontario, Canada
and In Serviceand In Serviceand In Serviceand In Service
Point Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, Australia
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Encapusulate 41Encapusulate 41Encapusulate 41Encapusulate 41
braced piersbraced piersbraced piersbraced piers
Completed in 1997Completed in 1997Completed in 1997Completed in 1997
Point Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, Australia
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808080
Jackets are fieldJackets are fieldJackets are fieldJackets are field
cut to fit atcut to fit atcut to fit atcut to fit at
connectionsconnectionsconnectionsconnections
Point Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, Australia
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818181
Jackets are fieldJackets are fieldJackets are fieldJackets are field
cut to fit atcut to fit atcut to fit atcut to fit at
connectionsconnectionsconnectionsconnections
Point Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, Australia
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Joints are sealedJoints are sealedJoints are sealedJoints are sealed
with epoxywith epoxywith epoxywith epoxy
Grout is injectedGrout is injectedGrout is injectedGrout is injectedinto annulusinto annulusinto annulusinto annulus
Point Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, AustraliaPoint Murat Pier, Exmouth, Australia
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Encapsulation inEncapsulation inEncapsulation inEncapsulation in
placeplaceplaceplace
LPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi Arabia
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848484
The 616 pilesThe 616 pilesThe 616 pilesThe 616 piles
were encapsulatedwere encapsulatedwere encapsulatedwere encapsulated
using theusing theusing theusing theadvanced pileadvanced pileadvanced pileadvanced pile
encapsulationencapsulationencapsulationencapsulation
technique in 1984technique in 1984technique in 1984technique in 1984
LPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi ArabiaLPG Trestle, JuAymah, Saudi Arabia
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858585
Over 20 yearsOver 20 yearsOver 20 yearsOver 20 years
laterlaterlaterlaterThe repair andThe repair andThe repair andThe repair and
protection viaprotection viaprotection viaprotection via
Advanced PileAdvanced PileAdvanced PileAdvanced Pile
EncapsulationEncapsulationEncapsulationEncapsulationremains inremains inremains inremains in
place andplace andplace andplace and
continues tocontinues tocontinues tocontinues to
providedprovidedprovidedprovided
protectionprotectionprotectionprotectionwithout anywithout anywithout anywithout any
maintenancemaintenancemaintenancemaintenance
FRP Strengthening SystemsFRP Strengthening SystemsFRP Strengthening SystemsFRP Strengthening Systems
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86
Thank You!Thank You!Thank You!Thank You!