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Monday,OCTOBER17,2016– Germantown,MD
AMMWorkshop
Self-ConsolidatingConcreteforSCModularStructures
Monday, OCTOBER17,2016– Germantown, MD
RussellGentry(PI)KimberlyKurtis(Co-PI)LarryKahn(Co-PI)SchoolofCivilandEnvironmentalEngineering(CEE)– GeorgiaInstituteofTechnology
GiovanniLoreto(Researcher/Presenter)CollegeofArchitectureandConstructionManagement– KennesawStateUniversity(Atlanta,GA)
Bojan Petrovic (Co-PI)NuclearandRadiologicalEngineering)– GeorgiaInstituteofTechnology
Jurie vanWyk (Industrypartner)BerndLaskewitz (Industrypartner)WestinghouseElectric
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
2.Task1– DevelopmentofSelf-RougheningConcrete(SRC)MixDesign
3.Task2– AssessmentofColdJointShearFrictionCapacity
1.Intro
6.ConclusionsandOutlooks
4.Task3– AssessmentofShearandFlexuralPerformances
5.Task4– ValidationthroughFull-scaleTestandModeling
Monday,OCTOBER17,2016– Germantown,MD
AMMWorkshop
Objectives and outcomes
- Developmentofaself-consolidatingconcretemixturessothatconcreteplacementcanbemadeintosteelplatecomposite(SC)modularstructureswithouttheneedforcontinuousconcreteplacement.
- SCCmixturestoensuresufficientshearcapacityacrosscold- joints(self-roughening),whileminimizingshrinkageandtemperatureincreaseduringcuringtoenhanceconcretebondingwiththesteelplates.
- SCCmixturesfeaturingaself-rougheningcapabilitytoproduceadequateshearfrictionbetweencoldjointsandtoproducedraftprovisionsaddressingshear-friction,forconsiderationintheAISCN690-12AppendixN9codeusedforthedesignofSCmodularstructures.
Task1:DevelopmentofSCCwithShear-FrictionCapacityforMassPlacement
Task2:AssessmentofColdJointShear-FrictionCapacityTask1:DevelopmentofSCCwithShear-FrictionCapacityforMassPlacement
Task3:AssessmentofShearandFlexuralPerformanceTask4:ValidationthroughFull-ScaleTestingandModelingTask5:DraftCodeRequirementforShearFrictionDesignofColdJoints
1.Intro
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
1.Intro
- Next10years40%ofNPPwillapproachtheir40ysofservice- AveragetimeforconstructionforexistingNPPs:9.3years
- Longesttimeforconstruction:23years
Problem statement
Someconsideration
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
1.IntroLooking at Containment Buildings
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
1.Intro- Inthirdgenerationmodular(steelcomposite)constructionofcontainmentstructures,concreteisplacedbetweentwosteelplates,tied together
Looking at Confinement Buildings
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
1.Intro
- Toavoidcoldjoints,requirescontinuousconcreteplacementà 1200trucks!
- Inthirdgenerationmodular(steelcomposite)constructionofcontainmentstructures,concreteisplacedbetweentwosteelplates,tied together
Facts
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
1.Intro
Researchneed(DOE-NEET)
Problem statement
- Next10years40%ofNPPwillapproachtheir40ysofservice- AveragetimeforconstructionforexistingNPPs:9.3years
- Longesttimeforconstruction:23years
(1)Assemblyandmaterialinnovationtoenhancemodularbuildingtechniquessuchasadvancesinhighstrengthconcreteandrebar,inspectionequipment,andpre-assembled
rebarsystems;and
(2)Advancesinmodularconstructiontoincludeimproveddesigncodes,improvedmethodsfortransportanddeliveryandadvancementsinintegratedprefabrication.
Someconsideration
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Objectives
- Developmentofaself-consolidatingconcretemixturessothatconcreteplacementcanbemadeintosteelplatecomposite(SC)modularstructureswithouttheneedforcontinuousconcreteplacement(coldjoint).
1.Intro
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Objectives
- Developmentofaself-consolidatingconcretemixturessothatconcreteplacementcanbemadeintosteelplatecomposite(SC)modularstructureswithouttheneedforcontinuousconcreteplacement(coldjoint).
1.Intro
- SCCmixturestoensuresufficientshearcapacityacrosscold- joints(self-roughening),whileminimizingshrinkageandtemperatureincreaseduringcuringtoenhanceconcretebondingwiththesteelplates.
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Objectives
- Developmentofaself-consolidatingconcretemixturessothatconcreteplacementcanbemadeintosteelplatecomposite(SC)modularstructureswithouttheneedforcontinuousconcreteplacement(coldjoint).
1.Intro
- SCCmixturestoensuresufficientshearcapacityacrosscold- joints(self-roughening),whileminimizingshrinkageandtemperatureincreaseduringcuringtoenhanceconcretebondingwiththesteelplates.
Task1
Task 2, Task 3, Task 4
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Proposed idea2.Task1– DevelopmentofaSelf-RougheningConcrete
Paste
CoarseAggregate
LWA
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Strategies2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Let’stakealook!
Outcomes2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Proprieties and tests
Self-ConsolidatingConcrete Self-RougheningConcrete
- Flowability:flowseasilyatsuitablespeedintoformwork(T20=4-5sec;FlowSlump=24-26”)
- HardenedVisualStabilityIndex(VSI=0)- SGroovetest(goodself-healingability)
Fresh SCC proprieties
Hardened SRC proprieties- Compressivestrength:6-7ksi- Shrinkage:<250με
2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
MeasurementofRoughness
Quantifying surface roughness2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Measurements of Roughness - Qualitative2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Measurements of Roughness - Quantitative2.Task1– DevelopmentofaSelf-RougheningConcrete
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Mechanical tests for shear friction characterization3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
WallElevation WallSection
Formwork
Hotrolledstructuralsteel
channels
ColdJoint
“…whenconcreteisplacedagainstpreviouslyhardenedconcrete,theinterfaceforsheartransfershallbecleanandfreeoflaitance.Ifμisassumedequalto1.0λ,interfaceshallberoughenedtoafullamplitudeofapproximately1/4in.”
ACI 318-11 (11.6.9):
Mechanical tests for shear friction characterization3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
WallSection
Formwork
Hotrolledstructuralsteel
channels
ColdJoint
Whenwetconcreteiscastuptodryconcrete.
Cold Joint
Mechanical tests for shear friction characterization3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test Matrix3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test Matrix
Coldjoint No Yes Yes Yes Yes YesReinforcementratio-ρ(%) 0.75 0.75 0.25 0.50 0.75 0.75#3shearreinforcement Yes Yes No No No No
Steelplate(thickness) No No
0.03125in.(22gauge)
0.0625in.(16gauge)
0.09375in.(13gauge)
0.375in.(16gauge)h=2.90in.
Repetitionwith5%LWA n/a 2 2 2 2 2Repetitionwith15%LWA n/a 3 3 3 3 3Tot.N.ofrepetitions 2 5 5 5 5 5
3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test Matrix3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Step1
Step3
Step2
Step4
Step5
Specimens preparation3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test set up
Knife-edgesupport
LVDT
LVDTsupport
200kiploadcell
Knife-edgesupport
3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
10
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40
50
60
70
0 0.1 0.2 0.3 0.4 0.5 0.6
Load
(kip
s)
Slip (in.)
CJ1575 - 1
SP1550-1
Behavior at cold joint with internal reinforcement3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
3.Task2- AssessmentofColdJointShearFrictionCapacityBehavior at cold joint with external steel plates
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Behavior at cold joint comparing internal and external reinforcement.
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0 0.1 0.2 0.3 0.4 0.5 0.6
Load
(kip
s)
Slip (in.)
CJ1575 - 1
SP1550-1
3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
InternalReinforcement
ρ=0.75%
ExternalSteelPlate
ρ=0.25%t=0.031in.(22gage)
ExternalSteelPlate
ρ=0.50%t=0.063in.(16gage)
ExternalSteelPlate
ρ=0.75%t=0.094in.(13gage)
ExternalSteelStrips
ρ=0.75%t=0.375in.
Mechanical tests for shear friction characterization3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
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0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
Loa
d (k
ips)
Slip (in.)
CJ0575
SP0525
SP0550
SP0575
ST0575
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90
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0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
Loa
d (k
ips)
Slip (in.)
CJ1575
SP1525
SP1550
SP1575
ST1575
5%LWA 15%LWA
Behavior at cold joint comparing internal and external reinforcement.
- Self-rougheningconcretecarrieshigherload.- HigherloadwithgreaterfractionofLWA.
3.Task2- AssessmentofColdJointShearFrictionCapacity
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
10
20
30
40
0 0.1 0.2 0.3 0.4 0.5 0.6
Loa
d (k
ips)
Slip (in.)
0.25% Steel Plate (Experimental)
0.25% Steel Plate (Simulation)
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Out-of-Plane
In-Plane
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen Design4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – welding 4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – welding4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – formwork4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – formwork4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – formwork4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – ready to be picked up4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – cast4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Casting day4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Casting day
Facingconstructionchallenges
4. Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
FirstTrial
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
SecondTrial
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
ThirdTrial
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Inthelab
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen construction – cast
Concreteplacement1
Concreteplacement2
Concreteplacement3
4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Inthelab– AfterCasting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Measurements of Temperature4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
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40
60
80
0 2 4 6 8 10 12 14 16
Tempe
rature(C
)
Time(days)
DOESCC:Task3ConcreteTemperatureMonitoring
Corner
Midpoint
Measurements of Temperature4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Getting ready to test
After28dd
4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Behavior at cold joint 4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
In-Plane and Out-of-Plane set up4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Out-of-Plane behavior
0
40
80
120
160
0 0.4 0.8 1.2 1.6 2
Load[kip]
Displacement[in]
Series1
Series2
4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Monolithic Out-of-Plane failure mode4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Out-of-Plane failure mode4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
In-Plane and Out-of-Plane failure mode4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
In-Plane and Out-of-Plane failure mode4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test Results and Analytical Model
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140
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Load
[Kip
]
Displacement [in.]
In-Plane
MO-IP
CJ-IP-1
CJ-IP-2
IP-Th
N690 App N90
20
40
60
80
100
120
140
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7Lo
ad [K
ip]
Displacement [in.]
Out-of-Plane
MO-OOP
CJ-OOP-1
CJ-OOP-2
OOP-Th
N690AppN9
4.Task3– AssessmentofShearandFlexurePerformances
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Specimen5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
5.Task4– ValidationthroughFull-ScaleTestingExternal steel plates
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Vertical5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Three concrete lifts3.Scalingthingsup
ColdJoint2
ColdJoint1
ConcretePlacement1
ConcretePlacement2
ConcretePlacement3
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Cold joint3.Scalingthingsup
ColdJoint2
ColdJoint1
ConcretePlacement1
ConcretePlacement2
ConcretePlacement3
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Moving the test specimen5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test setup5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Test setup5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Expected behavior5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Cold joint detail5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Cold joint detail5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Cold joint detail5.Task4– ValidationthroughFull-ScaleTesting
Cold joint detail5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
100
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500
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700
800
0.0 0.5 1.0 1.5 2.0 2.5
AppliedLoad
(kips)
DisplacementatLoadPoint(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.Displacement
InitialStiffness
Flexural YieldingofTensionPlate
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600
700
800
0 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 0.0045 0.005
AppliedLoad
(kips)
StraininTensileFaceofModule
SCCforModularUnits,Task4ValidationTest,Loadvs.Strain
GageatLoadPoint
GageatColdJoint
yieldstrain
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400
500
600
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800
0.0 0.5 1.0 1.5 2.0 2.5
AppliedLoad
(kips)
DisplacementatLoadPoint(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.Displacement
InitialStiffness
Flexural YieldingofTensionPlate
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0 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 0.0045 0.005Ap
pliedLoad
(kips)
StraininTensileFaceofModule
SCCforModularUnits,Task4ValidationTest,Loadvs.Strain
GageatLoadPoint
GageatColdJoint
yieldstrain
Load displacement curve5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
0
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800
-0.14 -0.12 -0.1 -0.08 -0.06 -0.04 -0.02 0 0.02
AppliedLoad
(kips)
DisplacementAcrossCold-JointatLVDT3(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.LVDT3
ConcreteinTensionCrackOpening
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-0.0008 -0.0006 -0.0004 -0.0002 0 0.0002 0.0004 0.0006 0.0008 0.001
AppliedLoad
(kips)
DisplacementAcrossCold-JointatLVDT1(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.LVDT1
ConcreteinCompression
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-0.07 -0.06 -0.05 -0.04 -0.03 -0.02 -0.01 0 0.01
AppliedLoad
(kips)
DisplacementAcrossCold-JointatLVDT2(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.LVDT2
Concrete inTensionCrackOpening
0
100
200
300
400
500
600
700
800
-0.35 -0.3 -0.25 -0.2 -0.15 -0.1 -0.05 0 0.05
AppliedLoad
(kips)
DisplacementAcrossCold-JointatLVDT4(in.)
SCCforModularUnits,Task4ValidationTest,Loadvs.LVDT4
ConcreteinTensionCrack Opening
Load strain 5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
8.61
18.5
430.0
0
36.00
29.5
0
As = 18.0 in*2
(a) faces only (b) faces plus continuous angles (c) faces plus continuous angles,compression concrete transformed
As = 24.5 in^2
27.9
5
27.1
5
Atr = 52.78 in^2
As = 24.5 in^2
10.4
319
.57
1.03
1.82
0
5
10
15
20
25
30
0 0.0002 0.0004 0.0006 0.0008 0.001
NeutralA
xisLo
catio
n
Curvature(1/inch)
SCCforModularUnits,Task4ValidationTest,SectionAnalysis
0
500
1000
1500
2000
2500
3000
3500
4000
4500
0 0.0002 0.0004 0.0006 0.0008 0.001
Bend
ingMom
ent(kip-ft)
Curvature(1/inch)
SCCforModularUnits,Task4ValidationTest,SectionAnalysis
0
5
10
15
20
25
30
0 0.0002 0.0004 0.0006 0.0008 0.001
NeutralA
xisLo
catio
n
Curvature(1/inch)
SCCforModularUnits,Task4ValidationTest,SectionAnalysis
0
500
1000
1500
2000
2500
3000
3500
4000
4500
0 0.0002 0.0004 0.0006 0.0008 0.001
Bend
ingMom
ent(kip-ft)
Curvature(1/inch)
SCCforModularUnits,Task4ValidationTest,SectionAnalysis
Model5.Task4– ValidationthroughFull-ScaleTesting
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
And outlooks6.Conclusions
Concluding
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
- SCCwhichself-roughenshasbeendevelopedbyreplacingsmallfractionofcoarsewithlightweightaggregate(LWA)à avoidsneedforcontinuousplacement- Achieveimprovedshearfrictioncapacity,whichscaleswithLWAfraction.- Fullscaleconvalidation- Meetstrengthandshrinkagetargets.
6.ConclusionsAnd outlooks
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
6.Acknowledgments
TheresearchdescribedinthisreportwasconductedattheStructuralEngineeringandMaterialsLaboratoryattheGeorgiaInstituteofTechnology(GeorgiaTech)andfundedbytheDepartmentofEnergy(DOE).ThefinancialsupportofDOE,theassistanceofthelaboratorystaffatGeorgiaTech,andtheinputoftheDOEprojectadvisorypanel,includingtechnicaloversightfromAlisonHahnandJackLance,aregratefullyacknowledged.Thefollowingcompaniescontributedmaterialandexpertisetotheresearchproject:1.Mr.RayNixonandIanHoustonoftheNelsonStudWeldingCompanyprovidedsignificantsupporttoourunderstandingofheadedstudweldingandqualitycontrol.Mr.NixonspentcountlesshoursteachingGeorgiaTechfaculty,studentsandstafftoweldstudsandarrangedforagiftofastudweldertoGeorgiaTech.2.TheCarolinaStalite Companyprovidedexpandedlightweightslateaggregatefortheproject.Mr.KenHarmon,PEoftheStalite Companyprovidedtechnicalsupportduringthedesignofconcretemixesusingthelightweightaggregate.3.ThomasConcreteprovidedready-mixconcreteforcastingoftheTask3and4specimens.Mr.JohnCookandJustinLazenby providedtechnicalassistanceinscalingthelaboratorymixesusedinTasks1and2intoself-rougheningSCCmixescapableofbeingbatchedinaready-mixplant.4.TheVulcanMaterialsCompanyprovidedalluvialsand,crushedman-madesand,andcrushedgraniteaggregateforthelaboratorymixesusedinTask1andTask2oftheproject.
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Thankyou.Questions?
“This material is based upon work supported by the Department of Energy [DE-NE0000667 NEET]”Disclaimer: “This report was prepared as an account of work sponsored by an agency of the UnitedStates Government. Neither the United States Government nor any agency thereof, nor any of theiremployees, makes any warranty, express or implied, or assumes any legal liability or responsibility forthe accuracy, completeness, or usefulness of any information, apparatus, product, or processdisclosed, or represents that its use would not infringe privately owned rights. Reference herein to anyspecific commercial product, process, or service by trade name, trademark, manufacturer, orotherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring bythe United States Government or any agency thereof. The views and opinions of authors expressedherein do not necessarily state or reflect those of the United States Government or any agencythereof.”
6.Disclaimer
Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD
Questions?