Self-Consolidating Concrete for SC Modular … - Self...Self-Consolidating Concrete for SC Modular Structures Monday, OCTOBER 17, 2016 –AMM Workshop –Germantown, MD 2. Task 1 –

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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30

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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30

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60

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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.)

CJ0575

SP0525

SP0550

SP0575

ST0575

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30

40

50

60

70

80

90

100

110

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

20

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

0

20

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60

80

100

120

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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300

400

500

600

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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300

400

500

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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100

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300

400

500

600

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 0.005Ap

pliedLoad

(kips)

StraininTensileFaceofModule

SCCforModularUnits,Task4ValidationTest,Loadvs.Strain

GageatLoadPoint

GageatColdJoint

yieldstrain

Load displacement curve5.Task4– ValidationthroughFull-ScaleTesting

Self-ConsolidatingConcreteforSCModularStructuresMonday,OCTOBER17,2016– AMMWorkshop– Germantown,MD

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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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800

-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?