IWM 2004 Tokyo, Japan Micropiles State of the Art Report Research and Practice Issues USA John R. Wolosick, P.E. Hayward Baker Inc. Atlanta, Georgia

IWM 2004IWM 2004Tokyo, JapanTokyo, Japan

MicropilesMicropilesState of the Art ReportState of the Art Report

Research and Practice Issues Research and Practice Issues USAUSA

John R. Wolosick, P.E.John R. Wolosick, P.E.

Hayward Baker Inc.Hayward Baker Inc.

Atlanta, GeorgiaAtlanta, Georgia

Geotechnical Construction

Results from ADSC/DFIResults from ADSC/DFIMicropile CommitteeMicropile Committee

Research InitiativeResearch InitiativeFunded by Industry MembersFunded by Industry Members


Request ActivityRequesting

PartyProposed Funding

Status Task/Action

12001 LRFD AASHTO

SpecificationD'Appolonia $25,000 Approved by IAF

COMPLETETAA to contact T. Allen (WSDOT) and JW to contact Ohio DOT T-15 Committee member

2 Buckling PaperMPIAF for Schnabel

Engineering$2,000 Approved by IAF COMPLETE

3Coupled Joint Bending Load

TestN.W. Cascade $0

Proposal not accepted by Steering Committee

DEAD

4 IWM Leadership IWM $10,000

Supplemental funds previously committed to Al DiMillio. Al committed $25K for 2003

ON GOING

5State D.O.T. Pooled Funds

ResearchTom Shantz(Coordinator)

In Kind On GoingMeet w/Tom to discuss details




Status Task/Action

6WSU Research Project

“Seismic Behavior”Adrian Rodriguez

-MarekIn Kind On Going

Meet w/Adrian to discuss details

7 FHWA MP Manual Chapter 6 D'Appolonia/Hayward

Baker$9,000 Approved by IAF COMPLETE

8 Practice Update Geotechnica, S.A. $0Proposal not accepted due to limited funds and limited interest

DEAD

9 Strain CompatibilityFuller Mossbarger Scott

& May$25,000 Approved by IAF

IN PROGRESS – Final test results presented to Task Force with Draft Report. Task Force to provide final comments to FMSM N.L.T. February 1st.

10 Grout Cubes v Cylinders Geotechnical, S.A. $7,000

Buzek submitted database info to committee.Project pending

Barry Newman(GAI) to review Buzek information and recommend direction to committee. Barry will give a report of his findings N.L.T. the spring meeting.




Status Task/Action

11 Bending & Axial Load Testing Malcolm Drilling $0Load test report placed in ADSC Technical Library

COMPLETE

12MICROFOR-Micropile CASE 1 &

2 Network Load TestingBrooklyn Polytechnic In Kind

1) Task Force submitted concerns with research project and additional requests for more information2) Task Force submitted cost estimates3) Gary presented revised program and location

Task Force reviewed revised research program with a revised location for the load testing. Task Force is in general agreement for the Spring Villa NGES site at Auburn University. Task Force to provide final comments to Gary and estimate costs. If satisfactory, will recommend for committee approval at spring meeting.

132005 Micropile Faculty

WorkshopADSC $$$ and In Kind

Task Force working w/Dan Brown(Auburn University) developing program and budget

Moved to 2006. TAA to find a Champion to head this up. Jim H and John W will act in support roles.

14Slope Stability/Earth Retention

Design ProcedureGolder Associates Unknown

Gathering previous project instrumentation information

No Action. Will be developed as part of NHI Course 132078 with Ryan Berg and Paul Sabbatini.




Status Task/Action

151995 Research Needs

Assessment ReportMicropile Committee Unknown

Document provided to Task Force at Fall 2003 Committee meeting. Task force reviewed at GeoSupport 2004 meeting.

Tom R. to provide a synthesis of the Task Force’s findings N.L.T. the spring committee meeting.

16 Footing Connections Micropile Committee Unknown

Presented to Task Force at Fall 2003 Committee meeting. Victor Elias has potential FHWA funds with UC Davis to perform some research in this area.

GAI to provide a proposal to perform a research project.

17 Pile Joints Micropile Committee UnknownPresented to Task Force at Fall 2003 Committee meeting

Jesus′ Gomez to Champion this investigation and possibly develop a white paper.




Status Task/Action

18 Micropile Rafts Micropile Committee UnknownPresented to Task Force at Fall 2003 Committee meeting

No action – Low Priority

19Group vs. Florida Pier

Design Analysis Comparison Study

Micropile Committee UnknownPresented to Task Force at Fall 2003 Committee meeting

Aomar Benslimane to submit a proposal comparing the two along with their applicability to micropiles.

20 Malcolm Load Test Report White Paper

Micropile Committee Unknown Presented to Task Force at Fall 2003 Committee meeting

See comments from Item No. 17


Completed Research PublicationsCompleted Research Publications

Buckling of Micropiles – White Paper Buckling of Micropiles – White Paper by by Cadden & Cadden & GomezGomezAASHTO LRFD Design and AASHTO LRFD Design and ConstructionConstruction

SpecificationsSpecificationsMicropile Steel and Grout Strain Micropile Steel and Grout Strain

Compatibility Compatibility StudyStudy

Available on CD or by EmailAvailable on CD or by Email


AASHTOAASHTOLRFDLRFDSpecificatioSpecificationn


New Developments - Titan New Developments - Titan BarsBars


Titan Drill BitTitan Drill Bit


Bulk Cement and Portable Batch Bulk Cement and Portable Batch PlantPlant


Other Issues:Other Issues:

Large 2 ½ inch Diameter GR 150 Large 2 ½ inch Diameter GR 150 barsbarsLarge 3 ½ inch Diameter GR 75 barsLarge 3 ½ inch Diameter GR 75 bars

Steel Pipe Shortage and High Steel Pipe Shortage and High Prices!Prices!

Lack of 5 ½ , 7, and 9 5/8 inch PipeLack of 5 ½ , 7, and 9 5/8 inch Pipe


The EndThe End

Questions?Questions?


Request

ActivityRequesting


Status Task/Action

12001 LRFD AASHTO

SpecificationD'Appolonia $25,000 Approved by IAF

COMPLETETAA to contact T. Allen (WSDOT) and JW to contact Ohio DOT T-15 Committee member

2 Buckling PaperMPIAF for Schnabel

Engineering$2,000 Approved by IAF COMPLETE

3Coupled Joint

Bending Load TestN.W. Cascade $0 Proposal not accepted by Steering Committee DEAD

4 IWM Leadership IWM $10,000Supplemental funds previously committed to Al DiMillio. Al committed $25K for 2003

ON GOING

5State D.O.T. Pooled

Funds ResearchTom Shantz

(Coordinator)In Kind On Going Meet w/Tom to discuss details

6WSU Research Project“Seismic Behavior”

Adrian Rodriguez

-MarekIn Kind On Going Meet w/Adrian to discuss details

7FHWA MP Manual

Chapter 6 D'Appolonia/

Hayward Baker$9,000 Approved by IAF COMPLETE

8 Practice UpdateGeotechnica,

S.A.$0

Proposal not accepted due to limited funds and limited interest

DEAD

9 Strain CompatibilityFuller

Mossbarger Scott & May

$25,000 Approved by IAFIN PROGRESS – Final test results presented to Task Force with Draft Report. Task Force to provide final comments to FMSM N.L.T. February 1st.

10Grout Cubes v

CylindersGeotechnical,

S.A.$7,000

Buzek submitted database info to committee.Project pending

Barry Newman(GAI) to review Buzek information and recommend direction to committee. Barry will give a report of his findings N.L.T. the spring meeting.

11Bending & Axial

Load TestingMalcolm Drilling $0

Load test report placed in ADSC Technical Library

COMPLETE

12

MICROFOR-Micropile CASE 1 &

2 Network Load Testing

Brooklyn Polytechnic

In Kind

1) Task Force submitted concerns with research project and additional requests for more information2) Task Force submitted cost estimates3) Gary presented revised program and location

.Task Force reviewed revised research program with a revised location for the load testing. Task Force is in general agreement for the Spring Villa NGES site at Auburn University. Task Force to provide final comments to Gary and estimate costs. If satisfactory, will recommend for committee approval at spring meeting.

132005 Micropile

Faculty WorkshopADSC $$$ and In Kind

Task Force working w/Dan Brown(Auburn University) developing program and budget

Moved to 2006. TAA to find a Champion to head this up. Jim H and John W will act in support roles.

14Slope Stability/Earth

Retention Design Procedure

Golder Associates

UnknownGathering previous project instrumentation information

No Action. Will be developed as part of NHI Course 132078 with Ryan Berg and Paul Sabbatini.

151995 Research Needs

Assessment ReportMicropile Committee

UnknownDocument provided to Task Force at Fall 2003 Committee meeting. Task force reviewed at GeoSupport 2004 meeting.

Tom R. to provide a synthesis of the Task Force’s findings N.L.T. the spring committee meeting.

16 Footing ConnectionsMicropile Committee

Unknown

Presented to Task Force at Fall 2003 Committee meeting. Victor Elias has potential FHWA funds with UC Davis to perform some research in this area.

GAI to provide a proposal to perform a research project.

17 Pile JointsMicropile Committee

UnknownPresented to Task Force at Fall 2003 Committee meeting

Jesus′ Gomez to Champion this investigation and possibly develop a white paper.

18 Micropile RaftsMicropile Committee


No action – Low Priority

19Group vs. Florida Pier

Design Analysis Comparison Study

Micropile Committee


Aomar Benslimane to submit a proposal comparing the two along with their applicability to micropiles.

20Malcolm Load Test Report White Paper

Micropile Committee


See comments from Item No. 17

Documents

IWM 2004 Tokyo, Japan Micropiles State of the Art Report Research and Practice Issues USA John R. Wolosick, P.E. Hayward Baker Inc. Atlanta, Georgia