U.S. (FHWA) MICROPILE PRACTICE AND UPDATE

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U.S. (FHWA) MICROPILE PRACTICE AND UPDATE
Implementation Manual Teaching ModulesTOM
A. ARMOUR, P.E.

• SESSION VII
• CODES, STANDARDS AND GUIDELINES
• IWM 2002
• MAY 29 JUNE 1, 2002

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REFERENCE PROGRAMSFunded by FHWA to Speed
Upthe Implementation of Micropiles

• State of the Practice Review (Step 1) -1997
• Design and Construction - 2000
• Implementation Manual (Step 2)
• National Technical Workshop - 2002
• (Step 3)

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IMPLEMENTATION MANUAL- (STEP 2)Recommended
Guidelines

• Micropile Definition Classification System
• Micropile Design Guidelines
• Service Load Design
• Load Factor Design
• Load Testing Recommendations
• Quality Assurance Quality Control (QA/QC)
• Contracting Methods
• Owner Controlled Design
• Contractor Design/Build
• Guideline Specifications
• Alternative Procurement Methods
• Micropile Contractor Prequalification
• Geotechnical Design Summary
• Contractor Submittals

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NATIONAL TECHNICAL WORKSHOP- (STEP 3)Training
Module

• Primary Objective
• To develop a national
• technical workshop targeted
• at Federal and State Dept.
• of Transportation specialists
• involved in design, construction
• and specification development
• for transportation facilities.

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NATIONAL TECHNICAL WORKSHOP- (STEP 3)Training
Module

• Other Objectives
• Introduce micropile technology
• Present site investigation, load testing and
  QA/QC recommendations
• Present comprehensive design methods
• Provide example plans and guideline
  specifications

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NATIONAL TECHNICAL WORKSHOP- (STEP 3)Training
Module

• Important Statistics
• Contractor is ADSC The Industry
• 15 month contract to complete module
• 2- Day Training Course
• 75 training courses anticipated to be taught
  throughout USA over next
• 3 - 4 years

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USA MICROPILE PRACTICEWhere We Are Today

• No AASHTO Approval
• 2001 AASHTO LRFD Highway Bridge Construction
  Specifications
• Public Agencies gaining knowledge with increased
  use
• Specialty Contractors still leading the charge in
  the development and specification of micropile
  applications
• FHWA/Industry increasing micropile focus through
  ADSC/DFI

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INDUSTRY UPDATECurrent Works In Progress

• Industry Seminars
• Industry Short Courses
• Operator Training Courses
• Inspector Training/Certification
• Design/Construction Training Modules

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INDUSTRY UPDATE (cont)Current Works In
Progress

• Regional Educational Presentations
• Regional Technical Assistance
• Research Development
• IWM

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INDUSTRY UPDATE (cont)Current Works In
Progress

• Fund Raising
• Technical Library
• Practice Updates
• Public Relations
• DFI Coordination