slide1
Download
Skip this Video
Download Presentation
Development of ADSC-FHWA Micropile Teaching Module into NHI Course Dr. Donald A. Bruce

Loading in 2 Seconds...

play fullscreen
1 / 13

Development of ADSC-FHWA Micropile Teaching Module into NHI Course Dr. Donald A. Bruce - PowerPoint PPT Presentation


  • 139 Views
  • Uploaded on

Development of ADSC-FHWA Micropile Teaching Module into NHI Course Dr. Donald A. Bruce. Ground Improvement Technology – Micropiles: Original ADSC-FHWA Short Course. Contract awarded to ADSC by FHWA in 2002.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Development of ADSC-FHWA Micropile Teaching Module into NHI Course Dr. Donald A. Bruce' - borna


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
ground improvement technology micropiles original adsc fhwa short course
Ground Improvement Technology – Micropiles: Original ADSC-FHWA Short Course
  • Contract awarded to ADSC by FHWA in 2002.
  • Course developed by Geosystems, geotechnica, and Schnabel Engineering under direction of IWM member Barry Siel (FHWA).
  • Based on FHWA Implementation Manual (DBM).
  • Deliverables
    • Participant’s Workbook
    • Instructor’s Guide
    • “Walk Through” (FHWA in D.C.)
    • Demonstration (WA State DOT)
    • Course now transferred to NHI
update of fhwa course to nhi course
Update of FHWA course to NHI Course
  • FHWA awarded contract to Ryan R. Berg & Associates in 2004
  • Work involves updating original course to adhere to National Highway Institute requirements
  • Technical consultants included:
    • Dr. P. Sabatini, Lead Revision Author
    • ADSC Micropile Committee as Technical advisors (including IWM members T. Armour, D. Bruce, A. Cadden, T. Richards, J. Wolosick)
    • Adult Education specialist
    • Peer reviewers as required
update of adsc fhwa course to nhi course
Update of ADSC-FHWA Course to NHI Course
  • Technical scope of work includes:
    • Updating and revising FHWA Micropile Implementation Manual (originally developed by DBM)
    • Revising course curriculum materials
      • Instructor’s Guide
      • Participant’s Workbook
      • Visual Aids
    • Deliver course walk-through at NHI office
    • Deliver 2-day pilot presentation
    • Deliver regular 2-day course presentations
contents of the course
Contents of the Course
  • Lesson 1: Introduction (45 mins)
  • Lesson 2: Definitions, Background, and Classification (Chapters 1 and 2 of Manual) (30 mins)
  • Lesson 3 – Applicability and Applications

Chapter 3 of Manual) (45 mins)

  • Lesson 4 – Construction Techniques and Materials (Chapter 4 of Manual) (60 mins)
contents of the course continued
Contents of the Course (continued)
  • Lesson 5 – Design Basics – Structural Support (150 mins)
  • Lesson 6 – Design for Slope Stabilization and Earth Retention (30 mins)
  • Lesson 7 – Pile Load Testing (Chapter 7 of Manual) (45 mins)
  • Lesson 8 – Construction Inspection – Quality Control (Chapter 8 of Manual) (30 mins)
contents of the course continued1
Contents of the Course (continued)
  • Lesson 9 – Contracting Method (Chapter 9 of Manual) (20 mins)
  • Lesson 10 – Feasibility and Cost Data (Chapter 10 of Manual) (20 mins)
  • Lesson 11 – Review of Ongoing Research (20 mins)
  • Lesson 12 – Team Exercise (60 mins)
  • Closure (15 mins)
revisions to fhwa implementation manual
Revisions to FHWA Implementation Manual
  • Inclusion of information as appropriate from FOREVER, AASHTO ASD specifications, AASHTO LRFD specifications, GEC No. 4 (Anchored structures), and GEC No. 7 (Soil nail walls)
  • Update manual graphics
  • Inclusion of relevant applications of micropiles from recent case histories
  • Update load testing data forms and micropile inspection forms
revisions to fhwa implementation manual1
Revisions to FHWA Implementation Manual
  • Major revisions to Chapter 5 (Design Basics – Structural Support
    • Strength and serviceability limit state conditions of single and groups of micropiles in compression, tension, and combined axial load and bending
    • Evaluation of lateral capacity of micropiles under seismic loading
    • Effects of liquefaction on lateral capacity and downdrag forces
    • Design of appropriate corrosion protection measures
revisions to fhwa implementation manual2
Revisions to FHWA Implementation Manual
  • Major revisions to Chapter 5 (Design Basics – Structural Support (continued)
    • Design methods for inclined micropiles
    • Updated safety factors based on number of load tests performed
    • Description of failure mechanisms
    • Background on selection of k-values for buckling analyses and calculations for pile group centroids and moments of inertia
revisions to fhwa implementation manual3
Revisions to FHWA Implementation Manual
  • Major revisions to Chapter 6 (Design for Slope Stabilization and Earth Retention)
    • Re-present Chapter 6 material in a manner stronger than a design concept without endorsing a specific design methodology
    • Revision and update of figures
    • Develop Case 1 non-reticulated micropiles with a concrete cap beam as a “structural frame”
    • Include section on economics of micropiles for slope stabilization
revisions to fhwa implementation manual4
Revisions to FHWA Implementation Manual
  • Revisions to Chapter 7 (Pile Load Testing)
    • Provide specific guidance on number of load tests to be performed
    • Add recommendations on load testing procedures and interpretation of results consistent with other deep foundation load tests
    • Discuss integrity testing and Statnamic testing
    • Provide sequences for verification, proof, and creep tests
    • Provide appropriate acceptance criteria
revisions to course curriculum
Revisions to Course Curriculum
  • Editorial revisions to Instructor’s Guide, Participant’s Workbook, and PowerPoint slides (visual aids) to adhere to NHI requirements
ad