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  • Welcome to ROADEX webinar
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  • Background
    • The ROADEX Pilot Project (1998 – 2001)
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  • E-learning
    • E-Learning Lessons
      • Permanent Deformation
        • Disclaimer – common to all packages
        • Permanent Deformation preface
        • 1. What is permanent deformation and why we do not like it
          • Lesson 1 Test
        • 2. Stresses and strains in road structures
          • Lesson 2 Test
        • 3. Permanent deformation rutting classification
          • Lesson 3 Test
        • 4. Survey and monitoring techniques
          • Lesson 4 Test
        • 5. Classifications, analysis and diagnostics
          • Lesson 5 Test
        • 6. Managing permanent deformation
          • Lesson 6 Test
        • 7. Design against permanent deformation
          • Lesson 7 Test
      • Roads on Peat
        • Disclaimer
        • Preface
        • 1. Peat
          • Lesson 1 Test
        • 2. Behaviour of peat
          • Lesson 2 Test
        • 3. Environmental considerations
          • Lesson 3 Test
        • 4. Geotechnical risk management
          • Lesson 4 Test
        • 5. Engineering considerations of peat
          • Lesson 5 Test
        • 6. Investigations & surveys
          • Lesson 6 Test
        • 7. Types of construction
          • Lesson 7 Test
        • 8. Maintenance of existing roads
          • Lesson 8 Test
        • 9. Monitoring and records
          • Lesson 9 Test
      • Drainage of Low Volume Roads
        • Disclaimer
        • Preface
        • 1. Introduction, why drainage is important
          • Lesson 1 Test
        • 2. Water in road materials and subgrade soils, terminology
          • Lesson 2 Test
        • 3. Water and mechanical properties of roads
          • Lesson 3 Test
        • 4. Components of road drainage system
          • Lesson 4 Test
        • 5. Drainage problems and how to avoid them
          • Lesson 5 Test
        • 6. Drainage analysis and classifications
          • Lesson 6 Test
        • 7. Examples of drainage deficiencies in the roadex area
      • Environmental Considerations for Low Volume Roads
        • Disclaimer
        • Preface
        • 1. Introduction
        • 2. Environmental codes and assessments
        • 3. Protected nature
        • 4. Environmental issues related to road management
        • 5. Exhaust gases, carbon emissions and climate change
        • 6. Environmental aspects in road design
        • 7. Roads, water and wetlands
        • 8. Environmental Issues Test
  • Intranet
    • Media files
    • Steering committee, Edinburgh 2014
    • Steering Committee, Helsinki 2015
    • Steering committee, Dublin 2015
    • Steering Committee, Oslo 2016
    • Steering Committee, Oslo 2016
    • Steering committee, Luleå 2017
    • Steering Commitee, Reykjavik 2017
    • Steering Commitee, Rovaniemi 2018
    • Steering committee, Kilkenny 2019
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  • Questionnaire 2019
    • Results
  • Acknowledgements
  • Disclaimer
  • Preface
  • 1. General
  • 2. Gravel and forest road components
  • 3. Wearing course
  • 4. Bearing Capacity
  • 5. Roads on weak subgrade
  • 6. Drainage
  • 7. Survey and monitoring techniques, diagnostics
  • 8. Maintenance machinery and techniques
  • 9. Renovation design and techniques
  • 10. Seasonal change management
  • 11. Environmental considerations
  • Lesson Test – Gravel and forest roads
  • Gravel and Forest Road Literature, References and Guidelines
  • Video links about Gravel and Forest Roads
Navigate roadex.org
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  • About Us
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    • The ROADEX Network
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  • Background
    ▼
    • The ROADEX Pilot Project (1998 – 2001)
    • ROADEX II (2002 – 2005)
    • ROADEX III (2006 – 2007)
    • ROADEX IV (2008-2012)
    • The Northern Periphery Programme
  • ROADEX Knowledge Centre
    ▼
    • ROADEX Publications
    • Final Seminar Materials
    • ROADEX MEDIA
  • Translated reports
    ▼
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  • Intranet
  1. Home
  2. Services
  3. Knowledge Center
  4. ROADEX Publications
  5. Permanent Deformation
  6. Demonstration of geogrid on soft subgrade at Saalahti (2012)

Demonstration of geogrid on soft subgrade at Saalahti (2012)

Demonstration of geogrid on soft subgrade at Saalahti (2012)

The ROADEX Network

The ROADEX Network is a collaboration of northern European roads organisations whose aim is to share roads information and research.

Navigation

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News

  • New eLearning package released! 23.02.2023
  • ROADEX webinar: New technologies in gravel and forest road surveys on December 14th 2022 at 12:00 (EEST) 12.12.2022
  • ROADEX webinar: What is climate literacy and how can it help? by Craig Love on 21st of June 2022 at 14:00pm (EEST) 15.06.2022
  • ROADEX and the ReMiBar project 16.02.2017
  • The ROADEX Network publishes a report on the “Evaluation of ROADEX benefits and savings” by Professor Pekka Leviäkangas 21.12.2015

Get the latest news


 

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