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LRRB

Minnesota Local Road Research Board

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Mitigating Seasonal Movements at Culverts

March 11, 2021 by Shannon Fiecke

Local agencies struggle with frost dips and heaves that develop over newly installed centerline culverts. The Local Road Research Board has developed a quick reference guide for local agencies to identify the cause of their frost dips and provide recommendations for mitigation.

Over the past years, the LRRB has developed several resources to address and mitigate issues associated with seasonal movement (heaving and depressions). The quick guide, which synthesizes several earlier resources, specifically address seasonal movements at culverts and utilities.

Topics:

  • Factors/conditions causing seasonal movement
  • Susceptible soils
  • Potential issues/evaluation
  • Mitigation construction practices
  • Utility trench treatment
  • MnDOT standards

Quick Reference Guide

Mitigating Seasonal Movements at Culverts (2021RIC01) (pdf)

Related Resources

Effective Methods to Repair Frost Damaged Roadways (pdf)

Frost Damage in Pavement: Causes and Cures (video)

MnDOT Pavement Design Manual (pdf)

Related Research 

Active project: Best Practices to Manage Effects of Settlement and Heave at Catch Basins and Manholes

Transportation Research Synthesis: Mitigating Frost Dips Over Newly Installed Centerline Culverts  (pdf)

Filed Under: Materials and Construction, Maintenance Operations, Bridges & Structures, 2019-2021, Implementation Projects

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