Over the past few years, the Local Road Research Board (LRRB) has developed several resources to address and mitigate issues associated with seasonal movement (heaving and depressions). The focus of this document is to specifically address seasonal movements at culverts and utilities. This document synthesizes several of the earlier resources: Frost Damage in Pavement: Causes and Cures (video); Best Practices to Manage Effects of Settlement and Heave at Catch Basins and Manholes (Ongoing LRRB research project schedule to conclude summer of 2021); Effective Methods to Repair Frost Damaged Roadways; and, MnDOT Pavement Design Manual (Section 360: Culvert and Storm Drain Bedding and Backfill and Section 380: Frost Effects).
Practices for constructing and repairing catch basins and manholes vary across Minnesota municipalities and counties. There are a variety of products ...
Since its construction in 1929, the Hudson Bay Railway (HBR) located in northern Manitoba, Canada, has been witnessing track deterioration through dif...
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