Permeable stabilization for embankments - case study summary

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Courtesy of Presto Geosystems

The Problem

After years of receiving record rainfall events and continuously saturated soils, severe surface slope failure occurred on a railroad embankment. All vegetation, including large trees, was part of a resulting mudslide that covered and blocked a critical section of track between Portland, Oregon and Seattle, Washington. An immediate repair was critical since track closure for any length of time would be very costly to the railroad.

The Permeable Solution

After considering all potential options, the railroad and engineering consultants, Shannon Wilson, chose the perforated Geoweb® slope protection system with tendon anchoring and aggregate infill to stabilize the slope surface. To facilitate slope drainage, a permeable system was required at this site.

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