Geosynthetic reinforced soil grs technology consists of closely spaced layers of geosynthetic reinforcement and compacted granular fill material grs has been used for a variety of earthwork. Geosynthetic reinforced soil grs for load bearing applications has been identified by the federal highway administration fhwa as a proven market ready technology and is being actively promoted through the agencys every day counts initiative. Segmental retaining walls srws primarily those with precast concrete block facing reinforced by geogrids or geotextiles are in a period of enormous growth estimates are that 35000 of these walls exist and that they cover the entire range of practical wall heights. Current internal stability analyses of geosynthetic reinforced soil grs retaining structures such as the common tie back wedge method and other methods based on limiting equilibrium are known to be very conservative. A study was undertaken to synthesize field long term performance data of full scale geosynthetic reinforced soil grs retaining walls upon conducting an extensive literature review and survey seven grs retaining walls of which the performance had been monitored for extended periods
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