1. Federal Highway Administration (FHWA), “Earth Retaining Structures and Asset Management”, Publication No. FHWA-IF-08-014, U.S. Department of Transportation, Washington, DC (2008).
2. Federal Highway Administration (FHWA), “Design and Construction of Mechanically Stabilized Earth Walls and Reinforced Soil Slopes – Volume II”, Publication No. FHWA-NHI-10-025, U.S. Department of Transportation, Washington, DC, (2009).
3. Recommended Layout of Instrumentation to Monitor Potential Movement of MSE Walls, Berms and Slopes;Koerner,2011
4. Washington State Department of Transportation (WDOT), “Geotechnical Design Manual”, Publication No. M 46-03.04, Environmental and Engineering Programs, Olympia, WA (2011).
5. Bridge Diagnostics, “BDI Strain Transducer – ST350”, Bridge Diagnostics, Boulder, CO, (2006).