Project Summary/Scope:

<p><p><h2>Commentary</h2>Typical contract pay items and units of measurement used for Mechanically Stabilized Earth Wall systems (MSEW) include<br><ul> <li>Mechanically stabilized earth wall measured by the square foot (SF) – includes earth reinforcement elements, leveling pad (footing) and wall facing</li> <li>Embankment material measured by the cubic yard (CY) – some applications may require imported select fill</li></ul>The equipment used to construct MSEW systems is common to highway construction projects; therefore, ad

<p><p><figure id='attachment_1518' style='max-width:1024px' class='caption alignnone'><img class="wp-image-1518 size-large" src="https://www.geoinstitute.org/sites/default/files/geotech-tools-uploads/…; alt="Schematic diagram showing the principal elements of a mechanically stabilized earth wall." width="1024" height="509" /><figcaption class='caption-text'> Mechanica

<p><p><figure id='attachment_8154' style='max-width:1334px' class='caption aligncenter'><img class="size-full wp-image-8154" src="https://www.geoinstitute.org/sites/default/files/geotech-tools-uploads/…; alt="Photograph of the Completed Mount Pleasant Road Bridge." width="1334" height="1000" /><figcaption class='caption-text'> Figure 1. Completed Mount Pleasant Road Bridge.

<p><p><figure id='attachment_8106' style='max-width:1457px' class='caption alignnone'><img class="size-full wp-image-8106" src="https://www.geoinstitute.org/sites/default/files/geotech-tools-uploads/…; alt="Photograph of the completed Orange Avenue Bridge." width="1457" height="1092" /><figcaption class='caption-text'> Figure 1.

<p><p><strong>References:<br></strong><em>Berg et al. (2009)<br>Morrison, et al. (2006b)<br>Simac, et al. (1993)<br>Simac, et al. (1990)<br>Tanyu, et al. (2008)</em></p><p><strong>Method Summary</strong></p><p>Performance monitoring differs based on the criticalness of the MSE structure.

<p><p><strong>References:<br></strong><em>Adams, et al. (2011)<br>Berg, et al. (2009)<br>Morrison, et al. (2006b)<br>Tanyu, et al. (2008)</em></p><p><strong>Method Summary</strong></p><p>A preconstruction review is an outline of general requirements used for monitoring and inspecting MSE systems. The general requirements should be expanded by the agency to include detailed requirements based on the agencies specifications and the specific project plans and specification requirements.

<p><p><strong>References:<br></strong><em>Adams, et al. (2011)<br>Berg, et al. (2009)<br>Morrison, et al. (2006b)<br>Tanyu, et al. (2008)</em></p><p><strong>Method Summary</strong></p><p>Moisture and density control is imperative for construction of MSE systems.

<p><p><strong>References:<br></strong><em>Adams, et al. (2011)<br>Berg, et al. (2009)<br>Morrison, et al. (2006b)<br>Tanyu, et al. (2008)</em></p><p><strong>Method Summary</strong></p><p>Establishing control measures for the reinforced material fill is imperative for construction of MSE structures. The backfill in MSE structures is the key element in satisfactory performance. The use of appropriate material and its correct placement are important properties.