United States Department of Transportation
i
Towards the Implementation of a Geotechnical Asset Management Program in the State of Georgia
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2023-05-01
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[PDF-12.28 MB]
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Edition:Final: August 2020-May 2023
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Abstract:Experiences at U.S. departments of transportation (DOTs) have demonstrated the value of geotechnical asset management (GAM) to enable a framework for informed decisions that align the DOT’s objectives with investment and performance targets. However, because Georgia currently lacks a such a program, this study was performed to set the stage for developing a GAM program in the state with a primary focus on retaining walls. While walls were identified as the asset of the highest importance in Georgia, other critical infrastructure assets (i.e., slopes, embankments, and bridge foundations) were also considered. The proposed GAM system consisted of three phases: (1) inventory during design, (2) as-built inventory, and (3) maintenance inspection. Towards the development of a state-wide GAM program, a computational platform that accommodated the different proposed phases was developed and tested in metro Atlanta areas. The study also reviewed image-based and remote-sensing technologies for GAM. In particular, proof-of-concept studies that combined image-based and machine learning technologies for optimizing GAM processes for retaining walls in the metro Atlanta area were conducted, showing promising results. The study concluded by providing a road map for establishing a GAM program in the state of Georgia, considering short-term and long-term recommendations.
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