Improving Transportation Infrastructure Resilience through Post-event Damage Inspection (PDI) and Postevent Engineering Investigation (PEI)
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2024-06-01
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Abstract:This document summarizes the highway infrastructure resilience framework and practices for PostEvent Damage Inspection (PDI) and Post-Event Engineering Investigation (PEI) developed under the FHWA Task Order “Framework for Infrastructure Resilience and Post-Hazard Response.” The document describes the framework components: pillars, lenses, dimensions and indicators. It outlines the steps suggested for the evaluation of the resilience of highway infrastructure and presents a Resilience Evaluation Tool incorporating these steps. The application of the Resilience Evaluation Tool is illustrated using a demonstration test case. This document also presents an enhanced methodology for PDI and addresses the needs and gaps identified in the current procedures for pre-event planning, postevent inspection, team composition, and team training. In addition, this document suggests an enhanced PEI methodology covering field reconnaissance missions, data collection, processing, and interpretation methods, post-event network-level rehabilitation, and long-term resilience building strategies. The evaluation of highway infrastructure resilience following the resilience framework presented herein is contingent on the completeness and quality of the resilience database. For this reason, the document provides suggestions on the data categories and data collection phases and methods to support building a comprehensive database for resilience, comprising damage and non-damage data relevant to the network performance assessment ex-ante and ex-post disaster events.
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