Abstract
Transportation infrastructure networks form the lifeline of a nation's economy. These critical infrastructure systems are expected to deteriorate over time due to repeated traffic loading and environmental influences. Highway agencies across the globe are always faced with budgetary and resource constraints such that their investments are unable to keep up with the maintenance and management needs of deteriorating transportation infrastructure systems. Thus, there is a need for cost-effective and reliable health monitoring systems to ensure that these infrastructure systems optimally perform the functions they are intended to perform during their service lives. Recent advancements in wireless technologies and the development of miniature (micro-scale) sensing devices have the potential to enable the promise of smart pavement health monitoring systems. This chapter delves into various existing and emerging transportation infrastructure health monitoring techniques and highlights some recent case studies on the investigation of wireless micro-electromechanical sensor systems for pavement health monitoring.
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