Innovative Sensors for Civil Infrastructure Condition Assessment

Dear Colleagues,

Civil infrastructure, including bridges, buildings, dams, pipelines, power plants, roads, tunnels, and wastewater treatment plants, is a large and complex network system. Each type of infrastructure represents a capital investment of the private and/or public sectors in a society. Their condition and operational capacity directly impacts economic development of the society and the welfare of citizens. Innovative sensors, together with advanced data analytics, can play a unique role in providing mission critical data for informed decision-making about infrastructure functionality and safety.

Civil infrastructure operates in an open and harsh environment, leading to aging deterioration due to electrochemical reactions in steel, alkali silica reactions in concrete, and other detrimental reactions. Their designs (size and material selections) are determined not only by normal operational loads (i.e., vehicular trucks) but also extreme loads, such as earthquakes and winds. Under these uncertain loads, civil infrastructure can experience various structural behaviors, such as yielding, buckling, cracking, scour, excessive vibration, fatigue, and fracture. To fully understand the behavior of a civil infrastructural system, multiple (even special) sensors for measurement and fusion of heterogeneous data at various scales are required. This Special Issue aims to provide a forum of advanced sensors for expanded and enabled capabilities towards the assessment of civil infrastructure conditions under operational and extreme loads.

Prof. Dr. Genda Chen
Guest Editor

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