Overview of Nondestructive Evaluation Projects at NSF
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
During the past several years, many reports have been published concerning the sad state of deterioration of the nation’s public works, such as, bridges, roadways, water and sewer systems, ports, harbors, airports, and buildings of all types. According to the 1988 National Research Council Report on “Building for Tomorrow” estimates of public infrastructure amounted to $49 trillion in 1984, and growing rapidly. The infrastructure ages and deteriorates with time. The deterioration is mostly a result of aging of the materials, excessive use, overloading, climatic conditions, lack of sufficient maintenance, and difficulties encountered in proper inspection methods. All of these factors contribute to the obsolescence of the structural system as a whole. As a result, repair, retrofit, rehabilitation, and replacement become necessary actions to be taken to insure the safety of the public.