Methodologies for assessing the longitudinal roughness of airport taxiways and runways
As a significant indicator of the condition of airport surfaces, the longitudinal roughness significantly affects the comfort and safety of passengers and crew members when navigating the airplanes on the airport taxiways and runways, which is why the location of uneven zones and their prompt rehabilitation is one of main tasks in managing the airport infrastructure. Several different methodologies are available to assess the pavement surface roughness. Some of them, such as the International Roughness Index (IRI), have been taken from road practices. Boing has developed a methodology that takes into account differences in the design of aircraft and road vehicles and this methodology is specified within the ICAO (International Civil Aviation Organization) standard. In addition, various softwares are being developed which, using mathematical models, simulate aircraft movement along the measured profile, and thus determine the parameters related to longitudinal roughness of the surface. This paper presents the methods and their application on a concrete example of an airport runway pavement.
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