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Proceedings Paper

Nondestructive evaluation of frost heave effects on a runway
Author(s): Carl A. Lenngren
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Paper Abstract

An Airport located inland central Sweden is susceptible to frost heave. The runway is uneven especially at the end of each winter. The Swedish Road and Transportation Institute Laser Profiler was brought to the site in the spring of 1997 in order to study this seasonal effect. Several longitudinal profiles were sampled along the entire length of the runway. The test was then repeated in the fall when the runway had settled. The profiles were then investigated to see if certain criteria were fulfilled, like the International Civil Aviation Organization straightedge guideline. Several different wavelength intervals of unevenness were also examined. It was found that the frost heave affected certain wavelength bands more than others. It was also possible to determine exactly where the most troublesome spots were located and if they would adversely interfere with an expansion of the runway. Data from the profile could also serve as help in preparing guidelines for safety rules related to roughness.

Paper Details

Date Published: 31 March 1998
PDF: 16 pages
Proc. SPIE 3397, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware II, (31 March 1998); doi: 10.1117/12.305052
Show Author Affiliations
Carl A. Lenngren, Swedish National Road Administration (Sweden)

Published in SPIE Proceedings Vol. 3397:
Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware II
Glenn A. Geithman; Gary E. Georgeson, Editor(s)

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