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Numerical modelling of crater repairs in airfield runways

Lookup NU author(s): Dr John Bull, Dr Chris Woodford

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Abstract

This paper describes the numerical modelling of the repair of an explosively formed crater. The crater is repaired by infilling with compacted material and covering the repair with a layer of rapid setting flood grout concrete. The paper suggests minimum Young's modulus requirements for the crater infill and for the flood grout. The results show that a load distributed between two wheels produces lower runway deflections and stresses than the same load on a single wheel. Three further research areas are identified: first, laboratory testing of flood grout less than 1 h old; second, the establishment of the relationship between the Young's modulus, compressive strength and flexural strength of the flood grout up to 28 days old; and third, the interface effects between the crater repair and the existing runway.

Publication metadata

Author(s): Woodford CH; Bull JW

Publication type: Article

Publication status: Published

Journal: Computers and Structures

Year: 1999

Volume: 73

Issue: 1-5

Pages: 341-353

Print publication date: 11/11/1999

ISSN (print): 0045-7949

ISSN (electronic): 1879-2243

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/S0045-7949(98)00263-6

DOI: 10.1016/S0045-7949(98)00263-6

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