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Fatigue life of subgrade in the cone of disturbance following an underground explosion

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

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Abstract

This paper considers the fatigue life of the subgrade beneath a cement concrete runway when an explosive has detonated at a number of depths in the subgrade and has formed a camouflet. Where the Young's modulus of the subgrade has increased the fatigue life of the subgrade has also, in general, increased. Where the Young's modulus has reduced the fatigue life has also reduced. As the depth of detonation increases the fatigue life, in general reduces. Consequently, following a detonation the runway repair team must determine the subgrade material property characteristics, to estimate accurately the remaining subgrade fatigue life. (C) 2004 Civil-Comp Ltd. and Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Bull JW, Woodford CH

Publication type: Article

Publication status: Published

Journal: Computers & Structures

Year: 2004

Volume: 82

Issue: 23-26

Pages: 2041-2048

ISSN (print): 0045-7949

ISSN (electronic): 1879-2243

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.compstruc.2003.10.025

DOI: 10.1016/j.compstruc.2003.10.025

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