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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 28
Edited by: M. Papadrakakis and B.H.V. Topping
Paper V.2

The Numerical Analysis of Precast Concrete Pavement Units used for Aircraft Runway Intersections

J.W. Bull and C.H. Woodford

Department of Civil Engineering, University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom

Full Bibliographic Reference for this paper
J.W. Bull, C.H. Woodford, "The Numerical Analysis of Precast Concrete Pavement Units used for Aircraft Runway Intersections", in M. Papadrakakis, B.H.V. Topping, (Editors), "Computational Structural Engineering for Practice", Civil-Comp Press, Edinburgh, UK, pp 157-163, 1994. doi:10.4203/ccp.28.5.2
In this paper, consideration is given to the analysis of precast concrete pavement units used as surfacing at the intersection of two airport runways. The on-site requirements were that the runway intersection could only be closed for up to eight hours in any one day. In the eight hours, an area approximately 7750mm square in the existing runway intersection concrete slab had to be saw cut, broken out and replaced with a precast concrete pavement unit [PCPU] that allowed overrunning by any type of aircraft now in service. The solution adopted is described. The finite element analysis of the replaced area shows that a considerable increase in aircraft numbers and loading can be sustained. The limiting factors are more likely to be the strengths of the subbase and the subgrade. The development of a rapid runway repair technique for civilian airports, using PCPU's should be further researched.

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