Loughborough University
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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/3547

Title: Performance parameters and target values for construction of UK road foundations
Authors: Fleming, Paul R.
Rogers, C.D.F.
Frost, Matthew W.
Keywords: Foundation
Insitu stiffness
Issue Date: 1998
Publisher: © Tapir Academic Press
Citation: FLEMING, P.R., ROGERS, C.D.F. and FROST, M.W., 1998. Performance parameters and target values for construction of UK road foundations. IN: Nordal, R.S. and Refsdal, G. (eds.). Proceedings of the 5th International Conference on the Bearing Capacity of Roads and Airfields, Norwegian University of Science and Technology, Trondheim, Norway, Vol. 3, pp.1491-1501
Abstract: There is impetus in the UK to move away from empirical design of road foundations and method specification towards analytical design assured by end product testing during construction. Current research at Loughborough University, sponsored by the Highways Agency, is aimed at introducing such a performance based specification. This paper introduces the philosophy behind the research and explains the primary objectives. Selective results are presented from a full-scale field trial construction of a road foundation on a soft subgrade, which was characterised by a variety of field devices and subsequently trafficked. This paper focuses on insitu stiffness modulus (ER), measured by several devices for comparison. The setting of suitable target values for field ER is seen as a key factor and the influence of inherent variability in material response a concern. The discrepancy between devices and the problem of long-term stability are discussed and highlighted as a key focus for the remainder of the work.
Description: This is a conference paper.
URI: https://dspace.lboro.ac.uk/2134/3547
ISBN: 9788251913461
Appears in Collections:Conference Papers and Presentations (Architecture, Building and Civil Engineering)

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