Constraints in using site-won calcareous clayey silt (loam) as fill materials

Book chapter


Assadi Langroudi, A. and Jefferson, I. 2015. Constraints in using site-won calcareous clayey silt (loam) as fill materials. in: Winter, M. G., Smith, D. M., Eldred, P. J. L. and Toll, D. G. (ed.) Geotechnical Engineering for Infrastructure and Development ICE Publishing (Institute of Civil Engineers). pp. 1947-1952
AuthorsAssadi Langroudi, A. and Jefferson, I.
EditorsWinter, M. G., Smith, D. M., Eldred, P. J. L. and Toll, D. G.
Abstract

BSI recently published the revised BS 6031, to include compliance with Eurocode 7. This placed emphasis on fill classification
and compaction specifications, while setting the Specification for Highway Works (SHW) 600 series as the default approach for
earthworks in the UK. The revised BS 6031 (and earlier documents such as the 2001 manual of BRE Centre for Ground Engineering and
Remediation) lack in explaining long-term ground movements in compacted earthworks, particularly when arisings from nearby cuttings
are used as fill materials. Unexplained settlements include sudden and long-term subsidence particularly in transient loading environments,
when fills are built from sand/silts with small clay inclusions, as well as seasonal subsidence in fills with <20% carbonates. This paper examines
some of these limitations through revisiting our recent research, including a recent experimental work. From this paper, specifications
can be developed for building fills with site-won materials with an impact on carbon footprint, haulage and maintenance costs.

Book titleGeotechnical Engineering for Infrastructure and Development
Page range1947-1952
Year2015
PublisherICE Publishing (Institute of Civil Engineers)
Publication dates
Print11 Sep 2015
Publication process dates
Deposited12 Apr 2016
EventXVI European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE)
ISBN978-0-7277-6067-8
Web address (URL)http://www.icevirtuallibrary.com/doi/abs/10.1680/ecsmge.60678.vol4.293
Publisher's version
License
CC BY-NC-ND
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