Retaining walls in Dublin Boulder Clay, Ireland
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|Title:||Retaining walls in Dublin Boulder Clay, Ireland||Authors:||Long, Michael (Michael M.)
Menkiti, Christopher O.
|Permanent link:||http://hdl.handle.net/10197/4170||Date:||Jan-2012||Online since:||2013-03-14T15:07:08Z||Abstract:||A good number of deep excavations have been recently completed in Dublin Boulder Clay, Ireland. These have included propped walls up to 25 m deep and permanent cantilevers 7.5 m high. Experience elsewhere in the world was used to design and construct these walls. However, case history data have shown that the behaviour of the walls in Dublin Boulder Clay is very rigid and much stiffer than comparable systems worldwide. It appears this behaviour is due to the inherent natural strength and stiffness of the soil and the slow dissipation of excavation induced depressed pore pressures or suctions. There appears to be scope for developing more efficient designs and in particular for reducing propping requirements. For temporary works, the use of undrained parameters in serviceability limit state calculations together with implementation of the observational approach on site could be considered for future schemes.||Type of material:||Journal Article||Publisher:||Institution of Civil Engineers||Journal:||Proceedings of the ICE - Geotechnical Engineering||Volume:||165||Issue:||4||Start page:||247||End page:||266||Copyright (published version):||2012, ICE Publishing Ltd||Keywords:||Excavation; Retaining walls; Field testing & monitoring||DOI:||10.1680/geng.9.00091||Language:||en||Status of Item:||Peer reviewed|
|Appears in Collections:||Civil Engineering Research Collection|
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