A field investigation of vertical footing response on sand

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Title: A field investigation of vertical footing response on sand
Authors: Gavin, Kenneth
Adekunte, Abidemi
O'Kelly, Brendan C.
Permanent link: http://hdl.handle.net/10197/2437
Date: Oct-2009
Abstract: This paper presents the results from an experimental programme that studied the factors affecting the bearing resistance of shallow footings in sand. In particular, the tests considered the effects of the footing width and embedment depth on the pressure-settlement response. By comparing the results with field tests on full-scale footings, simple correlations between the bearing pressure mobilised at normalised settlement levels of 5% and 10% of the footing width and the Cone Penetration Test qc value were studied. These correlations were found to be independent of footing size, embedment depth and sand state, although they were affected by creep. The rate of mobilisation of the footing resistance at low settlements was found to be strongly dependent on the initial soil state and the previous loading history. A simple nonlinear elastic soil model was found to adequately predict this response.
Funding Details: Other funder
Type of material: Journal Article
Publisher: Institution of Civil Engineers/Thomas Telford Publishing
Keywords: Shallow footing;Dense sand;Cone penetration test;Foundations;Geotechnical engineering
Subject LCSH: Foundations--Testing
Engineering geology
Concrete footings--Testing
Sand--Testing
Soil penetration test
DOI: 10.1680/geng.2009.162.5.257
Language: en
Status of Item: Peer reviewed
Appears in Collections:Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection

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