A long term evaluation of circular mat foundations on clay deposits using fractional derivatives

Publication Type:
Journal Article
Citation:
Computers and Geotechnics, 2018, 94 pp. 72 - 82
Issue Date:
2018-02-01
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© 2017 Elsevier Ltd This study proposes to use fractional derivatives to evaluate the long term performance of circular mat foundations overlying clays and also predict the associated ground settlement. Closed form solutions for the deflection and bending moment of foundations and the subsequent reaction of subgrade are obtained with the Mittag–Leffler function. Numerical examples are used to determine how the fractional order affects the time dependent properties of the foundation and ground settlement, and to simulate the case history of a large standpipe constructed over Tertiary sediments. New insights into design and prediction of shallow foundations and ground settlement are also discussed.
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