Journal
COMPUTERS AND GEOTECHNICS
Volume 113, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2019.103099
Keywords
Finite difference method; Multivariate adaptive regression splines; Uplift displacement; Liquefaction; Centrifuge tests
Categories
Funding
- Project of Tianjin Science and Technology Plan [16YDLJSF00040]
- National Natural Science Foundation of China [51708405, 41630641]
- National Key R&D Program of China [2017YFC0805407]
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Underground structures located in areas with saturated soil are vulnerable to floating behaviour during earthquakes. This article aims to develop a simple approach for estimating the uplift displacement of underground structures. A large number of artificial data are generated using the finite difference method. These data, consisting of various features of structures, soils, and earthquakes, provide the basis for the development of a multivariate adaptive regression spline (MARS) model. The relative importance is used to quantitatively investigate the influence of each parameter and coupled interaction on the results. The developed method is validated through centrifuge tests.
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