Impact of storage coefficient on numerical modelling of trench drainage

Maria Mavroulidou; M. J. Gunn; R. I. Woods

doi:10.1016/j.compgeo.2003.09.003

Impact of storage coefficient on numerical modelling of trench drainage

Maria Mavroulidou, M. J. Gunn, R. I. Woods

London South Bank University

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The present paper deals with the numerical modelling of trench drainage in variably saturated porous media. In particular, the effect of the unsaturated storage coefficient form on the rate of transient seepage into the trench is investigated. Several numerical analyses are performed for two different soil types. The numerical results derived using a pressure head-dependent storage coefficient, are compared to those derived using constant storage coefficients. It is shown that simplifying assumptions using constant storage coefficients may predict too fast drainage rates.

Original language	English
Pages (from-to)	683-693
Number of pages	11
Journal	Computers and Geotechnics
Volume	30
Issue number	8
DOIs	https://doi.org/10.1016/j.compgeo.2003.09.003
Publication status	Published - Dec 2003

Keywords

Numerical modelling
Storage coefficient
Transient response
Trench drains
Variably saturated soil

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10.1016/j.compgeo.2003.09.003

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abstract = "The present paper deals with the numerical modelling of trench drainage in variably saturated porous media. In particular, the effect of the unsaturated storage coefficient form on the rate of transient seepage into the trench is investigated. Several numerical analyses are performed for two different soil types. The numerical results derived using a pressure head-dependent storage coefficient, are compared to those derived using constant storage coefficients. It is shown that simplifying assumptions using constant storage coefficients may predict too fast drainage rates.",

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AB - The present paper deals with the numerical modelling of trench drainage in variably saturated porous media. In particular, the effect of the unsaturated storage coefficient form on the rate of transient seepage into the trench is investigated. Several numerical analyses are performed for two different soil types. The numerical results derived using a pressure head-dependent storage coefficient, are compared to those derived using constant storage coefficients. It is shown that simplifying assumptions using constant storage coefficients may predict too fast drainage rates.

KW - Numerical modelling

KW - Storage coefficient

KW - Transient response

KW - Trench drains

KW - Variably saturated soil

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ER -

Impact of storage coefficient on numerical modelling of trench drainage

Abstract

Keywords

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