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Numerical Simulation and Experiment Study on the Characteristics of Non-Darcian Flow and Rheological Consolidation of Saturated Clay

1
School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
2
School of Water Conservancy and Environment, Zhengzhou University, Zhengzhou 450001, China
*
Authors to whom correspondence should be addressed.
Water 2019, 11(7), 1385; https://doi.org/10.3390/w11071385
Received: 18 May 2019 / Revised: 27 June 2019 / Accepted: 29 June 2019 / Published: 5 July 2019
(This article belongs to the Special Issue Soil Sciences and Water Table)
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Abstract

To investigate the characteristics of the non-Darcian water flow through saturated clay and one-dimensional rheological consolidation behaviors of the soil in the Henan Province, we conducted constant-head permeability and one-dimensional rheological consolidation tests with one-way drainage using improved permeameter and oedometer tests, respectively. We then used Hansbo’s flow equation to classify the permeability test results and one-dimensional rheological consolidation equation combined with unified hardening (UH) constitutive model considering time effect was introduced to simulate the oedometer test results. The obtained results showed that the improved constant-head permeability test device was suitable for saturated clays, and that the UH constitutive model and Hansbo’s flow equation had good applications for the saturated clays investigated in this experiment. View Full-Text
Keywords: soil mechanics; saturated clay; non-Darcian flow; rheological consolidation; permeability soil mechanics; saturated clay; non-Darcian flow; rheological consolidation; permeability
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Liu, Z.; Xia, Y.; Shi, M.; Zhang, J.; Zhu, X. Numerical Simulation and Experiment Study on the Characteristics of Non-Darcian Flow and Rheological Consolidation of Saturated Clay. Water 2019, 11, 1385.

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