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Article Dans Une Revue Canadian Geotechnical Journal Année : 2011

Study on the hydraulic conductivity of Boom clay

Anh Minh A.M. Tang
Yu-Jun Cui
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Xiang-Ling Li
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The hydraulic conductivity is a key parameter in geotechnical engineering practice for the seepage and consolidation analysis. Experimental results show that the hydraulic conductivity is mainly governed by the soil porosity, and the correlations with void ratio are usually proposed. The validity of these correlations has been verified for soft clays and sands. However, few studies were involved in stiff clays. In this work, the hydraulic conductivity of Boom clay, a stiff clay taken from the Essen site in Belgium, was determined from both consolidation and constant-head percolation tests. The data obtained was then analyzed to evaluate the existing correlations to predict the hydraulic conductivity. In addition, as these correlations usually require a referred hydraulic conductivity at a known void ratio, it is often difficult to be used in practice. Thus, a new method was developed allowing the prediction of hydraulic conductivity without the referred value, which was based on two existing correlations and involved the void ratio and the liquid limit. The proposed correlation was verified using the experimental results obtained from Boom clay samples which were collected from various locations in Belgium.
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Dates et versions

hal-00629896 , version 1 (06-10-2011)



Yongfeng Deng, Anh Minh A.M. Tang, Yu-Jun Cui, Xiang-Ling Li. Study on the hydraulic conductivity of Boom clay. Canadian Geotechnical Journal, 2011, 48, pp.1461-1470. ⟨10.1139/T11-048⟩. ⟨hal-00629896⟩
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