Permeability Characterization of Clay Under Different Hydraulic Gradient

  • Olusegun AlabiEmail author
Conference paper
Part of the Sustainable Civil Infrastructures book series (SUCI)


The study presents the results of vertical infiltration on saturated clay of three different particle of sizes 0.01, 0.001 and 0.002 mm under different hydraulic gradients. A range of hydraulic gradients were achieved by varying the clay length, L in respect to head, h in the permeameter. The aim of the study is to establish a model to determine the saturated hydraulic conductivity vis-à-vis permeability of soils as a function of time, for accurate estimate of volume of water available for plant growth in surface irrigation. The equations obtained show that permeability \( K - t \) curves show that the declination of permeability will never be zero, except at an initial state or stage before the commencement of infiltration process. This equation from the hydraulic conductivity – time (K – t) curve is simple and practically useful for the determination of permeability at a particular time.


Infiltration Permeability Hydraulic gradient Volume flux Time 


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Solid Earth Physics Research Laboratory, Department of Mathematical and Physical SciencesOsun State UniversityOsogboNigeria

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