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Influence of Sediments on Permeability of Recharge Well with Filter Layer during Artificial Recharge of Groundwater

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Abstract:

A kind of recharge well with filter layer exists in recharge engineering of Wanghe groundwater reservoir in Laizhou city of China. During artificial recharge of groundwater, layered sediments will silt in the surface layer of recharge well with filter layer. Through doing vertical permeability test of combined soil specimen of silt and sand, we simulate permeability influence to filter layer of recharge well with filter layer during artificial recharge of groundwater. The test indicates that silt reduces permeability of filter layer and recharge capacity of recharge well with filter layer. Also we discover that there are errors in theoretical calculated value of coefficient of permeability for combined soil specimen by the formula of equivalent coefficient of permeability in layered soil, which need to be corrected.

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Periodical:

Advanced Materials Research (Volumes 255-260)

Pages:

2806-2809

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.255-260.2806

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Cite this paper

Online since:

May 2011

Authors:

Wang Lin Li, Ying Te Li

Keywords:

Combined Soil Specimen of Silt and Sand, Equivalent Coefficient of Permeability, Recharge Well with Filter Layer, Sediment

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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References

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