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Abstract:
Vegetation reduces soil pore-water pressure (PWP) through root water uptake. There are limited studies about the effects of vegetation on PWP distributions in layered soil, such as multilayered earthen landfill cover. New analytical solutions for vertical water flow in vegetated layered soil at steady state are derived considering various root architectures, including exponential, parabolic, triangular, and uniform roots. The solutions are verified through (1) hypothetical vegetated layered soil using numerical seepage analyses and (2) a soil column test investigating PWP distributions in vegetated layered soil. The new solutions are capable of determining PWP distributions for both inside and outside root zone in vegetated layered soil. These solutions provide a relatively simple and reliable approach for estimation of PWP distributions in vegetated layered soil.
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Source :
INTERNATIONAL JOURNAL OF GEOMECHANICS
ISSN: 1532-3641
Year: 2019
Issue: 2
Volume: 19
2 . 5 8 9
JCR@2019
3 . 3 0 0
JCR@2023
ESI Discipline: ENGINEERING;
ESI HC Threshold:150
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 13
SCOPUS Cited Count: 16
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3