Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir

Plain reservoir plays an important role in alleviating water shortage in plain areas which are generally crowded with large populations. As an effective and cheap anti-seepage measure, geomembrane is widely applied in plain reservoirs. Therefore, it is necessary to investigate the seepage discharge...

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Autores principales:	Luo Jinping, Huang Guoxiang, Shao Yanni, Liu Jian, Xie Quanyi
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	composite geomembrane leakage plain reservoir numerical simulation Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/413c75add7084f1a96d759612cdffd71
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spelling	oai:doaj.org-article:413c75add7084f1a96d759612cdffd712021-12-05T14:10:48ZLaboratory test and numerical simulation of composite geomembrane leakage in plain reservoir2391-544710.1515/geo-2020-0247https://doaj.org/article/413c75add7084f1a96d759612cdffd712021-05-01T00:00:00Zhttps://doi.org/10.1515/geo-2020-0247https://doaj.org/toc/2391-5447Plain reservoir plays an important role in alleviating water shortage in plain areas which are generally crowded with large populations. As an effective and cheap anti-seepage measure, geomembrane is widely applied in plain reservoirs. Therefore, it is necessary to investigate the seepage discharge caused by composite geomembrane leakage. The laboratory test and numerical calculation are carried out in this paper to analyze the influence of three factors (i.e., water head, leakage size, and leakage location) on seepage discharge. It is found from the results of the orthogonal and single-factor analysis that the impact order of the three factors on the seepage discharge of plain reservoir is: distance from dam toe > water head > leakage size. Moreover, the seepage discharge increases as the water head, leakage size, and leakage quantity increase, in a linear relation. The opposite trend can be sawed in the seepage discharge when the distance from dam toe rises. Furthermore, a threshold distance is innovatively presented based on the results of numerical analysis. The ranking of three factors has enlightening significance for future scholars to track and study key issues of the leakage of composite geomembrane. The threshold distance presented in this paper is beneficial for engineers to manage and maintain the reservoir. Generally, the findings of this study can be beneficial to deepen the understanding of the influence of composite geomembrane leakage on the plain reservoirs.Luo JinpingHuang GuoxiangShao YanniLiu JianXie QuanyiDe Gruyterarticlecomposite geomembraneleakageplain reservoirnumerical simulationGeologyQE1-996.5ENOpen Geosciences, Vol 13, Iss 1, Pp 651-662 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	composite geomembrane leakage plain reservoir numerical simulation Geology QE1-996.5
spellingShingle	composite geomembrane leakage plain reservoir numerical simulation Geology QE1-996.5 Luo Jinping Huang Guoxiang Shao Yanni Liu Jian Xie Quanyi Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
description	Plain reservoir plays an important role in alleviating water shortage in plain areas which are generally crowded with large populations. As an effective and cheap anti-seepage measure, geomembrane is widely applied in plain reservoirs. Therefore, it is necessary to investigate the seepage discharge caused by composite geomembrane leakage. The laboratory test and numerical calculation are carried out in this paper to analyze the influence of three factors (i.e., water head, leakage size, and leakage location) on seepage discharge. It is found from the results of the orthogonal and single-factor analysis that the impact order of the three factors on the seepage discharge of plain reservoir is: distance from dam toe > water head > leakage size. Moreover, the seepage discharge increases as the water head, leakage size, and leakage quantity increase, in a linear relation. The opposite trend can be sawed in the seepage discharge when the distance from dam toe rises. Furthermore, a threshold distance is innovatively presented based on the results of numerical analysis. The ranking of three factors has enlightening significance for future scholars to track and study key issues of the leakage of composite geomembrane. The threshold distance presented in this paper is beneficial for engineers to manage and maintain the reservoir. Generally, the findings of this study can be beneficial to deepen the understanding of the influence of composite geomembrane leakage on the plain reservoirs.
format	article
author	Luo Jinping Huang Guoxiang Shao Yanni Liu Jian Xie Quanyi
author_facet	Luo Jinping Huang Guoxiang Shao Yanni Liu Jian Xie Quanyi
author_sort	Luo Jinping
title	Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
title_short	Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
title_full	Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
title_fullStr	Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
title_full_unstemmed	Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
title_sort	laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/413c75add7084f1a96d759612cdffd71
work_keys_str_mv	AT luojinping laboratorytestandnumericalsimulationofcompositegeomembraneleakageinplainreservoir AT huangguoxiang laboratorytestandnumericalsimulationofcompositegeomembraneleakageinplainreservoir AT shaoyanni laboratorytestandnumericalsimulationofcompositegeomembraneleakageinplainreservoir AT liujian laboratorytestandnumericalsimulationofcompositegeomembraneleakageinplainreservoir AT xiequanyi laboratorytestandnumericalsimulationofcompositegeomembraneleakageinplainreservoir
_version_	1718371717198381056

Laboratory test and numerical simulation of composite geomembrane leakage in plain reservoir

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