Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams

Tires waste is an undesirable urban industry surplus that has grown worldwide yearly. Because of its seals, this material may be used in earth dams, one option for disposing of this waste. Since this is the main objective of this study, an experiment on a soil sample with various ratios of rubber po...

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Main Authors: Shuhaib Zahraa Khalid, Khassaf Saleh Issa
Format: Article
Language:English
Published: De Gruyter 2023-06-01
Series:Open Engineering
Subjects:
Online Access:https://doi.org/10.1515/eng-2022-0422
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author Shuhaib Zahraa Khalid
Khassaf Saleh Issa
author_facet Shuhaib Zahraa Khalid
Khassaf Saleh Issa
author_sort Shuhaib Zahraa Khalid
collection DOAJ
description Tires waste is an undesirable urban industry surplus that has grown worldwide yearly. Because of its seals, this material may be used in earth dams, one option for disposing of this waste. Since this is the main objective of this study, an experiment on a soil sample with various ratios of rubber powder has been conducted to better comprehend the impact of tire rubber powder (TRP) on the seepage rate in earthen dams. This study used physical and numerical models to investigate seepage through earth dams. Analysis indicates that the plotted seepage line in SEEP/W software was comparable to the observed seepage line in the physical model. TRP was tested at concentrations of 15, 30, and 50%. The research demonstrates that there has been a noticeable improvement in reducing the seepage rate through the dam’s body; seepage was decreased by 11.28% when a 15% ratio was adopted, a far smaller impact than the other percentages. The proportion was consequently raised to 30%. The seepage rate was found to be reduced by 35.6%, and TRP with a 50% ratio showed excellent behavior in lowering the water level (phreatic line) from the core point to the downstream face D/S and reducing the seepage rate by 41.5%, producing significantly better results. The findings in SEEP/W software indicate that the relative error in seepage rate varies, averaging 11.8% for the first model, 12.18% for the second, 1.65% for the third, and 7.63% for the fourth. The first and second physical models’ seepage rate (relative inaccuracy) dramatically increased as a result of the presence of piping.
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spelling doaj.art-c790e21ff3dc48198d90664b89a308502023-06-26T10:46:31ZengDe GruyterOpen Engineering2391-54392023-06-0113149550010.1515/eng-2022-0422Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth damsShuhaib Zahraa Khalid0Khassaf Saleh Issa1Civil Engineering Department, University of Basrah, Basrah, IraqCivil Engineering Department, University of Basrah, Basrah, IraqTires waste is an undesirable urban industry surplus that has grown worldwide yearly. Because of its seals, this material may be used in earth dams, one option for disposing of this waste. Since this is the main objective of this study, an experiment on a soil sample with various ratios of rubber powder has been conducted to better comprehend the impact of tire rubber powder (TRP) on the seepage rate in earthen dams. This study used physical and numerical models to investigate seepage through earth dams. Analysis indicates that the plotted seepage line in SEEP/W software was comparable to the observed seepage line in the physical model. TRP was tested at concentrations of 15, 30, and 50%. The research demonstrates that there has been a noticeable improvement in reducing the seepage rate through the dam’s body; seepage was decreased by 11.28% when a 15% ratio was adopted, a far smaller impact than the other percentages. The proportion was consequently raised to 30%. The seepage rate was found to be reduced by 35.6%, and TRP with a 50% ratio showed excellent behavior in lowering the water level (phreatic line) from the core point to the downstream face D/S and reducing the seepage rate by 41.5%, producing significantly better results. The findings in SEEP/W software indicate that the relative error in seepage rate varies, averaging 11.8% for the first model, 12.18% for the second, 1.65% for the third, and 7.63% for the fourth. The first and second physical models’ seepage rate (relative inaccuracy) dramatically increased as a result of the presence of piping.https://doi.org/10.1515/eng-2022-0422tire rubber powderearth damsphreatic lineseepagesustainable developmentseep/w software
spellingShingle Shuhaib Zahraa Khalid
Khassaf Saleh Issa
Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
Open Engineering
tire rubber powder
earth dams
phreatic line
seepage
sustainable development
seep/w software
title Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
title_full Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
title_fullStr Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
title_full_unstemmed Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
title_short Experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
title_sort experimental and numerical evaluation of tire rubber powder effectiveness for reducing seepage rate in earth dams
topic tire rubber powder
earth dams
phreatic line
seepage
sustainable development
seep/w software
url https://doi.org/10.1515/eng-2022-0422
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AT khassafsalehissa experimentalandnumericalevaluationoftirerubberpowdereffectivenessforreducingseepagerateinearthdams