Vertical Barriers for Land Contamination Containment: A Review.

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cam.issuedOnline2021-11-30
dc.contributor.authorCao, Benyi
dc.contributor.authorXu, Jian
dc.contributor.authorWang, Fei
dc.contributor.authorZhang, Yunhui
dc.contributor.authorO'Connor, David
dc.contributor.orcidCao, Benyi [0000-0003-1885-7152]
dc.date.accessioned2021-12-22T15:06:55Z
dc.date.available2021-12-22T15:06:55Z
dc.date.issued2021-11-30
dc.date.updated2021-12-22T15:06:54Z
dc.description.abstractSoil pollution is one of the major threats to the environment and jeopardizes the provision of key soil ecosystem services. Vertical barriers, including slurry trench walls and walls constructed with soil mix technology, have been employed for decades to control groundwater flow and subsurface contaminant transport. This paper comprehensively reviewed and assessed the typical materials and mechanical and permeability properties of soil-bentonite, cement-bentonite and soil mix barriers, with the values of mix design and engineering properties summarized and compared. In addition, the damage and durability of barrier materials under mechanical, chemical, and environmental stresses were discussed. A number of landmark remediation projects were documented to demonstrate the effectiveness of the use of barrier systems. Recent research about crack-resistant and self-healing barrier materials incorporating polymers and minerals at Cambridge University and performance monitoring techniques were analyzed. Future work should focus on two main areas: the use of geophysical methods for non-destructive monitoring and the optimization of resilient barrier materials.
dc.identifier.doi10.17863/CAM.79156
dc.identifier.eissn1660-4601
dc.identifier.issn1661-7827
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/331706
dc.languageen
dc.publisherMDPI AG
dc.publisher.urlhttp://dx.doi.org/10.3390/ijerph182312643
dc.subjectcut-off wall
dc.subjectin-ground barrier
dc.subjectland contamination
dc.subjectresilient material
dc.subjectsoil pollution
dc.subjectEcosystem
dc.subjectEnvironmental Pollution
dc.subjectGroundwater
dc.subjectHumans
dc.subjectSoil
dc.subjectWater Pollutants, Chemical
dc.titleVertical Barriers for Land Contamination Containment: A Review.
dc.typeArticle
dcterms.dateAccepted2021-11-03
prism.issueIdentifier23
prism.publicationNameInt J Environ Res Public Health
prism.volume18
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/P02081X/1)
rioxxterms.licenseref.urihttps://creativecommons.org/licenses/by/4.0/
rioxxterms.versionVoR
rioxxterms.versionofrecord10.3390/ijerph182312643
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