Test field study of different cover sealing systems for industrial dumps and polluted sites
Identifieur interne : 001C81 ( Main/Exploration ); précédent : 001C80; suivant : 001C82Test field study of different cover sealing systems for industrial dumps and polluted sites
Auteurs : J.-F. Wagner [Allemagne] ; C. Schnatmeyer [Allemagne]Source :
- Applied clay science [ 0169-1317 ] ; 2002.
Descripteurs français
- Pascal (Inist)
- Décharge déchet, Etude terrain, Terrain couverture, Etanchement, Remblaiement, Poussière, Epaisseur, Efficacité, Argile, Objectif, Evaluation, Drainage, Sol, Capacité rétention, Ruissellement, Perméabilité, Précipitation atmosphérique, Barrière capillaire, Dessiccation, Géosynthétique, Barrière déchet.
- Wicri :
English descriptors
- KwdEn :
Abstract
Six test fields (3 × 15 m) with an inclination of 5% have been set up on a landfill for blast furnace dust. A 75-cm thick covering layer (recultivating layer) had been the same for all test fields. The efficiency of different sealing layers (clay liner, geosynthetic clay liner, capillary barrier and the blast furnace dust itself) had been investigated for more than 2 years. The objective of this study was to obtain, under natural conditions, data on the water regimen and the motion of the water in surface sealing systems and to perform a comparative evaluation regarding effectiveness and economic efficiency. It could be shown that a kind of capillary barrier effect above an underlying drainage layer can be obtained by an adequate choice of soils with a high field capacity and thus inducing an important runoff in the recultivating layer. The geosynthetic clay liner and the 30-cm thick clay liner with an overlying drainage were the only systems to meet the permeability requirements (k value<5 X 10-9 m/s) of the German regulatory standards. The geosynthetic clay liner showed a slight increase in permeability in the second year due to cation exchange processes, whereas a clay liner without overlying drainage failed totally because of a distinct desiccation behaviour.
Affiliations:
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Schnatmeyer</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Geology Department, Faculty VI, University of Trier, Behringstrasse</s1><s2>54286 Trier</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>54286 Trier</wicri:noRegion><wicri:noRegion>Behringstrasse</wicri:noRegion><wicri:noRegion>54286 Trier</wicri:noRegion><orgName type="university">Université de Trèves</orgName><placeName><settlement type="city">Trèves (Allemagne)</settlement><region type="land" nuts="1">Rhénanie-Palatinat</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">02-0234697</idno><date when="2002">2002</date><idno type="stanalyst">PASCAL 02-0234697 INIST</idno><idno type="RBID">Pascal:02-0234697</idno><idno type="wicri:Area/PascalFrancis/Corpus">000D64</idno><idno type="wicri:Area/PascalFrancis/Curation">000172</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000A68</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000A68</idno><idno type="wicri:doubleKey">0169-1317:2002:Wagner J:test:field:study</idno><idno type="wicri:Area/Main/Merge">001F33</idno><idno type="wicri:Area/Main/Curation">001C81</idno><idno type="wicri:Area/Main/Exploration">001C81</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Test field study of different cover sealing systems for industrial dumps and polluted sites</title><author><name sortKey="Wagner, J F" sort="Wagner, J F" uniqKey="Wagner J" first="J.-F." last="Wagner">J.-F. Wagner</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Geology Department, Faculty VI, University of Trier, Behringstrasse</s1><s2>54286 Trier</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>54286 Trier</wicri:noRegion><wicri:noRegion>Behringstrasse</wicri:noRegion><wicri:noRegion>54286 Trier</wicri:noRegion><orgName type="university">Université de Trèves</orgName><placeName><settlement type="city">Trèves (Allemagne)</settlement><region type="land" nuts="1">Rhénanie-Palatinat</region></placeName></affiliation></author><author><name sortKey="Schnatmeyer, C" sort="Schnatmeyer, C" uniqKey="Schnatmeyer C" first="C." last="Schnatmeyer">C. Schnatmeyer</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Geology Department, Faculty VI, University of Trier, Behringstrasse</s1><s2>54286 Trier</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>54286 Trier</wicri:noRegion><wicri:noRegion>Behringstrasse</wicri:noRegion><wicri:noRegion>54286 Trier</wicri:noRegion><orgName type="university">Université de Trèves</orgName><placeName><settlement type="city">Trèves (Allemagne)</settlement><region type="land" nuts="1">Rhénanie-Palatinat</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Applied clay science</title><title level="j" type="abbreviated">Appl. clay sci.</title><idno type="ISSN">0169-1317</idno><imprint><date when="2002">2002</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Applied clay science</title><title level="j" type="abbreviated">Appl. clay sci.</title><idno type="ISSN">0169-1317</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>atmospheric precipitation</term><term>clay</term><term>desiccation</term><term>disposal barriers</term><term>drainage</term><term>dust</term><term>efficiency</term><term>evaluation</term><term>field capacity</term><term>field studies</term><term>geosynthetics</term><term>landfills</term><term>objectives</term><term>overburden</term><term>permeability</term><term>runoff</term><term>sealing</term><term>soils</term><term>thickness</term><term>waste disposal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Décharge déchet</term><term>Etude terrain</term><term>Terrain couverture</term><term>Etanchement</term><term>Remblaiement</term><term>Poussière</term><term>Epaisseur</term><term>Efficacité</term><term>Argile</term><term>Objectif</term><term>Evaluation</term><term>Drainage</term><term>Sol</term><term>Capacité rétention</term><term>Ruissellement</term><term>Perméabilité</term><term>Précipitation atmosphérique</term><term>Barrière capillaire</term><term>Dessiccation</term><term>Géosynthétique</term><term>Barrière déchet</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Poussière</term><term>Drainage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Six test fields (3 × 15 m) with an inclination of 5% have been set up on a landfill for blast furnace dust. A 75-cm thick covering layer (recultivating layer) had been the same for all test fields. The efficiency of different sealing layers (clay liner, geosynthetic clay liner, capillary barrier and the blast furnace dust itself) had been investigated for more than 2 years. The objective of this study was to obtain, under natural conditions, data on the water regimen and the motion of the water in surface sealing systems and to perform a comparative evaluation regarding effectiveness and economic efficiency. It could be shown that a kind of capillary barrier effect above an underlying drainage layer can be obtained by an adequate choice of soils with a high field capacity and thus inducing an important runoff in the recultivating layer. The geosynthetic clay liner and the 30-cm thick clay liner with an overlying drainage were the only systems to meet the permeability requirements (k value<5 X 10<sup>-9</sup> m/s) of the German regulatory standards. The geosynthetic clay liner showed a slight increase in permeability in the second year due to cation exchange processes, whereas a clay liner without overlying drainage failed totally because of a distinct desiccation behaviour.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Rhénanie-Palatinat</li></region><settlement><li>Trèves (Allemagne)</li></settlement><orgName><li>Université de Trèves</li></orgName></list><tree><country name="Allemagne"><region name="Rhénanie-Palatinat"><name sortKey="Wagner, J F" sort="Wagner, J F" uniqKey="Wagner J" first="J.-F." last="Wagner">J.-F. Wagner</name></region><name sortKey="Schnatmeyer, C" sort="Schnatmeyer, C" uniqKey="Schnatmeyer C" first="C." last="Schnatmeyer">C. Schnatmeyer</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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