Bentonites as a basic material for technical base liners and site encapsulation cut-off walls
Identifieur interne : 000175 ( PascalFrancis/Curation ); précédent : 000174; suivant : 000176Bentonites as a basic material for technical base liners and site encapsulation cut-off walls
Auteurs : Dietrich Koch [Allemagne]Source :
- Applied clay science [ 0169-1317 ] ; 2002.
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Abstract
Bentonites and bentonite containing sealing materials are used for many years for sealing purposes in foundation, dike construction, hydraulic engineering and landfill construction, especially for encapsulation of old waste deposits. Because of their exceptional physical, structural and chemical properties, bentonites are offering manifold possibilities to protect the environment against the negative effects of dumping grounds. Often the observance of legal regulations for waste dumping or for the encapsulation of contaminated areas is possible only by using bentonite containing sealing systems. The different techniques of making horizontal technical base liners and vertical cut-off walls are illustrated as well as the essential properties of the bentonite with respect to the bentonite containing building materials. For horizontal technical base liners the adsorption ability, the ion exchange capacity and the swelling behavior of bentonite is important. For cut-off walls bentonite controls the rheological behavior of the slurry and is responsible for the low permeability of the hardened bentonite-cement-wall. The composition and properties of mineral sealing mixtures are illustrated by examples of usage as well as the application in the building practice. Results of recent developments for improving the material properties of bentonite containing mineral sealing mixtures, e.g. ready mixtures of bentonite/cement, are presented followed by a conclusive outlook to the further possible developments.
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Because of their exceptional physical, structural and chemical properties, bentonites are offering manifold possibilities to protect the environment against the negative effects of dumping grounds. Often the observance of legal regulations for waste dumping or for the encapsulation of contaminated areas is possible only by using bentonite containing sealing systems. The different techniques of making horizontal technical base liners and vertical cut-off walls are illustrated as well as the essential properties of the bentonite with respect to the bentonite containing building materials. For horizontal technical base liners the adsorption ability, the ion exchange capacity and the swelling behavior of bentonite is important. For cut-off walls bentonite controls the rheological behavior of the slurry and is responsible for the low permeability of the hardened bentonite-cement-wall. The composition and properties of mineral sealing mixtures are illustrated by examples of usage as well as the application in the building practice. Results of recent developments for improving the material properties of bentonite containing mineral sealing mixtures, e.g. ready mixtures of bentonite/cement, are presented followed by a conclusive outlook to the further possible developments.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0169-1317</s0></fA01><fA02 i1="01"><s0>ACLSER</s0></fA02><fA03 i2="1"><s0>Appl. clay sci.</s0></fA03><fA05><s2>21</s2></fA05><fA06><s2>1-2</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Bentonites as a basic material for technical base liners and site encapsulation cut-off walls</s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>Clay barriers and waste management</s1></fA09><fA11 i1="01" i2="1"><s1>KOCH (Dietrich)</s1></fA11><fA12 i1="01" i2="1"><s1>CZURDA (Kurt A.)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>WAGNER (Jean-Frank)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>IBECO Bentonit-Technologie GmbH, Ruhrorter Strasse 72</s1><s2>68219 Mannheim</s2><s3>DEU</s3><sZ>1 aut.</sZ></fA14><fA15 i1="01"><s1>Department of Applied Geology, University of Karlsruhe, Kaiserstr. 12</s1><s2>76128 Karlsruhe</s2><s3>DEU</s3><sZ>1 aut.</sZ></fA15><fA15 i1="02"><s1>Geology Department, Faculty VI, University of Trier, Behringstrasse</s1><s2>54286 Trier</s2><s3>DEU</s3><sZ>2 aut.</sZ></fA15><fA20><s1>1-11</s1><s7>3</s7></fA20><fA21><s1>2002</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>20859</s2><s5>354000100846800010</s5></fA43><fA44><s0>0000</s0><s1>© 2002 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>17 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>02-0235321</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Applied clay science</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Bentonites and bentonite containing sealing materials are used for many years for sealing purposes in foundation, dike construction, hydraulic engineering and landfill construction, especially for encapsulation of old waste deposits. Because of their exceptional physical, structural and chemical properties, bentonites are offering manifold possibilities to protect the environment against the negative effects of dumping grounds. Often the observance of legal regulations for waste dumping or for the encapsulation of contaminated areas is possible only by using bentonite containing sealing systems. The different techniques of making horizontal technical base liners and vertical cut-off walls are illustrated as well as the essential properties of the bentonite with respect to the bentonite containing building materials. For horizontal technical base liners the adsorption ability, the ion exchange capacity and the swelling behavior of bentonite is important. For cut-off walls bentonite controls the rheological behavior of the slurry and is responsible for the low permeability of the hardened bentonite-cement-wall. The composition and properties of mineral sealing mixtures are illustrated by examples of usage as well as the application in the building practice. Results of recent developments for improving the material properties of bentonite containing mineral sealing mixtures, e.g. ready mixtures of bentonite/cement, are presented followed by a conclusive outlook to the further possible developments.</s0></fC01><fC02 i1="01" i2="2"><s0>226B01</s0></fC02><fC02 i1="02" i2="2"><s0>220A02</s0></fC02><fC02 i1="03" i2="X"><s0>001E01O01</s0></fC02><fC02 i1="04" i2="X"><s0>001E01A02</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Argile</s0><s2>NV</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>clay</s0><s2>NV</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Arcilla</s0><s2>NV</s2><s5>01</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Bentonite</s0><s2>NV</s2><s5>06</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>bentonite</s0><s2>NV</s2><s5>06</s5></fC03><fC03 i1="02" i2="2" l="SPA"><s0>Bentonita</s0><s2>NV</s2><s5>06</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Basicité</s0><s5>08</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>basicity</s0><s5>08</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Etanchement</s0><s5>10</s5></fC03><fC03 i1="04" i2="2" l="ENG"><s0>sealing</s0><s5>10</s5></fC03><fC03 i1="04" i2="2" l="SPA"><s0>Estancamiento</s0><s5>10</s5></fC03><fC03 i1="05" i2="2" l="FRE"><s0>Fondation</s0><s5>11</s5></fC03><fC03 i1="05" i2="2" l="ENG"><s0>foundations</s0><s5>11</s5></fC03><fC03 i1="05" i2="2" l="SPA"><s0>Cimentación</s0><s5>11</s5></fC03><fC03 i1="06" i2="2" l="FRE"><s0>Construction</s0><s5>13</s5></fC03><fC03 i1="06" i2="2" l="ENG"><s0>construction</s0><s5>13</s5></fC03><fC03 i1="07" i2="2" l="FRE"><s0>Hydraulique</s0><s5>14</s5></fC03><fC03 i1="07" i2="2" l="ENG"><s0>hydraulics</s0><s5>14</s5></fC03><fC03 i1="07" i2="2" l="SPA"><s0>Hidraúlica</s0><s5>14</s5></fC03><fC03 i1="08" i2="2" l="FRE"><s0>Remblaiement</s0><s5>15</s5></fC03><fC03 i1="08" i2="2" l="ENG"><s0>landfills</s0><s5>15</s5></fC03><fC03 i1="08" i2="2" l="SPA"><s0>Terraplenado</s0><s5>15</s5></fC03><fC03 i1="09" i2="2" l="FRE"><s0>Propriété chimique</s0><s5>16</s5></fC03><fC03 i1="09" i2="2" l="ENG"><s0>chemical properties</s0><s5>16</s5></fC03><fC03 i1="09" i2="2" l="SPA"><s0>Propiedad química</s0><s5>16</s5></fC03><fC03 i1="10" i2="2" l="FRE"><s0>Perspective</s0><s5>17</s5></fC03><fC03 i1="10" i2="2" l="ENG"><s0>possibilities</s0><s5>17</s5></fC03><fC03 i1="10" i2="2" l="SPA"><s0>Perspectiva</s0><s5>17</s5></fC03><fC03 i1="11" i2="2" l="FRE"><s0>Réglementation</s0><s5>20</s5></fC03><fC03 i1="11" i2="2" l="ENG"><s0>regulations</s0><s5>20</s5></fC03><fC03 i1="12" i2="2" l="FRE"><s0>Contamination</s0><s5>21</s5></fC03><fC03 i1="12" i2="2" l="ENG"><s0>contamination</s0><s5>21</s5></fC03><fC03 i1="12" i2="2" l="SPA"><s0>Contaminación</s0><s5>21</s5></fC03><fC03 i1="13" i2="2" l="FRE"><s0>Bâtiment</s0><s5>24</s5></fC03><fC03 i1="13" i2="2" l="ENG"><s0>buildings</s0><s5>24</s5></fC03><fC03 i1="13" i2="2" l="SPA"><s0>Edificio</s0><s5>24</s5></fC03><fC03 i1="14" i2="2" l="FRE"><s0>Adsorption</s0><s5>25</s5></fC03><fC03 i1="14" i2="2" l="ENG"><s0>adsorption</s0><s5>25</s5></fC03><fC03 i1="14" i2="2" l="SPA"><s0>Adsorción</s0><s5>25</s5></fC03><fC03 i1="15" i2="2" l="FRE"><s0>Echange ion</s0><s5>61</s5></fC03><fC03 i1="15" i2="2" l="ENG"><s0>ion exchange</s0><s5>61</s5></fC03><fC03 i1="15" i2="2" l="SPA"><s0>Cambio iónico</s0><s5>61</s5></fC03><fC03 i1="16" i2="2" l="FRE"><s0>Gonflement</s0><s5>62</s5></fC03><fC03 i1="16" i2="2" l="ENG"><s0>swelling</s0><s5>62</s5></fC03><fC03 i1="16" i2="2" l="SPA"><s0>Inflamiento</s0><s5>62</s5></fC03><fC03 i1="17" i2="2" l="FRE"><s0>Comportement</s0><s5>63</s5></fC03><fC03 i1="17" i2="2" l="ENG"><s0>behavior</s0><s5>63</s5></fC03><fC03 i1="18" i2="2" l="FRE"><s0>Perméabilité</s0><s5>65</s5></fC03><fC03 i1="18" i2="2" l="ENG"><s0>permeability</s0><s5>65</s5></fC03><fC03 i1="18" i2="2" l="SPA"><s0>Permeabilidad</s0><s5>65</s5></fC03><fC06><s0>ILS</s0><s0>TAS</s0></fC06><fC07 i1="01" i2="2" l="FRE"><s0>Roche clastique</s0><s2>NV</s2></fC07><fC07 i1="01" i2="2" l="ENG"><s0>clastic rocks</s0><s2>NV</s2></fC07><fC07 i1="01" i2="2" l="SPA"><s0>Roca clástica</s0><s2>NV</s2></fC07><fC07 i1="02" i2="2" l="FRE"><s0>Roche sédimentaire</s0></fC07><fC07 i1="02" i2="2" l="ENG"><s0>sedimentary rocks</s0></fC07><fC07 i1="02" i2="2" l="SPA"><s0>Roca sedimentaria</s0></fC07><fN21><s1>140</s1></fN21><fN82><s1>PSI</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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