Investigation on Soil–Water Characteristic Curves of Untreated and Stabilized Highly Clayey Expansive Soils
The examination of hydromechanical behavior of expansive soil lies mostly within the unsaturated soil mechanics framework, which renders the study of its soil water characteristic curve (SWCC) a necessity. This paper evaluates the correlations of two physicochemical properties, pH and surface conduc...
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| Veröffentlicht in: | Geotechnical and geological engineering 2012-08, Vol.30 (4), p.803-812 |
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| creator | Lin, Botao Cerato, Amy B. |
| description | The examination of hydromechanical behavior of expansive soil lies mostly within the unsaturated soil mechanics framework, which renders the study of its soil water characteristic curve (SWCC) a necessity. This paper evaluates the correlations of two physicochemical properties, pH and surface conductance, with the behavior of the SWCCs of four natural expansive soils and four stabilized soils. The effects of chemical stabilization and curing time on the SWCCs are also analyzed. The SWCCs and the corresponding parameters were obtained from pressure plate tests and a fitting model. It was found that pH and surface conductance together showed a good correlation with the air-entry related parameter, α, because they determine the formation of the diffuse double layer around fine particles or aggregates. The macroscopic behavior, in terms of unconfined compressive strength, free swell and swell pressure at optimum moisture content (OMC), was also evaluated and good correlations of these property values with the matric suction values at OMC were observed for the four natural untreated soils, while no correlation existed for the stabilized soils. The results and the discussion provide new insight to address physicochemical mechanisms that determine the macroscopic behavior of expansive soil. |
| doi_str_mv | 10.1007/s10706-012-9499-0 |
| format | Article |
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This paper evaluates the correlations of two physicochemical properties, pH and surface conductance, with the behavior of the SWCCs of four natural expansive soils and four stabilized soils. The effects of chemical stabilization and curing time on the SWCCs are also analyzed. The SWCCs and the corresponding parameters were obtained from pressure plate tests and a fitting model. It was found that pH and surface conductance together showed a good correlation with the air-entry related parameter, α, because they determine the formation of the diffuse double layer around fine particles or aggregates. The macroscopic behavior, in terms of unconfined compressive strength, free swell and swell pressure at optimum moisture content (OMC), was also evaluated and good correlations of these property values with the matric suction values at OMC were observed for the four natural untreated soils, while no correlation existed for the stabilized soils. The results and the discussion provide new insight to address physicochemical mechanisms that determine the macroscopic behavior of expansive soil.</description><identifier>ISSN: 0960-3182</identifier><identifier>EISSN: 1573-1529</identifier><identifier>DOI: 10.1007/s10706-012-9499-0</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Civil Engineering ; Compressive strength ; Conductance ; Correlation ; Earth and Environmental Science ; Earth Sciences ; Expansion ; Expansive soils ; Geotechnical Engineering & Applied Earth Sciences ; Hydrogeology ; Matric suction ; Moisture content ; Organic chemistry ; Original Paper ; Parameters ; pH effects ; Physicochemical processes ; Physicochemical properties ; Pressure ; Property values ; Real estate ; Resistance ; Soil chemistry ; Soil investigations ; Soil mechanics ; Soil moisture ; Soil stabilization ; Soil suction ; Soil water ; Swell ; Terrestrial Pollution ; Unsaturated soils ; Waste Management/Waste Technology ; Water content</subject><ispartof>Geotechnical and geological engineering, 2012-08, Vol.30 (4), p.803-812</ispartof><rights>Springer Science+Business Media B.V. 2012</rights><rights>Geotechnical and Geological Engineering is a copyright of Springer, (2012). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a339t-e92fc47dcede4d96082c82ab7dd85c34cef4c9ca47421a367160e31107d913363</citedby><cites>FETCH-LOGICAL-a339t-e92fc47dcede4d96082c82ab7dd85c34cef4c9ca47421a367160e31107d913363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10706-012-9499-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10706-012-9499-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27907,27908,41471,42540,51302</link.rule.ids></links><search><creatorcontrib>Lin, Botao</creatorcontrib><creatorcontrib>Cerato, Amy B.</creatorcontrib><title>Investigation on Soil–Water Characteristic Curves of Untreated and Stabilized Highly Clayey Expansive Soils</title><title>Geotechnical and geological engineering</title><addtitle>Geotech Geol Eng</addtitle><description>The examination of hydromechanical behavior of expansive soil lies mostly within the unsaturated soil mechanics framework, which renders the study of its soil water characteristic curve (SWCC) a necessity. This paper evaluates the correlations of two physicochemical properties, pH and surface conductance, with the behavior of the SWCCs of four natural expansive soils and four stabilized soils. The effects of chemical stabilization and curing time on the SWCCs are also analyzed. The SWCCs and the corresponding parameters were obtained from pressure plate tests and a fitting model. It was found that pH and surface conductance together showed a good correlation with the air-entry related parameter, α, because they determine the formation of the diffuse double layer around fine particles or aggregates. The macroscopic behavior, in terms of unconfined compressive strength, free swell and swell pressure at optimum moisture content (OMC), was also evaluated and good correlations of these property values with the matric suction values at OMC were observed for the four natural untreated soils, while no correlation existed for the stabilized soils. The results and the discussion provide new insight to address physicochemical mechanisms that determine the macroscopic behavior of expansive soil.</description><subject>Civil Engineering</subject><subject>Compressive strength</subject><subject>Conductance</subject><subject>Correlation</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Expansion</subject><subject>Expansive soils</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydrogeology</subject><subject>Matric suction</subject><subject>Moisture content</subject><subject>Organic chemistry</subject><subject>Original Paper</subject><subject>Parameters</subject><subject>pH effects</subject><subject>Physicochemical processes</subject><subject>Physicochemical properties</subject><subject>Pressure</subject><subject>Property values</subject><subject>Real estate</subject><subject>Resistance</subject><subject>Soil chemistry</subject><subject>Soil investigations</subject><subject>Soil mechanics</subject><subject>Soil moisture</subject><subject>Soil stabilization</subject><subject>Soil suction</subject><subject>Soil water</subject><subject>Swell</subject><subject>Terrestrial Pollution</subject><subject>Unsaturated soils</subject><subject>Waste Management/Waste Technology</subject><subject>Water content</subject><issn>0960-3182</issn><issn>1573-1529</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kM1KAzEURoMoWKsP4C7gOnqTzF-WMlRbKLioxWVIk0ybMp2pybRYV76Db-iTmDqCKyGQBM733eQgdE3hlgLkd4FCDhkByohIhCBwggY0zTmhKROnaAAiA8Jpwc7RRQhrAGAZ0AHaTJq9DZ1bqs61DY5r1rr66-PzRXXW43KlvNLx5CKjcbnzkcZthedN521EDFaNwbNOLVzt3uN17Jar-oDLWh3sAY_etqoJbm9_asMlOqtUHezV7z5E84fRczkm06fHSXk_JYpz0RErWKWT3GhrbGLiywumC6YWuTFFqnmibZVooVWSJ4wqnuU0A8tpVGAE5TzjQ3TT9259-7qL_5PrduebOFIyloqMZ6zgkaI9pX0bgreV3Hq3Uf4gKcijVdlbldGqPFqVEDOsz4TINkvr_5r_D30DPyx8Ng</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Lin, Botao</creator><creator>Cerato, Amy B.</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7UA</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>L6V</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20120801</creationdate><title>Investigation on Soil–Water Characteristic Curves of Untreated and Stabilized Highly Clayey Expansive Soils</title><author>Lin, Botao ; Cerato, Amy B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a339t-e92fc47dcede4d96082c82ab7dd85c34cef4c9ca47421a367160e31107d913363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Civil Engineering</topic><topic>Compressive strength</topic><topic>Conductance</topic><topic>Correlation</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Expansion</topic><topic>Expansive soils</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Hydrogeology</topic><topic>Matric suction</topic><topic>Moisture content</topic><topic>Organic chemistry</topic><topic>Original Paper</topic><topic>Parameters</topic><topic>pH effects</topic><topic>Physicochemical processes</topic><topic>Physicochemical properties</topic><topic>Pressure</topic><topic>Property values</topic><topic>Real estate</topic><topic>Resistance</topic><topic>Soil chemistry</topic><topic>Soil investigations</topic><topic>Soil mechanics</topic><topic>Soil moisture</topic><topic>Soil stabilization</topic><topic>Soil suction</topic><topic>Soil water</topic><topic>Swell</topic><topic>Terrestrial Pollution</topic><topic>Unsaturated soils</topic><topic>Waste Management/Waste Technology</topic><topic>Water content</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lin, Botao</creatorcontrib><creatorcontrib>Cerato, Amy B.</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>Geotechnical and geological engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, Botao</au><au>Cerato, Amy B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on Soil–Water Characteristic Curves of Untreated and Stabilized Highly Clayey Expansive Soils</atitle><jtitle>Geotechnical and geological engineering</jtitle><stitle>Geotech Geol Eng</stitle><date>2012-08-01</date><risdate>2012</risdate><volume>30</volume><issue>4</issue><spage>803</spage><epage>812</epage><pages>803-812</pages><issn>0960-3182</issn><eissn>1573-1529</eissn><abstract>The examination of hydromechanical behavior of expansive soil lies mostly within the unsaturated soil mechanics framework, which renders the study of its soil water characteristic curve (SWCC) a necessity. This paper evaluates the correlations of two physicochemical properties, pH and surface conductance, with the behavior of the SWCCs of four natural expansive soils and four stabilized soils. The effects of chemical stabilization and curing time on the SWCCs are also analyzed. The SWCCs and the corresponding parameters were obtained from pressure plate tests and a fitting model. It was found that pH and surface conductance together showed a good correlation with the air-entry related parameter, α, because they determine the formation of the diffuse double layer around fine particles or aggregates. The macroscopic behavior, in terms of unconfined compressive strength, free swell and swell pressure at optimum moisture content (OMC), was also evaluated and good correlations of these property values with the matric suction values at OMC were observed for the four natural untreated soils, while no correlation existed for the stabilized soils. The results and the discussion provide new insight to address physicochemical mechanisms that determine the macroscopic behavior of expansive soil.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10706-012-9499-0</doi><tpages>10</tpages></addata></record> |
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| subjects | Civil Engineering Compressive strength Conductance Correlation Earth and Environmental Science Earth Sciences Expansion Expansive soils Geotechnical Engineering & Applied Earth Sciences Hydrogeology Matric suction Moisture content Organic chemistry Original Paper Parameters pH effects Physicochemical processes Physicochemical properties Pressure Property values Real estate Resistance Soil chemistry Soil investigations Soil mechanics Soil moisture Soil stabilization Soil suction Soil water Swell Terrestrial Pollution Unsaturated soils Waste Management/Waste Technology Water content |
| title | Investigation on Soil–Water Characteristic Curves of Untreated and Stabilized Highly Clayey Expansive Soils |
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