Effect of Calcium Sulphate on the Geotechnical Properties of Stabilized Clayey Soils
An experimental investigation was undertaken to study the effect of calcium sulphate (CaSO4.2H2O) on the behaviour of the grey clay (GS) and red clay (RS) soils stabilized with lime (L), natural pozzolana (NP) and their combination (L-NP). In this study, the geotechnical properties investigated are...
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| Veröffentlicht in: | Periodica polytechnica. Civil engineering. Bauingenieurwesen 2017-01, Vol.61 (2), p.256 |
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| container_title | Periodica polytechnica. Civil engineering. Bauingenieurwesen |
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| creator | Gadouri, Hamid Harichane, Khelifa Ghrici, Mohamed |
| description | An experimental investigation was undertaken to study the effect of calcium sulphate (CaSO4.2H2O) on the behaviour of the grey clay (GS) and red clay (RS) soils stabilized with lime (L), natural pozzolana (NP) and their combination (L-NP). In this study, the geotechnical properties investigated are respectively, the Atterberg limits on samples cured for 1 to 30 days to assess the diffusion time effect of CaSO4.2H2O (DTC) in the soil paste and the unconfined compressive strength (UCS) on samples cured for 7 to 120 days. The results show that both GS and RS samples can be successfully stabilized with L alone or with L-NP which substantially reduce their plasticity index (PI) and increase their UCS. On the other hand, a negligible effect was reported when the NP is used alone. However, when combining a fraction of CaSO4.2H2O to samples containing L or L-NP, a further decrease in the PI is observed. In addition, higher UCS values are recorded. |
| doi_str_mv | 10.3311/PPci.9359 |
| format | Article |
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In this study, the geotechnical properties investigated are respectively, the Atterberg limits on samples cured for 1 to 30 days to assess the diffusion time effect of CaSO4.2H2O (DTC) in the soil paste and the unconfined compressive strength (UCS) on samples cured for 7 to 120 days. The results show that both GS and RS samples can be successfully stabilized with L alone or with L-NP which substantially reduce their plasticity index (PI) and increase their UCS. On the other hand, a negligible effect was reported when the NP is used alone. However, when combining a fraction of CaSO4.2H2O to samples containing L or L-NP, a further decrease in the PI is observed. 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In addition, higher UCS values are recorded.</description><subject>Atterberg limits</subject><subject>Calcium</subject><subject>Civil engineering</subject><subject>Clay</subject><subject>Geotechnical engineering</subject><subject>Soil</subject><subject>Soil mechanics</subject><subject>Soil stabilization</subject><subject>Strength</subject><subject>Sulfates</subject><subject>Sulphates</subject><issn>0553-6626</issn><issn>1587-3773</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNotkLtOwzAUhi0EEqUw8AaWmBhSfKntZERRKUiVqNQyW45zrLpK62A7Q3l6GrXTv_yXcz6EnimZcU7p23pt_aziorpBEypKVXCl-C2aECF4ISWT9-ghpT0hUnBOJmi7cA5sxsHh2nTWDwe8Gbp-ZzLgcMR5B3gJIYPdHb01HV7H0EPMHtIY2WTT-M7_QYvrzpzghDfBd-kR3TnTJXi66hT9fCy29Wex-l5-1e-rwrKK5YIKVVFwppyfb6yEZc4pKgyfC0kaohgTXAralpWkLUgu5k2jGqla1jKwJSV8il4uvX0MvwOkrPdhiMfzpKZlyQmr1PnLKXq9uGwMKUVwuo_-YOJJU6JHaHqEpkdo_B9YA13S</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Gadouri, Hamid</creator><creator>Harichane, Khelifa</creator><creator>Ghrici, Mohamed</creator><general>Periodica Polytechnica, Budapest University of Technology and Economics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>BYOGL</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20170101</creationdate><title>Effect of Calcium Sulphate on the Geotechnical Properties of Stabilized Clayey Soils</title><author>Gadouri, Hamid ; Harichane, Khelifa ; Ghrici, Mohamed</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-15791efa8477395c2ff715a34560b072253651d8961de6354bb7b67d2d2ec8103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Atterberg limits</topic><topic>Calcium</topic><topic>Civil engineering</topic><topic>Clay</topic><topic>Geotechnical engineering</topic><topic>Soil</topic><topic>Soil mechanics</topic><topic>Soil stabilization</topic><topic>Strength</topic><topic>Sulfates</topic><topic>Sulphates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gadouri, Hamid</creatorcontrib><creatorcontrib>Harichane, Khelifa</creatorcontrib><creatorcontrib>Ghrici, Mohamed</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</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>East Europe, Central Europe Database</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>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Civil Engineering Abstracts</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>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Periodica polytechnica. Civil engineering. Bauingenieurwesen</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gadouri, Hamid</au><au>Harichane, Khelifa</au><au>Ghrici, Mohamed</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Calcium Sulphate on the Geotechnical Properties of Stabilized Clayey Soils</atitle><jtitle>Periodica polytechnica. Civil engineering. Bauingenieurwesen</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>61</volume><issue>2</issue><spage>256</spage><pages>256-</pages><issn>0553-6626</issn><eissn>1587-3773</eissn><abstract>An experimental investigation was undertaken to study the effect of calcium sulphate (CaSO4.2H2O) on the behaviour of the grey clay (GS) and red clay (RS) soils stabilized with lime (L), natural pozzolana (NP) and their combination (L-NP). In this study, the geotechnical properties investigated are respectively, the Atterberg limits on samples cured for 1 to 30 days to assess the diffusion time effect of CaSO4.2H2O (DTC) in the soil paste and the unconfined compressive strength (UCS) on samples cured for 7 to 120 days. The results show that both GS and RS samples can be successfully stabilized with L alone or with L-NP which substantially reduce their plasticity index (PI) and increase their UCS. On the other hand, a negligible effect was reported when the NP is used alone. However, when combining a fraction of CaSO4.2H2O to samples containing L or L-NP, a further decrease in the PI is observed. In addition, higher UCS values are recorded.</abstract><cop>Budapest</cop><pub>Periodica Polytechnica, Budapest University of Technology and Economics</pub><doi>10.3311/PPci.9359</doi><oa>free_for_read</oa></addata></record> |
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| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Atterberg limits Calcium Civil engineering Clay Geotechnical engineering Soil Soil mechanics Soil stabilization Strength Sulfates Sulphates |
| title | Effect of Calcium Sulphate on the Geotechnical Properties of Stabilized Clayey Soils |
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