Influence of cementation level on the strength behaviour of bio-cemented sand
Microbially induced calcite precipitation (MICP) is used increasingly to improve the engineering properties of granular soils that are unsuitable for construction. This shows MICP technique significant advantages such as low energy consumption and environmentally friendly feature. The objective of t...
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| Veröffentlicht in: | Acta geotechnica 2017-10, Vol.12 (5), p.971-986 |
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| creator | Cui, Ming-Juan Zheng, Jun-Jie Zhang, Rong-Jun Lai, Han-Jiang Zhang, Jun |
| description | Microbially induced calcite precipitation (MICP) is used increasingly to improve the engineering properties of granular soils that are unsuitable for construction. This shows MICP technique significant advantages such as low energy consumption and environmentally friendly feature. The objective of the present study is to assess the strength behaviour of bio-cemented sand with varying cementation levels, and to provide an insight into the mechanism of MICP treatment. A series of isotropic consolidated undrained compression tests, calcite mass measurement and scanning electron microscopy tests were conducted. The experimental results show that the strength of bio-cemented sand depends heavily on the cementation level (or calcite content). The variations of strength parameters, i.e. effective friction angle
φ
′ and effective cohesion
c
′, with the increase in calcite content can be well evaluated by a linear function and an exponential function, respectively. Based on the precipitation mechanism of calcite crystals, bio-clogging and bio-cementation of calcite crystals are correlated to the amount of total calcite crystals and effective calcite crystals, respectively, and contributed to the improvement in the effective friction angle and effective cohesion of bio-cemented sand, separately. |
| doi_str_mv | 10.1007/s11440-017-0574-9 |
| format | Article |
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φ
′ and effective cohesion
c
′, with the increase in calcite content can be well evaluated by a linear function and an exponential function, respectively. Based on the precipitation mechanism of calcite crystals, bio-clogging and bio-cementation of calcite crystals are correlated to the amount of total calcite crystals and effective calcite crystals, respectively, and contributed to the improvement in the effective friction angle and effective cohesion of bio-cemented sand, separately.</description><identifier>ISSN: 1861-1125</identifier><identifier>EISSN: 1861-1133</identifier><identifier>DOI: 10.1007/s11440-017-0574-9</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Calcite ; Cement ; Cementation ; Cementing ; Cements ; Chemical precipitation ; Cohesion ; Complex Fluids and Microfluidics ; Compression ; Compression tests ; Consolidation ; Crystals ; Electron microscopy ; Energy consumption ; Engineering ; Exponential functions ; Foundations ; Friction ; Geoengineering ; Geotechnical Engineering & Applied Earth Sciences ; Hydraulics ; Research Paper ; Sand ; Sand & gravel ; Scanning electron microscopy ; Shear strength ; Soft and Granular Matter ; Soil ; Soil properties ; Soil Science & Conservation ; Solid Mechanics ; Strength</subject><ispartof>Acta geotechnica, 2017-10, Vol.12 (5), p.971-986</ispartof><rights>Springer-Verlag GmbH Germany 2017</rights><rights>Acta Geotechnica is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a339t-60289ddf73e469cffd2446488c3265cb132e78dd8ad69eecee7a938e085eca483</citedby><cites>FETCH-LOGICAL-a339t-60289ddf73e469cffd2446488c3265cb132e78dd8ad69eecee7a938e085eca483</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/s11440-017-0574-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11440-017-0574-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Cui, Ming-Juan</creatorcontrib><creatorcontrib>Zheng, Jun-Jie</creatorcontrib><creatorcontrib>Zhang, Rong-Jun</creatorcontrib><creatorcontrib>Lai, Han-Jiang</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><title>Influence of cementation level on the strength behaviour of bio-cemented sand</title><title>Acta geotechnica</title><addtitle>Acta Geotech</addtitle><description>Microbially induced calcite precipitation (MICP) is used increasingly to improve the engineering properties of granular soils that are unsuitable for construction. This shows MICP technique significant advantages such as low energy consumption and environmentally friendly feature. The objective of the present study is to assess the strength behaviour of bio-cemented sand with varying cementation levels, and to provide an insight into the mechanism of MICP treatment. A series of isotropic consolidated undrained compression tests, calcite mass measurement and scanning electron microscopy tests were conducted. The experimental results show that the strength of bio-cemented sand depends heavily on the cementation level (or calcite content). The variations of strength parameters, i.e. effective friction angle
φ
′ and effective cohesion
c
′, with the increase in calcite content can be well evaluated by a linear function and an exponential function, respectively. Based on the precipitation mechanism of calcite crystals, bio-clogging and bio-cementation of calcite crystals are correlated to the amount of total calcite crystals and effective calcite crystals, respectively, and contributed to the improvement in the effective friction angle and effective cohesion of bio-cemented sand, separately.</description><subject>Calcite</subject><subject>Cement</subject><subject>Cementation</subject><subject>Cementing</subject><subject>Cements</subject><subject>Chemical precipitation</subject><subject>Cohesion</subject><subject>Complex Fluids and Microfluidics</subject><subject>Compression</subject><subject>Compression tests</subject><subject>Consolidation</subject><subject>Crystals</subject><subject>Electron microscopy</subject><subject>Energy consumption</subject><subject>Engineering</subject><subject>Exponential functions</subject><subject>Foundations</subject><subject>Friction</subject><subject>Geoengineering</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydraulics</subject><subject>Research Paper</subject><subject>Sand</subject><subject>Sand & gravel</subject><subject>Scanning electron microscopy</subject><subject>Shear strength</subject><subject>Soft and Granular Matter</subject><subject>Soil</subject><subject>Soil properties</subject><subject>Soil Science & Conservation</subject><subject>Solid Mechanics</subject><subject>Strength</subject><issn>1861-1125</issn><issn>1861-1133</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1LAzEQhoMoWKs_wFvAczTZZLPJUYofBcWLnkOaTNot22xN0oL_3l1WxIunmcPzvDO8CF0zessobe4yY0JQQllDaN0Iok_QjCnJCGOcn_7uVX2OLnLeUip5JeQMvS5j6A4QHeA-YAc7iMWWto-4gyN0eFjKBnAuCeK6bPAKNvbY9oc04qu2J5MCHmcb_SU6C7bLcPUz5-jj8eF98Uxe3p6Wi_sXYjnXhUhaKe19aDgIqV0IvhJCCqUcr2TtVoxX0CjvlfVSAziAxmqugKoanBWKz9HNlLtP_ecBcjHb4aU4nDRMCypEo7UeKDZRLvU5Jwhmn9qdTV-GUTO2ZqbWzNCaGVszo1NNTh7YuIb0J_lf6RuRZ2-2</recordid><startdate>20171001</startdate><enddate>20171001</enddate><creator>Cui, Ming-Juan</creator><creator>Zheng, Jun-Jie</creator><creator>Zhang, Rong-Jun</creator><creator>Lai, Han-Jiang</creator><creator>Zhang, Jun</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</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>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope></search><sort><creationdate>20171001</creationdate><title>Influence of cementation level on the strength behaviour of bio-cemented sand</title><author>Cui, Ming-Juan ; Zheng, Jun-Jie ; Zhang, Rong-Jun ; Lai, Han-Jiang ; Zhang, Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a339t-60289ddf73e469cffd2446488c3265cb132e78dd8ad69eecee7a938e085eca483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Calcite</topic><topic>Cement</topic><topic>Cementation</topic><topic>Cementing</topic><topic>Cements</topic><topic>Chemical precipitation</topic><topic>Cohesion</topic><topic>Complex Fluids and Microfluidics</topic><topic>Compression</topic><topic>Compression tests</topic><topic>Consolidation</topic><topic>Crystals</topic><topic>Electron microscopy</topic><topic>Energy consumption</topic><topic>Engineering</topic><topic>Exponential functions</topic><topic>Foundations</topic><topic>Friction</topic><topic>Geoengineering</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Hydraulics</topic><topic>Research Paper</topic><topic>Sand</topic><topic>Sand & gravel</topic><topic>Scanning electron microscopy</topic><topic>Shear strength</topic><topic>Soft and Granular Matter</topic><topic>Soil</topic><topic>Soil properties</topic><topic>Soil Science & Conservation</topic><topic>Solid Mechanics</topic><topic>Strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cui, Ming-Juan</creatorcontrib><creatorcontrib>Zheng, Jun-Jie</creatorcontrib><creatorcontrib>Zhang, Rong-Jun</creatorcontrib><creatorcontrib>Lai, Han-Jiang</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest 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</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</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>ProQuest Science Journals</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><collection>ProQuest Central Basic</collection><jtitle>Acta geotechnica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cui, Ming-Juan</au><au>Zheng, Jun-Jie</au><au>Zhang, Rong-Jun</au><au>Lai, Han-Jiang</au><au>Zhang, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of cementation level on the strength behaviour of bio-cemented sand</atitle><jtitle>Acta geotechnica</jtitle><stitle>Acta Geotech</stitle><date>2017-10-01</date><risdate>2017</risdate><volume>12</volume><issue>5</issue><spage>971</spage><epage>986</epage><pages>971-986</pages><issn>1861-1125</issn><eissn>1861-1133</eissn><abstract>Microbially induced calcite precipitation (MICP) is used increasingly to improve the engineering properties of granular soils that are unsuitable for construction. This shows MICP technique significant advantages such as low energy consumption and environmentally friendly feature. The objective of the present study is to assess the strength behaviour of bio-cemented sand with varying cementation levels, and to provide an insight into the mechanism of MICP treatment. A series of isotropic consolidated undrained compression tests, calcite mass measurement and scanning electron microscopy tests were conducted. The experimental results show that the strength of bio-cemented sand depends heavily on the cementation level (or calcite content). The variations of strength parameters, i.e. effective friction angle
φ
′ and effective cohesion
c
′, with the increase in calcite content can be well evaluated by a linear function and an exponential function, respectively. Based on the precipitation mechanism of calcite crystals, bio-clogging and bio-cementation of calcite crystals are correlated to the amount of total calcite crystals and effective calcite crystals, respectively, and contributed to the improvement in the effective friction angle and effective cohesion of bio-cemented sand, separately.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11440-017-0574-9</doi><tpages>16</tpages></addata></record> |
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| subjects | Calcite Cement Cementation Cementing Cements Chemical precipitation Cohesion Complex Fluids and Microfluidics Compression Compression tests Consolidation Crystals Electron microscopy Energy consumption Engineering Exponential functions Foundations Friction Geoengineering Geotechnical Engineering & Applied Earth Sciences Hydraulics Research Paper Sand Sand & gravel Scanning electron microscopy Shear strength Soft and Granular Matter Soil Soil properties Soil Science & Conservation Solid Mechanics Strength |
| title | Influence of cementation level on the strength behaviour of bio-cemented sand |
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