Bearing Capacity Characteristics and Failure Modes of Low Geosynthetic-Reinforced Embankments Overlying Voids
AbstractReinforcement solutions can ensure that low geosynthetic-reinforced (LGR) embankments progressively subside instead of suddenly failing due to void collapse, which provides an early warning to allow surface refilling to be carried out. This study investigates the characteristics of the beari...
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| Veröffentlicht in: | International journal of geomechanics 2018-08, Vol.18 (8) |
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| container_title | International journal of geomechanics |
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| creator | Lai, Fengwen Chen, Fuquan Li, Dayong |
| description | AbstractReinforcement solutions can ensure that low geosynthetic-reinforced (LGR) embankments progressively subside instead of suddenly failing due to void collapse, which provides an early warning to allow surface refilling to be carried out. This study investigates the characteristics of the bearing capacity and failure modes of the LGR embankments overlying voids using large-deformation finite-element analysis and normalization method. The system as a whole has six distinct failure modes: the trapdoor, sidewall, combination of roof and sidewall, rotational roof, combination of roof and single sidewall, and slope failure modes. Five types of slip lines exist for the LGR embankment: the vertical, trapezoid, double-cambered, partial-vaulted, and vaulted slip lines. This study also presents the effects of influencing parameters (e.g., rupture strength of the reinforcement, location and size of the void, and height and shear strength parameters of embankment fills) on the ultimate bearing capacity of the system. Design charts are obtained to determine the required soil properties and evaluate the characteristics of the bearing capacity of the system. |
| doi_str_mv | 10.1061/(ASCE)GM.1943-5622.0001206 |
| format | Article |
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This study investigates the characteristics of the bearing capacity and failure modes of the LGR embankments overlying voids using large-deformation finite-element analysis and normalization method. The system as a whole has six distinct failure modes: the trapdoor, sidewall, combination of roof and sidewall, rotational roof, combination of roof and single sidewall, and slope failure modes. Five types of slip lines exist for the LGR embankment: the vertical, trapezoid, double-cambered, partial-vaulted, and vaulted slip lines. This study also presents the effects of influencing parameters (e.g., rupture strength of the reinforcement, location and size of the void, and height and shear strength parameters of embankment fills) on the ultimate bearing capacity of the system. Design charts are obtained to determine the required soil properties and evaluate the characteristics of the bearing capacity of the system.</description><identifier>ISSN: 1532-3641</identifier><identifier>EISSN: 1943-5622</identifier><identifier>DOI: 10.1061/(ASCE)GM.1943-5622.0001206</identifier><language>eng</language><publisher>Reston: American Society of Civil Engineers</publisher><subject>Bearing capacity ; Cambering ; Creep rupture strength ; Deformation ; Embankments ; Failure analysis ; Failure modes ; Finite element method ; Geosynthetics ; Lines ; Mathematical models ; Modes ; Parameters ; Refilling ; Shear strength ; Slip ; Soil ; Soil bearing capacity ; Soil properties ; Solutions ; Technical Papers ; Voids</subject><ispartof>International journal of geomechanics, 2018-08, Vol.18 (8)</ispartof><rights>2018 American Society of Civil Engineers.</rights><rights>Copyright American Society of Civil Engineers Aug 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a337t-acb20d936ac56f94e637c92cea659a7ae5d1d1b76175c8ed0b81fb7bee9633c53</citedby><cites>FETCH-LOGICAL-a337t-acb20d936ac56f94e637c92cea659a7ae5d1d1b76175c8ed0b81fb7bee9633c53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)GM.1943-5622.0001206$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)GM.1943-5622.0001206$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,75964,75972</link.rule.ids></links><search><creatorcontrib>Lai, Fengwen</creatorcontrib><creatorcontrib>Chen, Fuquan</creatorcontrib><creatorcontrib>Li, Dayong</creatorcontrib><title>Bearing Capacity Characteristics and Failure Modes of Low Geosynthetic-Reinforced Embankments Overlying Voids</title><title>International journal of geomechanics</title><description>AbstractReinforcement solutions can ensure that low geosynthetic-reinforced (LGR) embankments progressively subside instead of suddenly failing due to void collapse, which provides an early warning to allow surface refilling to be carried out. This study investigates the characteristics of the bearing capacity and failure modes of the LGR embankments overlying voids using large-deformation finite-element analysis and normalization method. The system as a whole has six distinct failure modes: the trapdoor, sidewall, combination of roof and sidewall, rotational roof, combination of roof and single sidewall, and slope failure modes. Five types of slip lines exist for the LGR embankment: the vertical, trapezoid, double-cambered, partial-vaulted, and vaulted slip lines. This study also presents the effects of influencing parameters (e.g., rupture strength of the reinforcement, location and size of the void, and height and shear strength parameters of embankment fills) on the ultimate bearing capacity of the system. Design charts are obtained to determine the required soil properties and evaluate the characteristics of the bearing capacity of the system.</description><subject>Bearing capacity</subject><subject>Cambering</subject><subject>Creep rupture strength</subject><subject>Deformation</subject><subject>Embankments</subject><subject>Failure analysis</subject><subject>Failure modes</subject><subject>Finite element method</subject><subject>Geosynthetics</subject><subject>Lines</subject><subject>Mathematical models</subject><subject>Modes</subject><subject>Parameters</subject><subject>Refilling</subject><subject>Shear strength</subject><subject>Slip</subject><subject>Soil</subject><subject>Soil bearing capacity</subject><subject>Soil properties</subject><subject>Solutions</subject><subject>Technical Papers</subject><subject>Voids</subject><issn>1532-3641</issn><issn>1943-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kF1LwzAUhoMoOKf_IeiNXnQmTZuu3mnZqrAx8Os2nKanrnNtZtIp_fe2bOqVnIscwvO-Bx5CzjkbcSb59eXtUzK5SucjHgfCC6Xvjxhj3GfygAx-_w67PRS-J2TAj8mJc6uOiYIwHpDqDsGW9RtNYAO6bFqaLMGCbtCWrim1o1DndArlemuRzk2OjpqCzswXTdG4tm6W2GHeI5Z1YazGnE6qDOr3CuvG0cUn2nXb97-aMnen5KiAtcOz_TskL9PJc3LvzRbpQ3I780CIqPFAZz7LYyFBh7KIA5Qi0rGvEWQYQwQY5jznWSR5FOox5iwb8yKLMsRYCqFDMSQXu96NNR9bdI1ama2tu5PKZ4Hwu2E9dbOjtDXOWSzUxpYV2FZxpnq9SvV6VTpXvUrVq1R7vV1Y7sLgNP7V_yT_D34D4L6AbQ</recordid><startdate>20180801</startdate><enddate>20180801</enddate><creator>Lai, Fengwen</creator><creator>Chen, Fuquan</creator><creator>Li, Dayong</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope></search><sort><creationdate>20180801</creationdate><title>Bearing Capacity Characteristics and Failure Modes of Low Geosynthetic-Reinforced Embankments Overlying Voids</title><author>Lai, Fengwen ; Chen, Fuquan ; Li, Dayong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a337t-acb20d936ac56f94e637c92cea659a7ae5d1d1b76175c8ed0b81fb7bee9633c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Bearing capacity</topic><topic>Cambering</topic><topic>Creep rupture strength</topic><topic>Deformation</topic><topic>Embankments</topic><topic>Failure analysis</topic><topic>Failure modes</topic><topic>Finite element method</topic><topic>Geosynthetics</topic><topic>Lines</topic><topic>Mathematical models</topic><topic>Modes</topic><topic>Parameters</topic><topic>Refilling</topic><topic>Shear strength</topic><topic>Slip</topic><topic>Soil</topic><topic>Soil bearing capacity</topic><topic>Soil properties</topic><topic>Solutions</topic><topic>Technical Papers</topic><topic>Voids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lai, Fengwen</creatorcontrib><creatorcontrib>Chen, Fuquan</creatorcontrib><creatorcontrib>Li, Dayong</creatorcontrib><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</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>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>International journal of geomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lai, Fengwen</au><au>Chen, Fuquan</au><au>Li, Dayong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bearing Capacity Characteristics and Failure Modes of Low Geosynthetic-Reinforced Embankments Overlying Voids</atitle><jtitle>International journal of geomechanics</jtitle><date>2018-08-01</date><risdate>2018</risdate><volume>18</volume><issue>8</issue><issn>1532-3641</issn><eissn>1943-5622</eissn><abstract>AbstractReinforcement solutions can ensure that low geosynthetic-reinforced (LGR) embankments progressively subside instead of suddenly failing due to void collapse, which provides an early warning to allow surface refilling to be carried out. This study investigates the characteristics of the bearing capacity and failure modes of the LGR embankments overlying voids using large-deformation finite-element analysis and normalization method. The system as a whole has six distinct failure modes: the trapdoor, sidewall, combination of roof and sidewall, rotational roof, combination of roof and single sidewall, and slope failure modes. Five types of slip lines exist for the LGR embankment: the vertical, trapezoid, double-cambered, partial-vaulted, and vaulted slip lines. This study also presents the effects of influencing parameters (e.g., rupture strength of the reinforcement, location and size of the void, and height and shear strength parameters of embankment fills) on the ultimate bearing capacity of the system. Design charts are obtained to determine the required soil properties and evaluate the characteristics of the bearing capacity of the system.</abstract><cop>Reston</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)GM.1943-5622.0001206</doi></addata></record> |
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| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Bearing capacity Cambering Creep rupture strength Deformation Embankments Failure analysis Failure modes Finite element method Geosynthetics Lines Mathematical models Modes Parameters Refilling Shear strength Slip Soil Soil bearing capacity Soil properties Solutions Technical Papers Voids |
| title | Bearing Capacity Characteristics and Failure Modes of Low Geosynthetic-Reinforced Embankments Overlying Voids |
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