Seismic stability of earth slopes with tension crack
Cracks at the crest of slopes frequently occur during earthquakes. Such cracks result from limited tension strength of the soil. A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength. Presented is an extension of variational analysis of slope stability with a tension c...
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| Veröffentlicht in: | Frontiers of Structural and Civil Engineering 2019-08, Vol.13 (4), p.950-964 |
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| container_title | Frontiers of Structural and Civil Engineering |
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| creator | ZHOU, Yundong ZHANG, Fei Wang, Jingquan GAO, Yufeng DAI, Guangyu |
| description | Cracks at the crest of slopes frequently occur during earthquakes. Such cracks result from limited tension strength of the soil. A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength. Presented is an extension of variational analysis of slope stability with a tension crack considering seismicity. Both translational and rotational failure mechanisms are included in a pseudo-static analysis of slope stability. Developed is a closed-form to assess the seismic stability of slopes with zero tensile strength. The results indicate that the presence of the tension crack has significant effects on the seismic stability of slopes, i.e., leading to small value of the yield acceleration. Considering soil tension strength in seismic slope analysis may lead to overestimation on the stability, as much as 50% for vertical slopes. Imposing tension crack results in transit of the critical failure mode to a straight line from a log-spiral, except for flat slopes with small soil cohesion. Under seismic conditions, large cohesion may increase the depth of crack, moving it closer to the slope. |
| doi_str_mv | 10.1007/s11709-019-0529-3 |
| format | Article |
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Such cracks result from limited tension strength of the soil. A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength. Presented is an extension of variational analysis of slope stability with a tension crack considering seismicity. Both translational and rotational failure mechanisms are included in a pseudo-static analysis of slope stability. Developed is a closed-form to assess the seismic stability of slopes with zero tensile strength. The results indicate that the presence of the tension crack has significant effects on the seismic stability of slopes, i.e., leading to small value of the yield acceleration. Considering soil tension strength in seismic slope analysis may lead to overestimation on the stability, as much as 50% for vertical slopes. Imposing tension crack results in transit of the critical failure mode to a straight line from a log-spiral, except for flat slopes with small soil cohesion. Under seismic conditions, large cohesion may increase the depth of crack, moving it closer to the slope.</description><identifier>ISSN: 2095-2430</identifier><identifier>EISSN: 2095-2449</identifier><identifier>DOI: 10.1007/s11709-019-0529-3</identifier><language>eng</language><publisher>Beijing: Higher Education Press</publisher><subject>Acceleration ; Cities ; Civil Engineering ; Cohesion ; Countries ; crack ; Cracks ; Earthquakes ; Engineering ; Failure analysis ; Failure mechanisms ; Failure modes ; limit equilibrium ; Mohr-Coulomb theory ; Regions ; Research Article ; Seismic activity ; Seismic analysis ; seismic effect ; Seismic engineering ; Seismic response ; Seismic stability ; Seismicity ; Shear strength ; Slope stability ; Soil conditions ; Soil strength ; Stability analysis ; Tension</subject><ispartof>Frontiers of Structural and Civil Engineering, 2019-08, Vol.13 (4), p.950-964</ispartof><rights>Copyright reserved, 2019, Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature</rights><rights>Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-5f0bf0c5ec7f7afc43ffc6610d31cdc34296060e738a593e0b0b3943314f55033</citedby><cites>FETCH-LOGICAL-c365t-5f0bf0c5ec7f7afc43ffc6610d31cdc34296060e738a593e0b0b3943314f55033</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/s11709-019-0529-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11709-019-0529-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>ZHOU, Yundong</creatorcontrib><creatorcontrib>ZHANG, Fei</creatorcontrib><creatorcontrib>Wang, Jingquan</creatorcontrib><creatorcontrib>GAO, Yufeng</creatorcontrib><creatorcontrib>DAI, Guangyu</creatorcontrib><title>Seismic stability of earth slopes with tension crack</title><title>Frontiers of Structural and Civil Engineering</title><addtitle>Front. Struct. Civ. Eng</addtitle><description>Cracks at the crest of slopes frequently occur during earthquakes. Such cracks result from limited tension strength of the soil. A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength. Presented is an extension of variational analysis of slope stability with a tension crack considering seismicity. Both translational and rotational failure mechanisms are included in a pseudo-static analysis of slope stability. Developed is a closed-form to assess the seismic stability of slopes with zero tensile strength. The results indicate that the presence of the tension crack has significant effects on the seismic stability of slopes, i.e., leading to small value of the yield acceleration. Considering soil tension strength in seismic slope analysis may lead to overestimation on the stability, as much as 50% for vertical slopes. Imposing tension crack results in transit of the critical failure mode to a straight line from a log-spiral, except for flat slopes with small soil cohesion. Under seismic conditions, large cohesion may increase the depth of crack, moving it closer to the slope.</description><subject>Acceleration</subject><subject>Cities</subject><subject>Civil Engineering</subject><subject>Cohesion</subject><subject>Countries</subject><subject>crack</subject><subject>Cracks</subject><subject>Earthquakes</subject><subject>Engineering</subject><subject>Failure analysis</subject><subject>Failure mechanisms</subject><subject>Failure modes</subject><subject>limit equilibrium</subject><subject>Mohr-Coulomb theory</subject><subject>Regions</subject><subject>Research Article</subject><subject>Seismic activity</subject><subject>Seismic analysis</subject><subject>seismic effect</subject><subject>Seismic engineering</subject><subject>Seismic response</subject><subject>Seismic stability</subject><subject>Seismicity</subject><subject>Shear strength</subject><subject>Slope stability</subject><subject>Soil conditions</subject><subject>Soil strength</subject><subject>Stability analysis</subject><subject>Tension</subject><issn>2095-2430</issn><issn>2095-2449</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsNT-AG8Bz9HZTDbJHqX4BQUP6nlJNrPt1jaJOynSf29CRG89DDOH93kHHiGuJdxKgPyOpcxBxyCHUYmO8UzMEtAqTtJUn__dCJdiwbwFAAk5QoEzkb6R5723Efdl5Xe-P0ati6gM_SbiXdsRR99-uHtq2LdNZENpP6_EhSt3TIvfPRcfjw_vy-d49fr0srxfxRYz1cfKQeXAKrK5y0tnU3TOZpmEGqWtLaaJziADyrEolUaCCirUKaJMnVKAOBc3U28X2q8DcW-27SE0w0uTJEqpItdqTMkpZUPLHMiZLvh9GY5Gghn9mMmPGfyY0Y8ZmWRieMg2awr_zaegYoI2fr2hQHUXiNm40Da9p3AK_QGJpXiN</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>ZHOU, Yundong</creator><creator>ZHANG, Fei</creator><creator>Wang, Jingquan</creator><creator>GAO, Yufeng</creator><creator>DAI, Guangyu</creator><general>Higher Education Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20190801</creationdate><title>Seismic stability of earth slopes with tension crack</title><author>ZHOU, Yundong ; ZHANG, Fei ; Wang, Jingquan ; GAO, Yufeng ; DAI, Guangyu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-5f0bf0c5ec7f7afc43ffc6610d31cdc34296060e738a593e0b0b3943314f55033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Acceleration</topic><topic>Cities</topic><topic>Civil Engineering</topic><topic>Cohesion</topic><topic>Countries</topic><topic>crack</topic><topic>Cracks</topic><topic>Earthquakes</topic><topic>Engineering</topic><topic>Failure analysis</topic><topic>Failure mechanisms</topic><topic>Failure modes</topic><topic>limit equilibrium</topic><topic>Mohr-Coulomb theory</topic><topic>Regions</topic><topic>Research Article</topic><topic>Seismic activity</topic><topic>Seismic analysis</topic><topic>seismic effect</topic><topic>Seismic engineering</topic><topic>Seismic response</topic><topic>Seismic stability</topic><topic>Seismicity</topic><topic>Shear strength</topic><topic>Slope stability</topic><topic>Soil conditions</topic><topic>Soil strength</topic><topic>Stability analysis</topic><topic>Tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ZHOU, Yundong</creatorcontrib><creatorcontrib>ZHANG, Fei</creatorcontrib><creatorcontrib>Wang, Jingquan</creatorcontrib><creatorcontrib>GAO, Yufeng</creatorcontrib><creatorcontrib>DAI, Guangyu</creatorcontrib><collection>CrossRef</collection><jtitle>Frontiers of Structural and Civil Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ZHOU, Yundong</au><au>ZHANG, Fei</au><au>Wang, Jingquan</au><au>GAO, Yufeng</au><au>DAI, Guangyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seismic stability of earth slopes with tension crack</atitle><jtitle>Frontiers of Structural and Civil Engineering</jtitle><stitle>Front. Struct. Civ. Eng</stitle><date>2019-08-01</date><risdate>2019</risdate><volume>13</volume><issue>4</issue><spage>950</spage><epage>964</epage><pages>950-964</pages><issn>2095-2430</issn><eissn>2095-2449</eissn><abstract>Cracks at the crest of slopes frequently occur during earthquakes. Such cracks result from limited tension strength of the soil. A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength. Presented is an extension of variational analysis of slope stability with a tension crack considering seismicity. Both translational and rotational failure mechanisms are included in a pseudo-static analysis of slope stability. Developed is a closed-form to assess the seismic stability of slopes with zero tensile strength. The results indicate that the presence of the tension crack has significant effects on the seismic stability of slopes, i.e., leading to small value of the yield acceleration. Considering soil tension strength in seismic slope analysis may lead to overestimation on the stability, as much as 50% for vertical slopes. Imposing tension crack results in transit of the critical failure mode to a straight line from a log-spiral, except for flat slopes with small soil cohesion. Under seismic conditions, large cohesion may increase the depth of crack, moving it closer to the slope.</abstract><cop>Beijing</cop><pub>Higher Education Press</pub><doi>10.1007/s11709-019-0529-3</doi><tpages>15</tpages></addata></record> |
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| subjects | Acceleration Cities Civil Engineering Cohesion Countries crack Cracks Earthquakes Engineering Failure analysis Failure mechanisms Failure modes limit equilibrium Mohr-Coulomb theory Regions Research Article Seismic activity Seismic analysis seismic effect Seismic engineering Seismic response Seismic stability Seismicity Shear strength Slope stability Soil conditions Soil strength Stability analysis Tension |
| title | Seismic stability of earth slopes with tension crack |
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