The effect of pore water pressure on tunnel face stability
Summary The kinematic approach in combination with numerical simulation is used to examine the effect of pore water pressure on tunnel face stability. Pore water pressure distribution obtained by numerical calculations using FLAC3D is used to interpolate the pore water pressure on a 3D rotational co...
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| Veröffentlicht in: | International journal for numerical and analytical methods in geomechanics 2016-10, Vol.40 (15), p.2123-2136 |
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| container_issue | 15 |
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| container_title | International journal for numerical and analytical methods in geomechanics |
| container_volume | 40 |
| creator | Pan, Qiujing Dias, Daniel |
| description | Summary
The kinematic approach in combination with numerical simulation is used to examine the effect of pore water pressure on tunnel face stability. Pore water pressure distribution obtained by numerical calculations using FLAC3D is used to interpolate the pore water pressure on a 3D rotational collapse mechanism. Comparisons are made to check the present approach against other solutions, showing that the present approach improves the existing upper bound solutions. Results obtained indicate that critical effective face pressure increases with water table elevation. Several normalized charts are also presented for quick evaluation of tunnel face stability. At the end of the paper, the influence of anisotropic permeability on tunnel face stability is also discussed, showing that the isotropic model leads to an overestimation of the necessary tunnel face pressure for anisotropic soils. Copyright © 2016 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/nag.2528 |
| format | Article |
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The kinematic approach in combination with numerical simulation is used to examine the effect of pore water pressure on tunnel face stability. Pore water pressure distribution obtained by numerical calculations using FLAC3D is used to interpolate the pore water pressure on a 3D rotational collapse mechanism. Comparisons are made to check the present approach against other solutions, showing that the present approach improves the existing upper bound solutions. Results obtained indicate that critical effective face pressure increases with water table elevation. Several normalized charts are also presented for quick evaluation of tunnel face stability. At the end of the paper, the influence of anisotropic permeability on tunnel face stability is also discussed, showing that the isotropic model leads to an overestimation of the necessary tunnel face pressure for anisotropic soils. Copyright © 2016 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0363-9061</identifier><identifier>EISSN: 1096-9853</identifier><identifier>DOI: 10.1002/nag.2528</identifier><identifier>CODEN: IJNGDZ</identifier><language>eng</language><publisher>Bognor Regis: Blackwell Publishing Ltd</publisher><subject>Anisotropy ; Civil Engineering ; Collapse ; Engineering Sciences ; Géotechnique ; limit analysis ; Mathematical models ; pore water pressure ; Porosity ; seepage ; Soils ; Stability ; tunnel face ; Tunnels (transportation) ; Water pressure</subject><ispartof>International journal for numerical and analytical methods in geomechanics, 2016-10, Vol.40 (15), p.2123-2136</ispartof><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4548-efc66b05601ffb7bcd50f374c0e5d61fec202c41235d2f15d35536903260a88e3</citedby><cites>FETCH-LOGICAL-a4548-efc66b05601ffb7bcd50f374c0e5d61fec202c41235d2f15d35536903260a88e3</cites><orcidid>0000-0003-2238-7827</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fnag.2528$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fnag.2528$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02019604$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Pan, Qiujing</creatorcontrib><creatorcontrib>Dias, Daniel</creatorcontrib><title>The effect of pore water pressure on tunnel face stability</title><title>International journal for numerical and analytical methods in geomechanics</title><addtitle>Int. J. Numer. Anal. Meth. Geomech</addtitle><description>Summary
The kinematic approach in combination with numerical simulation is used to examine the effect of pore water pressure on tunnel face stability. Pore water pressure distribution obtained by numerical calculations using FLAC3D is used to interpolate the pore water pressure on a 3D rotational collapse mechanism. Comparisons are made to check the present approach against other solutions, showing that the present approach improves the existing upper bound solutions. Results obtained indicate that critical effective face pressure increases with water table elevation. Several normalized charts are also presented for quick evaluation of tunnel face stability. At the end of the paper, the influence of anisotropic permeability on tunnel face stability is also discussed, showing that the isotropic model leads to an overestimation of the necessary tunnel face pressure for anisotropic soils. Copyright © 2016 John Wiley & Sons, Ltd.</description><subject>Anisotropy</subject><subject>Civil Engineering</subject><subject>Collapse</subject><subject>Engineering Sciences</subject><subject>Géotechnique</subject><subject>limit analysis</subject><subject>Mathematical models</subject><subject>pore water pressure</subject><subject>Porosity</subject><subject>seepage</subject><subject>Soils</subject><subject>Stability</subject><subject>tunnel face</subject><subject>Tunnels (transportation)</subject><subject>Water pressure</subject><issn>0363-9061</issn><issn>1096-9853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqN0V1P2zAUBmALMYlSJu0nROJmXKQ7x44dh7sOjZapKjfdx53lpscQSJPOTsb673FVhGASEleW7Uevj_Uy9glhhAD8S2NvRlxyfcAGCIVKCy3FIRuAUCItQOEROw7hDgBkvB2w88UtJeQclV3SumTTekoebEc-2XgKoY_btkm6vmmoTpwtKQmdXVZ11W1P2Adn60Afn9Yh-3H5bXExTWfXk6uL8Sy1mcx0Sq5UaglSATq3zJflSoITeVYCyZXC-DIHXmbIhVxxh3IlpBSqAMEVWK1JDNnZPvfW1mbjq7X1W9PaykzHM7M7Aw5YKMj-YrSf93bj2z89hc6sq1BSXduG2j4Y1EIqhVrrd1CeF4AxOdLT_-hd2_smfjoqLDDSl4Glb0Pw5J6HRTC7bkzsxuy6iTTd04eqpu2bzszHk9e-Ch39e_bW3xuVi1yaX_OJ-YmXi6-_p8p8F4_IxpsA</recordid><startdate>20161025</startdate><enddate>20161025</enddate><creator>Pan, Qiujing</creator><creator>Dias, Daniel</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><general>Wiley</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>JQ2</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-2238-7827</orcidid></search><sort><creationdate>20161025</creationdate><title>The effect of pore water pressure on tunnel face stability</title><author>Pan, Qiujing ; Dias, Daniel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4548-efc66b05601ffb7bcd50f374c0e5d61fec202c41235d2f15d35536903260a88e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Anisotropy</topic><topic>Civil Engineering</topic><topic>Collapse</topic><topic>Engineering Sciences</topic><topic>Géotechnique</topic><topic>limit analysis</topic><topic>Mathematical models</topic><topic>pore water pressure</topic><topic>Porosity</topic><topic>seepage</topic><topic>Soils</topic><topic>Stability</topic><topic>tunnel face</topic><topic>Tunnels (transportation)</topic><topic>Water pressure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Qiujing</creatorcontrib><creatorcontrib>Dias, Daniel</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</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>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>International journal for numerical and analytical methods in geomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Qiujing</au><au>Dias, Daniel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of pore water pressure on tunnel face stability</atitle><jtitle>International journal for numerical and analytical methods in geomechanics</jtitle><addtitle>Int. J. Numer. Anal. Meth. Geomech</addtitle><date>2016-10-25</date><risdate>2016</risdate><volume>40</volume><issue>15</issue><spage>2123</spage><epage>2136</epage><pages>2123-2136</pages><issn>0363-9061</issn><eissn>1096-9853</eissn><coden>IJNGDZ</coden><abstract>Summary
The kinematic approach in combination with numerical simulation is used to examine the effect of pore water pressure on tunnel face stability. Pore water pressure distribution obtained by numerical calculations using FLAC3D is used to interpolate the pore water pressure on a 3D rotational collapse mechanism. Comparisons are made to check the present approach against other solutions, showing that the present approach improves the existing upper bound solutions. Results obtained indicate that critical effective face pressure increases with water table elevation. Several normalized charts are also presented for quick evaluation of tunnel face stability. At the end of the paper, the influence of anisotropic permeability on tunnel face stability is also discussed, showing that the isotropic model leads to an overestimation of the necessary tunnel face pressure for anisotropic soils. Copyright © 2016 John Wiley & Sons, Ltd.</abstract><cop>Bognor Regis</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/nag.2528</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0003-2238-7827</orcidid></addata></record> |
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| ispartof | International journal for numerical and analytical methods in geomechanics, 2016-10, Vol.40 (15), p.2123-2136 |
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| language | eng |
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| source | Access via Wiley Online Library |
| subjects | Anisotropy Civil Engineering Collapse Engineering Sciences Géotechnique limit analysis Mathematical models pore water pressure Porosity seepage Soils Stability tunnel face Tunnels (transportation) Water pressure |
| title | The effect of pore water pressure on tunnel face stability |
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