Discrete modelling of time-dependent rockfill behaviour
This modelling study deals with the time‐dependent behaviour of rockfill media, which is of particular interest during the life of rockfill dams. Breakage of rock blocks and crack propagation are the main processes responsible for rockfill creep and collapse. The modelling procedure presented here i...
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| Veröffentlicht in: | International journal for numerical and analytical methods in geomechanics 2009-04, Vol.33 (5), p.665-685 |
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| container_title | International journal for numerical and analytical methods in geomechanics |
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| creator | Silvani, Claire Désoyer, Thierry Bonelli, Stéphane |
| description | This modelling study deals with the time‐dependent behaviour of rockfill media, which is of particular interest during the life of rockfill dams. Breakage of rock blocks and crack propagation are the main processes responsible for rockfill creep and collapse. The modelling procedure presented here is performed on two scales: on the rock block scale, where the grain is taken to be an assembly of rigid particles initially endowed with cohesive bonds, and on the rockfill scale, which is taken to involve a set of breakable grains interacting via contact and friction processes. The grain breakage process is described in term of a thermodynamically consistent damage interface model, where the damage is a gradual delayed process. This model was implemented in a non‐smooth contact dynamics code. The effects of the main parameters involved were analysed by performing numerical studies. The ability of the model to predict the creep behaviour of rockfill media is confirmed by presenting several simulations. Copyright © 2008 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/nag.743 |
| format | Article |
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Breakage of rock blocks and crack propagation are the main processes responsible for rockfill creep and collapse. The modelling procedure presented here is performed on two scales: on the rock block scale, where the grain is taken to be an assembly of rigid particles initially endowed with cohesive bonds, and on the rockfill scale, which is taken to involve a set of breakable grains interacting via contact and friction processes. The grain breakage process is described in term of a thermodynamically consistent damage interface model, where the damage is a gradual delayed process. This model was implemented in a non‐smooth contact dynamics code. The effects of the main parameters involved were analysed by performing numerical studies. The ability of the model to predict the creep behaviour of rockfill media is confirmed by presenting several simulations. Copyright © 2008 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0363-9061</identifier><identifier>EISSN: 1096-9853</identifier><identifier>DOI: 10.1002/nag.743</identifier><identifier>CODEN: IJNGDZ</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Applied sciences ; Buildings. Public works ; Computation methods. Tables. Charts ; creep ; dam ; damage ; discrete modelling ; Engineering Sciences ; Exact sciences and technology ; fracture ; Geotechnics ; granular media ; Hydraulic constructions ; Mechanics ; Mechanics of materials ; Physics ; Port facilities and coastal structures. Lighthouses and beacons ; rockfill ; rupture ; Soil mechanics. Rocks mechanics ; Structural analysis. Stresses</subject><ispartof>International journal for numerical and analytical methods in geomechanics, 2009-04, Vol.33 (5), p.665-685</ispartof><rights>Copyright © 2008 John Wiley & Sons, Ltd.</rights><rights>2009 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4173-445264e70a6d22665e6052f41de7eb11e280c3845c4175ede5f09c35ffca30873</citedby><cites>FETCH-LOGICAL-a4173-445264e70a6d22665e6052f41de7eb11e280c3845c4175ede5f09c35ffca30873</cites><orcidid>0000-0002-0282-7824 ; 0000-0002-3442-5387</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.743$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fnag.743$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21257982$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00358873$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Silvani, Claire</creatorcontrib><creatorcontrib>Désoyer, Thierry</creatorcontrib><creatorcontrib>Bonelli, Stéphane</creatorcontrib><title>Discrete modelling of time-dependent rockfill behaviour</title><title>International journal for numerical and analytical methods in geomechanics</title><addtitle>Int. J. Numer. Anal. Meth. Geomech</addtitle><description>This modelling study deals with the time‐dependent behaviour of rockfill media, which is of particular interest during the life of rockfill dams. Breakage of rock blocks and crack propagation are the main processes responsible for rockfill creep and collapse. The modelling procedure presented here is performed on two scales: on the rock block scale, where the grain is taken to be an assembly of rigid particles initially endowed with cohesive bonds, and on the rockfill scale, which is taken to involve a set of breakable grains interacting via contact and friction processes. The grain breakage process is described in term of a thermodynamically consistent damage interface model, where the damage is a gradual delayed process. This model was implemented in a non‐smooth contact dynamics code. The effects of the main parameters involved were analysed by performing numerical studies. The ability of the model to predict the creep behaviour of rockfill media is confirmed by presenting several simulations. Copyright © 2008 John Wiley & Sons, Ltd.</description><subject>Applied sciences</subject><subject>Buildings. Public works</subject><subject>Computation methods. Tables. Charts</subject><subject>creep</subject><subject>dam</subject><subject>damage</subject><subject>discrete modelling</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>fracture</subject><subject>Geotechnics</subject><subject>granular media</subject><subject>Hydraulic constructions</subject><subject>Mechanics</subject><subject>Mechanics of materials</subject><subject>Physics</subject><subject>Port facilities and coastal structures. Lighthouses and beacons</subject><subject>rockfill</subject><subject>rupture</subject><subject>Soil mechanics. Rocks mechanics</subject><subject>Structural analysis. 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Public works</topic><topic>Computation methods. Tables. Charts</topic><topic>creep</topic><topic>dam</topic><topic>damage</topic><topic>discrete modelling</topic><topic>Engineering Sciences</topic><topic>Exact sciences and technology</topic><topic>fracture</topic><topic>Geotechnics</topic><topic>granular media</topic><topic>Hydraulic constructions</topic><topic>Mechanics</topic><topic>Mechanics of materials</topic><topic>Physics</topic><topic>Port facilities and coastal structures. Lighthouses and beacons</topic><topic>rockfill</topic><topic>rupture</topic><topic>Soil mechanics. Rocks mechanics</topic><topic>Structural analysis. Stresses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Silvani, Claire</creatorcontrib><creatorcontrib>Désoyer, Thierry</creatorcontrib><creatorcontrib>Bonelli, Stéphane</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</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>Silvani, Claire</au><au>Désoyer, Thierry</au><au>Bonelli, Stéphane</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Discrete modelling of time-dependent rockfill behaviour</atitle><jtitle>International journal for numerical and analytical methods in geomechanics</jtitle><addtitle>Int. 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| ispartof | International journal for numerical and analytical methods in geomechanics, 2009-04, Vol.33 (5), p.665-685 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Buildings. Public works Computation methods. Tables. Charts creep dam damage discrete modelling Engineering Sciences Exact sciences and technology fracture Geotechnics granular media Hydraulic constructions Mechanics Mechanics of materials Physics Port facilities and coastal structures. Lighthouses and beacons rockfill rupture Soil mechanics. Rocks mechanics Structural analysis. Stresses |
| title | Discrete modelling of time-dependent rockfill behaviour |
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