Semi-analytical model for temporal clear-water scour at prototype piers
The temporal pier scour process was studied extensively for laboratory scale but remains poorly understood for prototype piers. This research presents a novel semi-analytical solution for temporal clear-water scour at prototype piers with arbitrary initial scour conditions, by integrating the fundam...
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| Veröffentlicht in: | Journal of hydraulic research 2014-05, Vol.52 (3), p.366-374 |
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| creator | Guo, Junke |
| description | The temporal pier scour process was studied extensively for laboratory scale but remains poorly understood for prototype piers. This research presents a novel semi-analytical solution for temporal clear-water scour at prototype piers with arbitrary initial scour conditions, by integrating the fundamental mass conservation law and the empiricism from previous studies. The proposed solution includes the conventional power-, log- and exponential laws for the initial, growth and decay phases, respectively, in a single model agreeing with recent high-quality data for long durations and prototype scour with a determination coefficient higher than 0.98. The results show that (i) temporal pier scour process is described by two basic parameters: characteristic time t
c
and equilibrium scour depth η
∞
; and (ii) the proposed solution may be useful for data correction in relation to η
∞
and for real-time bridge scour monitoring during floods. Yet, its predictive power depends on the predictability of t
c
and η
∞
, indicating a future research need. |
| doi_str_mv | 10.1080/00221686.2013.877527 |
| format | Article |
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c
and equilibrium scour depth η
∞
; and (ii) the proposed solution may be useful for data correction in relation to η
∞
and for real-time bridge scour monitoring during floods. Yet, its predictive power depends on the predictability of t
c
and η
∞
, indicating a future research need.</description><identifier>ISSN: 0022-1686</identifier><identifier>EISSN: 1814-2079</identifier><identifier>DOI: 10.1080/00221686.2013.877527</identifier><identifier>CODEN: JHYRAF</identifier><language>eng</language><publisher>Delft: Taylor & Francis</publisher><subject>Bridge scour ; Computational fluid dynamics ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Engineering geology ; Exact sciences and technology ; Hydrology ; Hydrology. Hydrogeology ; Law ; local scour ; Mathematical models ; Monitoring ; Phases ; pier scour ; Piers ; prototype scour ; Prototypes ; Temporal logic ; temporal scour</subject><ispartof>Journal of hydraulic research, 2014-05, Vol.52 (3), p.366-374</ispartof><rights>2014 International Association for Hydro-Environment Engineering and Research 2014</rights><rights>2015 INIST-CNRS</rights><rights>2014 International Association for Hydro-Environment Engineering and Research</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-c015d74e4ddd4207eb70d3c25eea33474766468b305717f078ba87da20c933393</citedby><cites>FETCH-LOGICAL-c464t-c015d74e4ddd4207eb70d3c25eea33474766468b305717f078ba87da20c933393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/00221686.2013.877527$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/00221686.2013.877527$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,59647,60436</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28601707$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Guo, Junke</creatorcontrib><title>Semi-analytical model for temporal clear-water scour at prototype piers</title><title>Journal of hydraulic research</title><description>The temporal pier scour process was studied extensively for laboratory scale but remains poorly understood for prototype piers. This research presents a novel semi-analytical solution for temporal clear-water scour at prototype piers with arbitrary initial scour conditions, by integrating the fundamental mass conservation law and the empiricism from previous studies. The proposed solution includes the conventional power-, log- and exponential laws for the initial, growth and decay phases, respectively, in a single model agreeing with recent high-quality data for long durations and prototype scour with a determination coefficient higher than 0.98. The results show that (i) temporal pier scour process is described by two basic parameters: characteristic time t
c
and equilibrium scour depth η
∞
; and (ii) the proposed solution may be useful for data correction in relation to η
∞
and for real-time bridge scour monitoring during floods. Yet, its predictive power depends on the predictability of t
c
and η
∞
, indicating a future research need.</description><subject>Bridge scour</subject><subject>Computational fluid dynamics</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Engineering geology</subject><subject>Exact sciences and technology</subject><subject>Hydrology</subject><subject>Hydrology. Hydrogeology</subject><subject>Law</subject><subject>local scour</subject><subject>Mathematical models</subject><subject>Monitoring</subject><subject>Phases</subject><subject>pier scour</subject><subject>Piers</subject><subject>prototype scour</subject><subject>Prototypes</subject><subject>Temporal logic</subject><subject>temporal scour</subject><issn>0022-1686</issn><issn>1814-2079</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkU9LAzEQxYMoWKvfwMOCCF62Tv5skj2JFK2C4EE9hzSbhS3ZZk1SSr-9WWo9eNDTkOH3ZibvIXSJYYZBwi0AIZhLPiOA6UwKURFxhCZYYlYSEPUxmoxIOTKn6CzGVX5yXvMJWrzZviv1Wrtd6ox2Re8b64rWhyLZfvAht4yzOpRbnWwoovGbUOhUDMEnn3aDLYbOhniOTlrtor34rlP08fjwPn8qX14Xz_P7l9IwzlJpAFeNYJY1TcPyaXYpoKGGVNZqSplggnPG5ZJCJbBoQcillqLRBExNKa3pFN3s5-b9nxsbk-q7aKxzem39JirMGaGY1IT8j1aM1rXId2X06he6yt_MpowUrZkEkDRTbE-Z4GMMtlVD6HoddgqDGoNQhyDUGITaB5Fl19_DdcwOt0GvTRd_tERywAJG7m7Pdetsf6-3PrhGJb1zPhxE9M9NXwc1maI</recordid><startdate>20140504</startdate><enddate>20140504</enddate><creator>Guo, Junke</creator><general>Taylor & Francis</general><general>International Association for Hydraulic Research</general><general>Taylor & Francis Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TB</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>20140504</creationdate><title>Semi-analytical model for temporal clear-water scour at prototype piers</title><author>Guo, Junke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-c015d74e4ddd4207eb70d3c25eea33474766468b305717f078ba87da20c933393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bridge scour</topic><topic>Computational fluid dynamics</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Engineering geology</topic><topic>Exact sciences and technology</topic><topic>Hydrology</topic><topic>Hydrology. Hydrogeology</topic><topic>Law</topic><topic>local scour</topic><topic>Mathematical models</topic><topic>Monitoring</topic><topic>Phases</topic><topic>pier scour</topic><topic>Piers</topic><topic>prototype scour</topic><topic>Prototypes</topic><topic>Temporal logic</topic><topic>temporal scour</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Junke</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Mechanical & Transportation Engineering 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>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of hydraulic research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Junke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Semi-analytical model for temporal clear-water scour at prototype piers</atitle><jtitle>Journal of hydraulic research</jtitle><date>2014-05-04</date><risdate>2014</risdate><volume>52</volume><issue>3</issue><spage>366</spage><epage>374</epage><pages>366-374</pages><issn>0022-1686</issn><eissn>1814-2079</eissn><coden>JHYRAF</coden><abstract>The temporal pier scour process was studied extensively for laboratory scale but remains poorly understood for prototype piers. This research presents a novel semi-analytical solution for temporal clear-water scour at prototype piers with arbitrary initial scour conditions, by integrating the fundamental mass conservation law and the empiricism from previous studies. The proposed solution includes the conventional power-, log- and exponential laws for the initial, growth and decay phases, respectively, in a single model agreeing with recent high-quality data for long durations and prototype scour with a determination coefficient higher than 0.98. The results show that (i) temporal pier scour process is described by two basic parameters: characteristic time t
c
and equilibrium scour depth η
∞
; and (ii) the proposed solution may be useful for data correction in relation to η
∞
and for real-time bridge scour monitoring during floods. Yet, its predictive power depends on the predictability of t
c
and η
∞
, indicating a future research need.</abstract><cop>Delft</cop><pub>Taylor & Francis</pub><doi>10.1080/00221686.2013.877527</doi><tpages>9</tpages></addata></record> |
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| source | Taylor & Francis Journals Complete |
| subjects | Bridge scour Computational fluid dynamics Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Engineering geology Exact sciences and technology Hydrology Hydrology. Hydrogeology Law local scour Mathematical models Monitoring Phases pier scour Piers prototype scour Prototypes Temporal logic temporal scour |
| title | Semi-analytical model for temporal clear-water scour at prototype piers |
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