Sediment in Sewers: Initiation of Transport
The initiation of sediment transport in sewers was investigated in field and laboratory studies. From the field studies it was concluded that some deposits in sewers are permanent due to the insufficient capability of the flow to erode the deposits. From the laboratory studies it was concluded that...
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| Veröffentlicht in: | Water science and technology 1990-01, Vol.22 (10-11), p.239-246 |
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| container_issue | 10-11 |
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| container_title | Water science and technology |
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| creator | Kleijwegt, Rob A. Veldkamp, Robin G. Nalluri, Chandra |
| description | The initiation of sediment transport in sewers was investigated in field and laboratory studies. From the field studies it was concluded that some deposits in sewers are permanent due to the insufficient capability of the flow to erode the deposits. From the laboratory studies it was concluded that the upper limit of the critical shear stresses for cohesive sewer sediments may not exceed 5-7 N/m2. Non-cohesive sediments are eroded at lower shear stresses than predicted by Shields' criterion. The shear stresses were calculated using the general equations of continuity and motion and Einstein's separation technique for channels of compound roughness. Experiments showed the validity of this method. |
| doi_str_mv | 10.2166/wst.1990.0310 |
| format | Article |
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From the field studies it was concluded that some deposits in sewers are permanent due to the insufficient capability of the flow to erode the deposits. From the laboratory studies it was concluded that the upper limit of the critical shear stresses for cohesive sewer sediments may not exceed 5-7 N/m2. Non-cohesive sediments are eroded at lower shear stresses than predicted by Shields' criterion. The shear stresses were calculated using the general equations of continuity and motion and Einstein's separation technique for channels of compound roughness. Experiments showed the validity of this method.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.1990.0310</identifier><language>eng</language><publisher>London: IWA Publishing</publisher><subject>Cohesionless sediments ; Cohesive sediments ; Freshwater ; Laboratories ; Mathematical models ; Roughness ; Sediment transport ; Sediments ; Sewers ; Shear ; Shear stress ; Stresses ; Transport</subject><ispartof>Water science and technology, 1990-01, Vol.22 (10-11), p.239-246</ispartof><rights>Copyright IWA Publishing Oct 1990</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-4034eb6b97acf4636a1bac9094f64722a9a25e66a7528603c968d25876e0026a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><contributor>Nalluri, C</contributor><contributor>Veldkamp, RG</contributor><contributor>Aalderink, RH</contributor><contributor>Ellis, SB (eds)</contributor><contributor>Kleijwegt, RA</contributor><contributor>Ljiklema, L</contributor><creatorcontrib>Kleijwegt, Rob A.</creatorcontrib><creatorcontrib>Veldkamp, Robin G.</creatorcontrib><creatorcontrib>Nalluri, Chandra</creatorcontrib><title>Sediment in Sewers: Initiation of Transport</title><title>Water science and technology</title><description>The initiation of sediment transport in sewers was investigated in field and laboratory studies. From the field studies it was concluded that some deposits in sewers are permanent due to the insufficient capability of the flow to erode the deposits. From the laboratory studies it was concluded that the upper limit of the critical shear stresses for cohesive sewer sediments may not exceed 5-7 N/m2. Non-cohesive sediments are eroded at lower shear stresses than predicted by Shields' criterion. The shear stresses were calculated using the general equations of continuity and motion and Einstein's separation technique for channels of compound roughness. Experiments showed the validity of this method.</description><subject>Cohesionless sediments</subject><subject>Cohesive sediments</subject><subject>Freshwater</subject><subject>Laboratories</subject><subject>Mathematical models</subject><subject>Roughness</subject><subject>Sediment transport</subject><subject>Sediments</subject><subject>Sewers</subject><subject>Shear</subject><subject>Shear stress</subject><subject>Stresses</subject><subject>Transport</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqF0E1LAzEQgOEgCtbq0fuC4EW2TibZfHiT4keh4KH1HNJtFlLapCZZiv_eLfXkxdPM4WFgXkJuKUyQCvF4yGVCtYYJMApnZDTsotaS4TkZAUpWU0R2Sa5y3gCAZBxG5GHh1n7nQql8qBbu4FJ-qmbBF2-Lj6GKXbVMNuR9TOWaXHR2m93N7xyTz9eX5fS9nn-8zabP87pl2JSaA-NuJVZa2rbjgglLV7bVoHknuES02mLjhLCyQSWAtVqoNTZKCgeAwrIxuT_d3af41btczM7n1m23NrjYZ4NcS62o-BfSRoFWDAd49wduYp_C8IShmjOqqGIwqPqk2hRzTq4z--R3Nn0bCuZY2AyFzbGwORZmPyrZa6g</recordid><startdate>19900101</startdate><enddate>19900101</enddate><creator>Kleijwegt, Rob A.</creator><creator>Veldkamp, Robin G.</creator><creator>Nalluri, Chandra</creator><general>IWA Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7UA</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FE</scope><scope>8FG</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H96</scope><scope>H97</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>L6V</scope><scope>M0S</scope><scope>M1P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>7TV</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>19900101</creationdate><title>Sediment in Sewers: Initiation of Transport</title><author>Kleijwegt, Rob A. ; 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| fulltext | fulltext |
| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 1990-01, Vol.22 (10-11), p.239-246 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_24979816 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Cohesionless sediments Cohesive sediments Freshwater Laboratories Mathematical models Roughness Sediment transport Sediments Sewers Shear Shear stress Stresses Transport |
| title | Sediment in Sewers: Initiation of Transport |
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