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IMPOUNDED WATER LEVEL [3 records]
Record 1 - internal organization data 1999-10-05
Record 1, English
Record 1, Subject field(s)
- Hydrology and Hydrography
- Water Collection (Water supply)
Record 1, Main entry term, English
- rapid drawdown
1, record 1, English, rapid%20drawdown
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- sudden drawdown 2, record 1, English, sudden%20drawdown
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A term referring to the rate of drawdown in the level of water impounded in a reservoir. The term "rapid" is relative to the time taken by the phreatic surface in the embankment to follow the falling level in the reservoir, which may take several weeks or even months, being dependent on the permeability of the material forming the embankment. 3, record 1, English, - rapid%20drawdown
Record 1, French
Record 1, Domaine(s)
- Hydrologie et hydrographie
- Captage des eaux
Record 1, Main entry term, French
- abaissement brusque du plan d'eau
1, record 1, French, abaissement%20brusque%20du%20plan%20d%27eau
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Nous avons indiqué quatre digues en France et une aux États-Unis qui ont subi des désordres sur la face amont à la suite d'un abaissement brusque du plan d'eau dans la retenue. Actuellement, on prend des dispositions d'ailleurs simples pour éviter dans ce cas, que les sous-pressions ne viennent à réduire la stabilité. On charge la face amont avec des matériaux perméables qui se drainent instantanément. Lorsqu'on abaisse le plan d'eau, même si le noyau étanche ne se draine pas, c'est-à-dire s'il reste une pression interstitielle correspondant approximativement à la charge totale avant vidange, les recharges perméables ne subissant plus la poussée d'Archimède viennent appliquer sur le noyau une charge qui augmente brusquement du poids de l'eau déplacée, c'est-à-dire de une tonne par m³. On trouve là un élément très favorable à la stabilité de l'ouvrage. 1, record 1, French, - abaissement%20brusque%20du%20plan%20d%27eau
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1976-06-19
Record 2, English
Record 2, Subject field(s)
- Dams and Causeways
Record 2, Main entry term, English
- impounding the waters 1, record 2, English, impounding%20the%20waters
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
see "impounded water level" 1, record 2, English, - impounding%20the%20waters
Record 2, French
Record 2, Domaine(s)
- Barrages et chaussées
Record 2, Main entry term, French
- endiguement des eaux 1, record 2, French, endiguement%20des%20eaux
Record 2, Abbreviations, French
Record 2, Synonyms, French
- retenue des eaux 1, record 2, French, retenue%20des%20eaux
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1976-06-19
Record 3, English
Record 3, Subject field(s)
- Civil Engineering
Record 3, Main entry term, English
- impounded water level 1, record 3, English, impounded%20water%20level
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record 3, French
Record 3, Domaine(s)
- Génie civil
Record 3, Main entry term, French
- niveau de retenue 1, record 3, French, niveau%20de%20retenue
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
Record 3, Spanish
Record 3, Textual support, Spanish
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