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Standard Test Method for Determining Specific Capacity and Estimating Transmissivity at the Control Well (Includes all amendments And changes 8/16/2017).
Automaticky preložený názov:
Štandardné skúšobnú metódu pre stanovenie určitú kapacitu a Odhad priestupnosť na ovládacie Well
NORMA vydaná dňa 10.6.1999
Označenie normy: ASTM D5472-93(1999)e1
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.6.1999
Kód tovaru: NS-31362
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
Aquifers, Control wells, Ground water, Hydraulic conductivity, Observation wells, Specific capacity, Storage coefficient, Transmissivity, Unconfined aquifers, specific capacity/estimating transmissivity at control well, test, ICS Number Code 13.060.10 (Water of natural resources)
1. Scope | ||||||
1.1 This test describes a procedure for conducting a specific capacity test, computing the specific capacity of a control well, and estimating the transmissivity in the vicinity of the control well. Specific capacity is the well yield per unit drawdown at an identified time after pumping started. 1.2 This test method is used in conjunction with Test Method D4050 for conducting withdrawal and injection well tests. 1.3 The method of determining transmissivity from specific capacity is a variation of the nonequilibrium method of Theis (1) for determining transmissivity and storage coefficient of an aquifer. The Theis nonequilibrium method is given in Test Method D4106. 1.4 Limitations -The limitations of the technique for determining transmissivity are primarily related to the correspondence between the field situation and the simplifying assumptions of the Theis method. 1.5 The values stated in SI units are to be regarded as standard. 1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not address safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||
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