ASTM-D5855 › Standard Test Method for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Confined Nonleaky or Leaky Aquifer by Constant Drawdown Method in Flowing Well
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Scope
1.1 This test method covers an analytical solution for determining transmissivity and storage coefficient of a leaky or nonleaky confined aquifer. It is used to analyze data on the flow rate from a control well while a constant head is maintained in the well.
1.2 This analytical procedure is used in conjunction with the field procedure in Practice D 5786.
1.3 LimitationsThe limitations of this technique for the determination of hydraulic properties of aquifers are primarily related to the correspondence between field situation and the simplifying assumption of the solution.
1.4 This standard does not purport to address all of the safety concerns, if any, 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.
Keywords
aquifers; aquifer tests; control wells; ground water; observation wells; storage coefficient; transmissivity; ICS Number Code 13.060.10 (Water of natural resources)
To find similar documents by ASTM Volume:
04.08 (Soil and Rock (I): D420 - D5876)
To find similar documents by classification:
13.060.10 (Water of natural resources)
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Document Number
ASTM-D5855_D5855M-20
Revision Level
2020 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
June 29, 2020
Document Type
Test Method
Page Count
6 pages
Committee Number
D18.21