ASTM International - ASTM D5855-95(2013)

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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Organization: ASTM International
Publication Date: 15 March 2013
Status: historical
Page Count: 5
ICS Code (Water of natural resources): 13.060.10
significance And Use:

5.1 Assumptions-Leaky Aquifer:

5.1.1 Drawdown (sW) in the control well is constant,

5.1.2 Well is infinitesimal diameter and fully penetrates... View More

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 D5786.

1.3 Limitations-The 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 Units-The values stated in either SI Units or inch-pound units are to be regarded separately as standard. The values in each system may not be exact equivalents; therefore each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Reporting of test results in units other than SI shall not be regarded as nonconformance with this test method.

1.5 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.

1.6 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.

Document History

ASTM D5855-95(2013)
March 15, 2013
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
5.1 Assumptions—Leaky Aquifer: 5.1.1 Drawdown (sW) in the control well is constant, 5.1.2 Well is infinitesimal diameter and fully penetrates aquifer, 5.1.3 The aquifer is homogeneous, isotropic,...
September 15, 2006
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
Assumptions Leaky Aquifer: Drawdown (sW) in the control well is constant, Well is infinitesimal diameter and fully penetrates aquifer, The aquifer is homogeneous, isotropic, and areally extensive,...
December 10, 1995
Standard Test Method for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of a Confined Nonleaky or Leaky Aquifer by Constant Drawdown Method in a Flowing Well
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...
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