ASTM D5785/D5785M-20

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Standard Practice for (Analytical Procedure) for Determining Transmissivity of Confined Nonleaky Aquifers by Underdamped Well Response to Instantaneous Change in Head (Slug Test)
standard by ASTM International, 05/15/2020

Document Format: PDF

Description

1.1 This practice covers determination of transmissivity from the measurement of the damped oscillation about the equilibrium water level of a well-aquifer system to a sudden change of water level in a well. Underdamped response of water level in a well to a sudden change in water level is characterized by oscillatory fluctuation about the static water level with a decrease in the magnitude of fluctuation and recovery to initial water level. Underdamped response may occur in wells tapping highly transmissive confined aquifers and in deep wells having long water columns.

Product Details

Published:
05/15/2020
Number of Pages:
6
File Size:
1 file , 150 KB
Redline File Size:
2 files , 350 KB
Note:
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