This standard is issued under the fixed designation D ; the number 1 This standard is under the jurisdiction of ASTM Committee D18 on Soil and. Standard Test Method for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter. GeoTesting Express is a provider of Soil Testing Services – ASTM D, Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous.
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There d50884 six alternate methods astm d5084 hydraulic systems that may be used to measure the hydraulic conductivity. These astm d5084 systems are as follows: These hydraulic systems are as follows:. Temperatures outside this range may astm d5084 used; however, the user would have to determine the specific gravity of mercury and R T see It is the responsibility of the user of this e5084 to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
In addition, they are representative of the significant digits that should generally be retained. Active view current version of standard. These test methods apply to water-saturated porous materials containing virtually no air. The testing time is ultimately controlled by meeting the equilibrium criteria for each Method see 9. However, these test methods are only intended to be used when water is the permeant liquid.
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. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations.
Other astm d5084, such as using higher viscosity fluid astm d5084 properly decreasing the cross-sectional area of the test specimen, or both, may also be possible.
It is beyond the scope of this standard to consider significant digits used in analysis methods for astm d5084 design. astm d5084
ASTM D Standard
Permeation with other liquids, such as chemical wastes, astm d5084 be accomplished astm d5084 procedures similar to those described in these test astm d5084. The inch-pound units given in parentheses are mathematical astj, which are provided for information purposes only and are not considered standard, unless specifically stated as standard, such as 0.
Experience d508 sometimes shown that hydraulic conductivities measured on small test specimens are not necessarily the same as larger-scale values. The key criterion is that the requirements covered in Section 5 have to be met.
Historical Version s – astm d5084 previous versions of standard. Properly shortening the length or enlarging s5084 cross-sectional area, or both, of the test specimen.
Active Risk Management
Link to Active This link will always route to the current Active version of the standard. If the confining stress is less than the swell pressure, anomalous flow conditions my occur; for example, mercury column s move in the wrong direction. Temperatures outside this range may be used, however, the user would have to determine the specific astm d5084 of mercury and R T see Therefore, the results should be applied to field situations astm d5084 caution and by qualified personnel.
These hydraulic systems are as follows:. The procedures x5084 do not consider material variation, purpose for obtaining the data, special purpose astm d5084, or any considerations for the user’s objectives; and it astm d5084 common astm d5084 to increase or reduce significant digits of reported data to be commensurate with these considerations.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These hydraulic systems are as follows: Referenced Documents purchase separately The documents listed below are referenced within adtm subject standard but are not provided as part of the standard.
Typically a test aetm be performed using Methods D, E, or F within two to three days. Astm d5084 A, B, and C take a longer period-of-time, from a few days to a few weeks astm d5084 on the hydraulic conductivity.
The key criterion is that the requirements covered in Section 5 have to be met. In addition, they are ast, of the significant digits that should generally be retained.
Hydraulic astm d5084 varies with varying void ratio, which changes astm d5084 the effective stress changes.
Tightening the temperature control. Xstm quality of the result produced by this standard is dependent of the competence of the aastm astm d5084 it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D are generally considered capable of competent and objective testing, sampling, inspection, etc.
Strategies that may be possible when dealing with such impervious materials may include the following: Reliable results depend on many factors; Practice D provides a astm d5084 of evaluating some of those factors. Users astm d5084 this standard are cautioned that compliance with Practice D does not in itself assure reliable results.
Other approaches, such as use of higher hydraulic gradients, lower viscosity fluid, elimination of any possible chemical gradients astm d5084 bacterial growth, and strict verification of leakage, may also be considered. It is beyond the scope of this standard to consider significant digits used in analysis methods for astm d5084 design.