Designation:D5084-16a INTERNATIONAL Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter This standard is issued under the fixed designation D5084:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (s)indicates an editorial change since the last revision or reapproval. 1.Scope* possible.The key criterion is that the requirements covered in 1.1 These test methods cover laboratory measurement of the Section 5 have to be met. hydraulic conductivity (also referred to as coefficient of per- 1.3.2 If the hydraulic conductivity is less than about meabiliry)of water-saturated porous materials with a flexible 1 x 10-m/s then standard hydraulic systems and tempera- wall permeameter at temperatures between about 15 and 30C ture environments will typically not suffice.Strategies that may (59 and 86F).Temperatures outside this range may be used; be possible when dealing with such impervious materials may however the user would have to determine the specific gravity include the following:(a)controlling the temperature more of mercury and R (see 10.3)at those temperatures using data precisely (b)adoption of unsteady state measurements by from Handbook of Chemistry and Physics.There are six using high-accuracy equipment along with the rigorous an...