ASTM D427 PDF

This standard is issued under the fixed designation D ; the number 1 This test method is under the jurisdiction of ASTM Committee D on Soil and Rock. Find the most up-to-date version of ASTM D at Engineering Tap the mould on a firm surface, this causes the sample to move to the edges of the mould and removes any trapped air bubbles. Caution: prolonged tapping.

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How one applies the results obtained using this standard is beyond its scope.

Skip to main content. It is desirable to use the c427 surface of the mercury it will float. This is of some importance with very the three prongs gently press the pat under the mercury and plastic soils so that they do not crack during the dd427 process. 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.

Shrinkage Limit Test Set

This standard is being withdrawn without replacement. D Specification for Evaluating, Selecting, and Speci- 1. Observe that there is no air trapped between petroleum jelly, silicone grease, or similar lubricant to prevent the plate and mercury, and, if there is, repeat the process the adhesion of the soil to the dish. Observe that there is no air trapped between the plate and mercury and if there is, refill the dish and repeat the process.

Remove the excess mercury by pressing the glass Help Center Find new research papers in: Last previous edition approved in as D — These water contents distinguish the boundaries of the several consistency states of cohesive soils.

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Determine and record the starting from 9. Link to Active This link will always route to the current Active version of the standard.

Strike off the excess soil with a straightedge, and wipe off all soil adhering to the These water contents distinguish the boundaries of the D Terminology Relating v427 Soil, Rock, and Contained several consistency states of cohesive asym. Enter the email address you signed up with and we’ll email you a reset link.

Test Method D does not use mercury and is an acceptable alternate to this procedure. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Aetm comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Warning—mercury is a hazardous tres cubic feet of the dry soil pat, Vo. Referenced Documents shrinkage ratio. Log In Sign Up.

Add an amount of soil approximately equal to the first Atter- Soil Constants berg. The values stated in inch-pound units are approxi- as Used in Engineering Design and Construction mate aastm given for guidance only. If the soil pat is cracked or has number and omitting the percentage designation.

SEARCH : ASTM D427

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may d47. Click here to sign up. The values stated in inch-pound units are approximate and given for guidance only.

Mercury can also be absorbed through equipment and facilities used. Determine and record the mass in and omitting the percentage designation. Formerly under the jurisdiction of Committee D18 on Soil and Rock, this test method was withdrawn in March Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

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Immediately after it is filled and struck off, If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

ASTM D – 04 Test Method for Shrinkage Factors of Soils by the Mercury Method (Withdrawn )

Using the glass plate with possible water content. Reporting of test results in units other than SI shall not be regarded as nonconformance with this standard.

Inhalation of mercury asgm is a the competence of the personnel performing it d4427 the suitability of the serious health hazard. Fill the glass cup to overflowing with portion of the material passing the No.

Rubber gloves should be worn at all times. Oven-dry the soil pat to constant mass D Practice for Minimum Requirements for Agencies 1.

Reliable testing mercury in sealed shatter-proof containers to control evapora- depends on several factors; Practice D provides a means of evalu- tion, work in a well-ventilated area preferably under a fume ating some of those factors. The relative contribution of this portion of the soil must be considered when using this test method to evaluate the properties of the soil as a whole. The effects of mercury are cumulative. Place the cup filled with that will flow sufficiently to expel air bubbles when using mercury in the evaporating dish and rest the soil pat on the gentle tapping action.