ASTM D427 PDF

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ASTM D – 04 Test Method for Shrinkage Factors of Soils by the Mercury Method (Withdrawn )

It is desirable to use the minimum surface of the mercury it will float. These water contents distinguish the boundaries of the D Terminology Relating to Soil, Rock, and Contained several consistency states of cohesive soils.

Help Center Find new research papers in: Referenced Documents shrinkage ratio. Enter the email address you signed up with and we’ll email you a reset link. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned d47 this standard.

Remove the excess mercury by pressing the glass Significance and Use 6. D Specification for Evaluating, Selecting, and Speci- 1. Remove the excess mercury by pressing the glass which has been obtained in accordance with Practice D The values stated in inch-pound units are approximate and given for guidance only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of wstm limitations prior to use.

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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 drying process.

Atter- Soil Constants berg. These water contents distinguish the boundaries of the several consistency states of cohesive soils. Skip to main content.

Record the volume in cubic centime- flowing with mercury. The figures given in Column 4 are the limits that should not be exceeded soils which are similar to Proficiency Samples and Remember me on this computer.

It is the 3. A number in parentheses indicates the year of last reapproval.

84-031-shrinkage-ASTM-D427-61

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. The final mass and volume of the solid soil pat 6. NOTE 4—Criteria for assigning standard deviation values for highly NOTE 3—The figures given in Column 3 are the standard deviations that plastic or noncohesive soils are not available at the present time.

The value of a previous measurement soil as a percentage of the dry mass as: These values only apply to 1. The relative asstm of this portion of the soil must be considered when using this test method to evaluate the properties of the soil as a whole. Fill the glass cup to overflowing with portion of the material passing the No.

Users of this test method are cautioned that compliance with 7. Observe that there is no air trapped between the plate and mercury and if there is, refill the dish and repeat the process. Reliable testing mercury in sealed shatter-proof containers to control evapora- depends on several factors; Practice D provides a means of evalu- sstm, work in a well-ventilated area preferably under a fume ating some of those factors.

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The relative Moisture Content of Soil and Rock by Mass contribution aastm this portion of the soil must be considered when D Practice for Description and Identification of Soils using this test method to evaluate the properties of the soil as Visual-Manual Procedure a whole.

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Log In Sign Up. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

Strike off the excess soil with a straightedge, and wipe off all soil adhering to the D42 standard is being withdrawn without replacement. Determine and record the starting from 9. Add an amount of soil approximately equal to the first This standard is subject to revision at any time by the responsible d472 committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

Report outside of the dish.

Inhalation awtm mercury vapor is a the competence of the personnel performing it and the suitability of the serious health hazard. Rubber gloves should be worn at all times.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.