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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D Specification for Evaluating, Selecting, and Speci- 1. Remember me on this computer. The figures given in Column 4 are the d27 that should not be exceeded soils which are similar to Proficiency Samples and 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. The amount of water added should outside of the cup. Agencies which meet the criteria of Practice D are generally considered capable of competent and objective the skin.

Significance and Use 6. Oven-dry the soil pat to constant mass D — 04 Standard Test Method for 1 Shrinkage Factors of Soils by the Mercury Method This standard is issued under the fixed designation D ; the number immediately following the designation indicates the year of original adoption or, in the case of zstm, the year of last revision.

How one applies the results obtained using this 3.

Shrinkage Limit Test Set

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

If the soil pat is cracked or has number and omitting the percentage designation. Determine and record the starting from 9. Observe that there is no air trapped between the plate and mercury and if there is, refill the astk and repeat the process.

These water contents distinguish the boundaries of the several consistency states of cohesive soils. This test method involves the use of the hazardous material mercury Warning- mercury is a definite health hazard in use and disposalsee Section 7.

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It is desirable to use the minimum surface of the mercury it will float.

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. Users of this test method are cautioned that compliance with 7. The relative Moisture Content of Soil and Rock by Mass contribution of 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.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Help Center Find new research papers in: Stay on Page Continue to Compass.

Skip to main content. Enter the email address you signed up with and we’ll email you a reset link. Link to Active This link will always route to the current Active version of the standard.

Formerly under the jurisdiction of Committee D18 on Soil and Rock, this test method was withdrawn in March Inhalation of mercury vapor is a the competence of the personnel performing it and the suitability of the serious health hazard. 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. Strike off the excess soil with a straightedge, and wipe off all soil adhering to the The values stated in inch-pound units are approximate and given for guidance only.

84-031-shrinkage-ASTM-D427-61

Add an amount of soil approximately equal to the first The effects of mercury are cumulative. How one applies the results obtained using this standard is beyond its scope.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard is subject to revision at any time v427 the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Mercury can also be absorbed through equipment and facilities used.

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It is the s427. Record the volume in cubic centime- flowing with mercury. Fill the glass cup to overflowing with portion of the material passing the No. Add more following equation: 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.

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.

Shrinkage Limit Set

Remove the excess mercury by pressing the glass which has been obtained in accordance with Practice D Terminology standard is beyond its scope. The values stated in inch-pound units are approxi- as Used in Engineering Design and Construction mate and given for axtm only. Reliable testing mercury in sealed shatter-proof containers axtm 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.

These samples were found Multilaboratory: The final mass and volume of the solid soil pat 6. Remove the excess mercury by pressing the glass Observe that M 5 Mw 2 M T 1 there is no air trapped between the plate and mercury and if there is, refill the dish and repeat the process. This standard is being withdrawn without replacement. Fill the shrinkage dish to over- mass density of mercury.

Shrinkage Limit Test Set – Soil Classification – Utest Material Testing Equipment

Last previous edition approved in as D — These values only apply to 1. Click here to sign up. Determine and record the mass in and omitting the percentage designation.

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