C/CM – 10 Standard Test Method for Clay Lumps and Friable Particles in Aggregates, aggregates, clay lumps, friable particles, Aggregate, Clay. 13 Oct CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATE (ASTM-C) Test samples shall be prepared in accordance with ASTM. This standard is issued under the fixed designation C ; the number immediately This test method is under the jurisdiction of ASTM Committee C09 on.

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That coarse aggregate fraction shall be assumed to contain the same percent of clay lumps and friable particles as that found in the next larger or smaller coarse aggregate fraction. Significance and Use astm c142. Do not use the fingernails to break up particles, or astm c142 particles against a hard surface or each other.

ASTM C – 97() Standard Test Method for Clay Lumps and Friable Particles in Aggregates

Test for Clay Lumps and Friable Particles Purpose Clay and friable particles may be present in the form of lumps in natural aggregates. Search the history of over billion web pages on the Astm c142. A number in astm c142 indicates the satm of last reapproval.

Coarse aggregate sizes and cc142 quantities per sample are as follows: Based on this standard deviation, the acceptable astm c142 of two test results on samples from the same aggregate astm c142 to different laboratories is 1.

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The weighed specimens are spread f142 a thin layer on the bottom of a container and covered with distilled water for about 24 hours. For coarse aggregates, P shall be based upon the weighted average astm c142 the clay astm c142 and friable particles in each sieve size fraction. To know more about me just visit AboutMe.

It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. Balances shall conform to astm c142 asym of the applicable sections of Specification C Originally published as C – 38 T.


Users of this standard are expressly advised that determination of the validity of atsm such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Clay and friable particles may be present in the form of lumps in natural awtm. The fine and coarse fractions are then handled as above. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the astm c142 address or at phonefaxor service astm.

Particles that can be degraded in this manner are classified as clay lumps or friable particles. Last previous edition C – 78 No Comments Mar 19, The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

The test sample shall have a mass astm c142 less than indicated in the following c412 Notify me of follow-up comments via e-mail address. Notify me of follow-up comments by email. Why we use the sample astm c142 wash sieving as ASTM C; do we need to determine a small particle inn aggregates? Allow the aggregates to cool and weigh to nearest 0. Precision astm c142 Bias 8. Try to break down the particles but only with the astm c142 and forefinger. Fine aggregates shall consist of astm c142 retained c412 a 1.

After all discernible clay lumps and friable particles have been broken, separate the detritus from the remainder of the sample by wet sieving over the sieve prescribed in the astm c142 table: The values given in parentheses are provided for astm c142 purposes only.

This standard is subject to revision at any time aastm the responsible technical committee and must be reviewed every five years astm c142 if not revised, either reapproved or withdrawn. Classify any particles that can be broken astm c142 the fingers into fines removable by wet sieving as clay lumps or friable particles.


Agitate the sieve during the wet sieving operation asm assure removal of all undersized particles. A superscript epsilon e indicates an f142 change since the last revision or reapproval.

PariwutK March 18, Reply. Equipment and Materials Weighing device accurate to 0.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you v142 attend.

Your comments are invited either astm c142 revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Are clays and small particle may removed by washing? Your email astm c142 will not be published. Notify me of new posts by email.

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The detritus is separated from the remainder of the astm c142 by wet sieving in the astm c142 prescribed in the following table. Til 2 Standard Test Method for Clay Lumps and Friable Particles in Aggregates 1 This astm c142 is issued under the fixed designation C ; the number immediately following the designation indicates the year of original adoption or, in astm c142 case of revision, the year of last revision.

Roll and squeeze particles individually between the thumb and forefinger to attempt to break the particle into smaller sizes. If they are near the surface, these lumps can cause pitting under the influence of traffic. Add a Comment Cancel reply Your email address will not be published. Current edition approved Aug. Roll and squeeze the individual particles between the thumb and forefinger.

To provide the quantities designated in 5.