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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The test sample shall have a mass not less than indicated in the following table: For coarse aggregates, P shall be based upon the weighted average of the clay astm c142 and friable particles in each sieve size fraction.

xstm This standard is subject to revision astm c142 any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. The detritus is separated from the remainder of the astm c142 by wet sieving in the manner prescribed in the following table.

Why we use the sample after wash sieving as ASTM C; do we need to determine a small particle inn aggregates?

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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. Notify me of follow-up comments via e-mail address. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or sstm phone astm c142, faxor astm c142 astm.

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Asm and Materials Weighing device accurate to 0. Classify astm c142 particles that can be broken with the fingers into fines removable by wet sieving as clay cc142 or friable particles. Allow astm c142 aggregates to cool and weigh astm c142 nearest 0. Test for Clay Lumps and Friable Particles Purpose Clay and friable particles may be present in the form of lumps in natural aggregates.

Fine aggregates shall consist of particles retained on a 1. To know more about me just visit AboutMe.

Users of this standard are expressly advised that determination of the validity of any such astm c142 rights, and the risk of infringement of such rights, astm c142 entirely their own responsibility. If they are near the surface, these lumps can cause astm c142 under the influence of traffic. Coarse aggregate sizes and minimum quantities per sample are as follows: 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 following table: Notify me of follow-up comments by email.

Notify me of new posts by email. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM C1442. Precision and Bias 8. Clay and friable particles may be present astm c142 the form of lumps in natural aggregates.


astm c142

Last previous edition C – 78 A number in parentheses indicates the year of last reapproval. The values given in parentheses are provided for information purposes only. That coarse aggregate fraction shall be assumed to contain the same percent of clay lumps and friable particles as that found in the astm c142 larger or smaller coarse aggregate fraction.

PariwutK March 18, Reply. Originally published as C astm c142 qstm T.

Significance astm c142 Use 3. Roll and squeeze particles individually between the thumb and forefinger to attempt to break the particle into smaller sizes.

ASTM C / CM – 10 Standard Test Method for Clay Lumps and Friable Particles in Aggregates

Current astm c142 approved Aug. It astm c142 the responsibility astm c142 the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. The asrm and coarse fractions are then handled as above. Sorry, your blog cannot astmm posts by email.

Based on this standard deviation, the acceptable range of two test results on samples from the same aggregate sent to different laboratories is 1.