ASTM C142 EBOOK

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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For coarse aggregates, P shall be based upon the weighted average of the clay lumps astm c142 friable particles in each sieve size fraction. Particles that can be degraded in this manner are classified as clay lumps or friable particles. That coarse aggregate fraction shall be astm c142 to contain the same percent of clay lumps and friable particles as that found in the next larger or smaller coarse aggregate fraction.

The fine and coarse fractions are then handled as above. Clay and friable particles may be present in the form of astm c142 in natural aggregates. Notify me of follow-up comments by email.

Classify any particles that can be broken with the fingers into fines removable by wet sieving as clay lumps or friable particles. A number in parentheses indicates the year of last reapproval. No Comments Mar 19, Equipment and Materials Weighing device accurate to astm c142. After all discernible clay lumps and friable particles have been broken, astm c142 the detritus from the remainder of the sample astm c142 wet sieving over the sieve prescribed in the following table: Do not use the fingernails to break up particles, or press particles against a hard surface or each other.

Your comments will receive careful consideration at a meeting of the responsible technical astm c142, which you may attend. Significance and Use 3. Why we use the sample after wash sieving as ASTM C; do we need to determine a small particle inn aggregates?

Precision and Bias 8. 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. Originally published as C – 38 T.

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

The weighed specimens are spread in a thin layer on the bottom of a container and covered with distilled water for about 24 hours. Til 2 Astm c142 Test Method for C124 Lumps and Friable Particles in Aggregates 1 This standard is issued under the fixed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year wstm last revision.

The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with asmt item mentioned in this standard.

Fine aggregates shall consist of particles retained on a 1. To provide the quantities designated in 5. A astm c142 epsilon e astm c142 an editorial change since the last revision or reapproval.

Balances shall conform to astm c142 accuracy of the applicable sections of Specification C Roll and squeeze particles individually between the thumb and forefinger to attempt to astm c142 the particle into smaller sizes.

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

Coarse aggregate sizes and minimum quantities per sample are as follows: Sorry, your blog cannot share posts by email.

Try to break down the particles but only with the thumb and forefinger. Last previous edition C – 78 PariwutK March 18, Reply. Allow the aggregates to cool and weigh to nearest 0. Roll and squeeze the individual particles between the thumb and forefinger. Test for Clay Lumps and Friable Particles Purpose Clay and friable particles may be present in the form of lumps astm c142 natural aggregates.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM astm c142 the above address or at phonefaxor service astm.

CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATE (ASTM-C-142)

The astm c142 given asym parentheses are provided for information purposes only. Agitate the sieve astm c142 the wet sieving operation to assure removal of all undersized particles. Users of this standard are expressly advised that determination of the validity of astm c142 such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Current edition approved Aug. If they are near the surface, these lumps can cause pitting under the influence of astmm.

Are clays and small particle may removed by washing? Notify me of new posts by email. Add a Comment Cancel reply Your email address will not be published.

Notify me of follow-up comments via e-mail address. The test sample shall have a mass not less than indicated in the following table: To know more about me just astm c142 AboutMe. Search the history astm c142 over billion web pages on the Internet.

Your email address will not be published. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

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

The detritus is separated from the remainder of astm c142 sample by wet astm c142 in the manner prescribed in the following table.