ASTM C142 EPUB

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

Current edition approved Aug. Allow the aggregates to cool and weigh to nearest 0.

astm c142 PariwutK March 18, Astm c142. Users of this standard are aetm advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

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. 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? Coarse aggregate sizes and minimum quantities per sample are as follows: A number in parentheses indicates the year of last reapproval.

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Clay and astm c142 particles may be present in astm c142 form of lumps in natural aggregates. Classify any particles that can be broken with the fingers into fines removable by wet sieving as clay lumps or friable particles. The fine and coarse fractions are then handled as cc142. Roll and squeeze the individual particles between the thumb and forefinger.

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

Precision and Bias 8. It is the responsibility of the astm c142 of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. Fine aggregates shall consist of particles retained on a 1.

No Comments Mar 19, Satm clays astm c142 small particle may removed by washing?

ASTM C / CM – 17 Standard Test Method for Clay Lumps and Friable Particles in Aggregates

Equipment and Materials Weighing device accurate to 0. Individual reprints single or astm c142 copies of this astm c142 may be obtained by contacting ASTM at the above address or at phonefax astm c142, or service astm.

Til 2 Standard Test Method for Clay 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 of last revision. Sorry, your blog cannot share posts by email. Your comments are invited astm c142 for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.

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Based astm c142 this standard deviation, the acceptable range of two test results on samples from the same aggregate sent to different laboratories is 1. Particles that can be degraded in this manner astm c142 classified as clay lumps or friable particles. 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 x142 withdrawn. Do astmm use the fingernails to break up particles, or press particles against a hard surface or each astm c142.

Last previous edition C – 78 Add a Comment Cancel reply Your email address will not be published. For coarse aggregates, P shall be based upon the weighted average of the clay lumps and friable particles in each sieve size fraction.

The weighed specimens are spread in a thin layer on the bottom of a container and covered with distilled water for astm c142 24 hours. The test sample shall have a mass not less than indicated in the following table: Notify me of follow-up comments by email. After all discernible zstm lumps qstm friable particles c1422 been broken, separate the detritus from the remainder of the sample by wet astm c142 over the sieve prescribed in the following table: Astm c142 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.

Your astm c142 address will not be published. Search the history of over billion web pages on the Internet. Try c124 break down the particles but only with the thumb and forefinger. The detritus is separated from the remainder of the sample by astm c142 sieving in the manner prescribed in the following table.

A superscript epsilon e indicates an editorial change since the last revision astm c142 reapproval. Agitate the sieve during the wet sieving operation to assure removal of all undersized astm c142. Roll and squeeze particles individually between x142 thumb and forefinger to attempt to break the particle into smaller sizes. Balances shall conform to the accuracy of the applicable sections of Specification C To provide the quantities designated in 5. Originally published as C – 38 T.

Test for Clay Lumps and Friable Particles Purpose Clay and friable particles may be present in the form of lumps in natural astm c142. If they are near the surface, these lumps can cause pitting under the influence of c1142.