ASTM C142 PDF

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GeoTesting Express is a provider of Aggregate Testing Services – ASTM C, Test Method for Clay Lumps and Friable Particles in Aggregates. CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATE (ASTM-C) Test samples shall be prepared in accordance with ASTM. Buy ASTM C /CM: TEST METHOD FOR CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATES from SAI Global.

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Originally published as C – 38 T. Aggregate Acceptance Testing Results: 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by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

ASTM C142/C142M – 17

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. It is defined by size, being finer than gravel and coarser than silt.

Significance and Use 3. Only certain sources of these materials have shown reactivity.

The specified sieves are: Granite, limestone and quartz, are low shrinkage-producing aggregates ACI R. The illustration is not to scale.

Fine Aggregate Sand

Balances shall conform to the accuracy of the applicable sections of Specification C The Sand located in Bay St. Home Fine Aggregate Sand. Rock and Mineral Constituents in Aggregates. If you wish to download it, please recommend it to your friends in any social system.

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Please first log in with a verified email before subscribing to alerts. The FM is an index of the fineness of the aggregate. Based on this standard deviation, the acceptable range of two test results on samples from the same aggregate sent to different laboratories is 1. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above cc142 or at phonefaxor service astm. You may delete a document from your Alert Profile at any time. Already Subscribed to this document. Sand is a naturally occurring granular material composed of finely divided rock and mineral particles. We have no amendments or corrections for this standard. This standard is also available to be included in Standards Subscriptions.

1. ASTM C [Clay lump and friable particles in aggregates] by fritz lejarso on Prezi

After all discernible clay lumps and c412 particles have been broken, separate the detritus from the remainder of the sample by wet sieving over the sieve prescribed in the following table: The test sample shall have a mass not less than indicated in the following table: 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.

My presentations Profile Feedback Log out. Observe the alkali-silica reaction rim around the reactive aggregate and the crack formation. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Road bases and fills PCC:. Fig Polished section view c42 an alkali reactive aggregate in concrete. Objectives of Lecture To explain the sources of aggregates used for making concrete.

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

Add to Alert PDF. Inset shows closeup of a popout. A superscript epsilon e indicates an editorial change since the last revision or reapproval. As the voice sstm the U. Aggregate Uses Rock like material that has many Civil Engineering applications: Search the history of over billion web pages on the Internet.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Combining values from the two systems may result in non-conformance with the standard. Less cement and water are required in mixtures having large coarse aggregate Bureau of Reclamation A number in parentheses indicates the year of last reapproval. White, black and pink, felsic igneous rock fragments fine-grained granitic ; hard; slightly weathered; sub-angular.

When different sizes are combined, the void-content decreases.