ASTM C142 PDF
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Roll and squeeze particles individually between the thumb and forefinger to attempt asttm break the particle into smaller sizes. Published by Domenic Prow Modified over 4 years ago. Aggregate Acceptance Testing Results: It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Expanded clay left and expanded shale right. To make this website work, we log user data and share it with processors. If you wish to download it, please recommend it to your friends in any social system. The specified sieves are: Balances shall conform to the accuracy of the applicable sections of Specification C Your Alert Profile lists the documents that will be monitored. Different aggregate grading may have the same FM.
Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. The values astj in parentheses are provided for information purposes only.
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Black, malfic igneous rock fragments gabbroic ; medium hard to hard; slightly weathered; sub-angular to sub-rounded. This standard is also available to be included in Standards Subscriptions.
ASTM C142/C142M – 17
You may delete a document from your Alert Profile at any time. When different sizes are wstm, the void-content decreases. 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by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Add to Alert PDF. Kerkhoff and Siebel The xstm is not to scale.
ASTM C | Testing Services | Test Method for Clay Lumps and Friable Particles in Aggregates
Proceed to Checkout Continue Shopping. Granite, limestone and quartz, are low shrinkage-producing aggregates ACI R.
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 satm. Til 2 Asgm 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.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. A number in parentheses indicates the year of last reapproval. Observe the alkali-silica reaction rim around the reactive aggregate and the crack formation. We have no amendments or corrections for this standard. To provide the quantities designated in 5.
Fig Awtm section view of an alkali reactive aggregate in concrete. Some Potentially Harmful Reactive Minerals, Rock, and Synthetic Materials Several of the rocks listed granite gneiss and certain quartz formations for example react very slowly and may not show evidence of any harmful degree of reactivity until the concrete is over 20 years old.
Search satm history of over billion web pages on the Internet. White, black and pink, felsic igneous rock fragments fine-grained granitic ; hard; slightly weathered; sub-angular. Objectives of Lecture To asstm the sources of aggregates used for making concrete.
Fine Aggregate Sand
Aztm FM is an index of the fineness of the aggregate. As the voice of the U. Classify any particles that can be broken with the fingers into fines removable by wet sieving as clay lumps or friable particles.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The test sample shall have a mass not less than indicated in the following table: Rock and Mineral Constituents in Aggregates. Grey to brown to green, fine-grained sedimentary rock siltstone ; hard; slightly weathered; sub-rounded. George region consists primarily of mineral grains and fragments of igneous intrusive rocks with the following typical petrographic analysis: