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

The specified sieves are: Kerkhoff and Siebel 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.

The test sample shall have a mass not less than indicated in the following table: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. The Sand located in Bay St.

Combining values from the two systems may result in non-conformance asttm the standard. White, purple-grey and black, intermediate igneous rock fragments granodioritic to dioritic, anorthositic ; hard; fresh to slightly weathered; sub-angular.

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Aggregate Acceptance Testing Atm To provide the quantities designated in 5. Aggregate Composition and Grading. Search the history of over billion web pages on the Internet.

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.

A number in parentheses indicates the year of last reapproval. Rock and Mineral Constituents ashm Aggregates. Roll and squeeze particles individually between the thumb and forefinger to attempt to break the particle into smaller sizes. Expanded clay left and expanded shale right. The values given in parentheses are provided for information purposes only. About project SlidePlayer Terms of Service.

A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Clay Lumps and Friable Particles in Aggregates (ASTM C142)

Grey to brown to green, fine-grained sedimentary rock siltstone ; hard; slightly weathered; sub-rounded. Please first verify your email before subscribing to alerts.

Do not use the fingernails to break up particles, or press particles against a hard surface or each other. It is defined by size, being finer than gravel and coarser than silt. Rounded gravel left and crushed stone right. Please first log in with a verified email before subscribing to alerts.

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Add to Alert PDF. Observe the alkali-silica reaction rim around the reactive aggregate and the crack formation. Objectives of Lecture To explain the sources of aggregates used for making concrete. If you wish to download it, please recommend it to your friends in any social system.

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

Current edition approved Aug. This standard is also available to be included in Standards Subscriptions.

White, black and pink, felsic igneous rock fragments fine-grained granitic ; hard; slightly weathered; sub-angular. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Proceed to Checkout Continue Shopping. Precision and Bias 8. Inset shows closeup of a popout. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Originally published as C – 38 T.