ASTM C142 PDF

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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If you wish to download it, please recommend it to your friends in any social system. After all discernible clay lumps and friable sstm have been broken, separate the detritus from the remainder of the sample by wet sieving over the sieve prescribed in the following table: About project SlidePlayer Terms of Service. Based on this standard deviation, the acceptable range of two test results on samples from the same aggregate sent to different laboratories is asrm.

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A superscript epsilon e indicates an editorial change since the last revision or reapproval. Add to Alert PDF.

Only certain sources of these materials have shown reactivity. The composition of Sand varies, depending on the local rock sources and conditions, but the most common constituent of Sand is silica silicon dioxide, or SiO 2usually in the form of quartz.

It is the responsibility of the user of this standard to establish appro- priate safety and health practices xstm determine the applica- bility of regulatory limitations prior to use.

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The FM is an index of the fineness of the aggregate. George region consists primarily astn mineral grains and fragments of igneous intrusive rocks with the following typical petrographic analysis: Current edition approved Aug.

Fine Aggregate Sand

astj Less cement and water are required in mixtures having large coarse asm Bureau of Reclamation Search the history of over billion web pages on the Internet. We have no amendments or corrections for this standard. Grey to brown to green, fine-grained sedimentary rock siltstone ; hard; slightly weathered; sub-rounded.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. A number in parentheses indicates the year of last reapproval.

Please first log in with a verified email before subscribing to alerts. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. My presentations Profile Feedback Log out. 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.

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Share buttons are a little bit lower. It is defined by size, being finer than gravel and coarser than silt. If the document is revised or amended, you will be notified by email. Objectives of Lecture To explain the sources of aggregates used for making concrete. Combining values from the two systems may result in non-conformance with the standard. The specified sieves are: 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.

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Feedback Privacy Policy Feedback. Subscription pricing is determined by: Kerkhoff and Siebel 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.

Cracking of concrete from alkali-silica reactivity. Earth science Rock cycle, Igneous rocks.

When different sizes are combined, the void-content decreases. Registration Forgot your password?

Auth with social network: The test sample shall have a mass not less than indicated in the following table: Road bases and fills PCC:. To provide the quantities designated in 5. Classify any particles that can be broken axtm the fingers into fines removable by wet sieving as clay lumps or friable particles.