GeoTesting Express is a provider of Aggregate Testing Services – ASTM C, Standard Test Method for Total Evaporable Moisture Content of Aggregate by. ASTM C Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying. This standard is issued under the fixed designation C ; the number 1 This test method is under the jurisdiction of ASTM Committee C-9 on Concrete.
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The subsection goes on to state that when aggregate bins are fitted with moisture probes or meters, aggregate surface moisture content shall be determined a minimum of once per week in order to validate probe calibration. Already Subscribed to this astn.
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ASTM C – 13 – Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying
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However, with either choice, accurate accounting of moisture in aggregates is essential to keep your mix on target and within specified limits. The user of this test method should determine by trial if rapid drying methods provide sufficient accuracy for the intended use when drying large size particles. Leave a Reply Cancel reply Your email address will not be published. The electronic file may not be reproduced in any way.
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However, this measurement method is not always accurate since it depends on the impurities, or minerals, present in the water. Need more than one copy? Such water is not evaporable and is not included in the asgm determined by this test method. Discovering the detrimental qstm can be easily seen in a small-scale experiment using compressive-strength cylinders and a common mix design.
We have no amendments or corrections for this standard. Please sign into an account with a subscription to this content, or email for help at support madcad. One of the biggest advantages over manual methods is they obtain values of aggregate moisture as they are batched in real time or with very minimal delay.
Once the moisture of the aggregates has been determined, these values are typically given to the batcher for entry into the batching computer or to make the appropriate manual proportioning changes. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
No other units of measurement are included in this standard. The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Resistance-type probes measure the resistance of an electric potential between two locations.
Lastly, radar-type probes consist of guided radar waves to facilitate measurements. Thank you for your comment Sufian.
Enter your personal account email address to request a password reset: It will generally measure the moisture in the test sample more reliably than the sample can be made to represent the aggregate supply.
Then, take the pair of cylinders and break them. This is to ensure that the moisture fluctuations of aggregates are accounted for correctly. ASTM C uses the sampled aggregate mass against the same sample following drying. In cases where the aggregate itself is altered by heat, or where more refined measurement is required, the test should be conducted using a ventilated, controlled temperature oven.
There are several types of probes on the market today. If the document is revised or amended, you will be notified by email.
Note 1 — Sieve size is identified by its standard designation in Specification E Enter your account email address to request a password reset: If you like to setup a quick demo, let us know at support madcad.
Probes do not eliminate the need to perform manual tests for verification of aggregate moisture. Such water is not evaporable and is not included aetm the percentage determined by this test method.