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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Excess moisture in fine aggregates can easily account for a gallon of water. Such water is not evaporable and is not included in the percentage determined by this test method.
This standard is not included in any packages. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. Do you use moisture probes or nationally recognized ASTM manual test methods asmt determining moisture? Link to Active This link will always route to the current Active version of the standard. We have no amendments or corrections for this standard. Discovering the detrimental effects can be easily seen in a small-scale experiment using compressive-strength cylinders and a common mix design.
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ASTM C566 – 13
Then, take the pair of cylinders and break them. ASTM C uses the sampled aggregate mass against the same sample following drying. Probes can also be placed in the mixer. Enter your account email address to request a password reset: The electronic file may not be reproduced in any way.
Standards Subsctiption may be the perfect solution.
Aggregate moisture requirements are addressed in Section 5. For additional information on moisture probes, please contact the NPCA technical services department at There were no books found for the applied search filters. You may delete a document from your Alert Profile at any time. 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.
However, with either choice, accurate accounting of moisture in ashm is essential to keep your mix on target and within specified limits. By measuring the reflection points, a sine wave, or data pattern, is then created to guarantee an accurate moisture reading. Your email address will not c56 published.
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. Print 1 2 3 4 5 page sstarting from page current page. Remember me for one month.
The right to access the electronic files of ASTM Standards f566 for purposes of viewing for individual use only. Some aggregate may contain water that is chemically combined with the minerals in the aggregate. Moisture probes can be inspected for damage and buildup when positioned in the floor of a countercurrent planetary mixer.
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Controlling Moisture to Ensure Quality
For one cylinder, increase the amount of mix water and keep all other parameters the same. If you like to setup a quick demo, let us know at support madcad. D566 the document is revised or amended, you will be notified by email. 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.
Probes do not eliminate the need to perform manual tests for verification of aggregate moisture. So the real question is: No other units of measurement are included in this standard.
Automated input allows the plant to make fine adjustments to mix proportions and leads to a much narrower set of final batched concrete tolerances.
Lastly, radar-type probes consist of guided radar waves to facilitate measurements. You can download and open this qstm to your own computer but DRM prevents opening this file on another computer, including a networked server. 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.
No items in cart. You currently cannot view this content. Content only available by subscription. Resistance-type probes measure the resistance of an electric potential between two locations. No other units of measurement are included in this standard.
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ASTM C – 97 Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying
Microwave-type probes do not rely on measuring impurities, making it a better option to use, he said. Add to Alert PDF.
These technologies allow automatic moisture evaluations of materials. There are several types of probes on the market today.