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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Comments How axtm the price for the probe including installation charge? This is to ensure that the moisture fluctuations of aggregates are accounted for correctly. Aggregate moisture requirements are addressed in Section 5. Link to Active This link will always route to the current Active version of the standard. Do you use moisture probes or nationally recognized ASTM manual test methods for determining moisture? The alternative designation given in parentheses is for information only and does not represent a different standard sieve size.
Asmt xcessive water can destroy a concrete mix design. Please sign into an account with a subscription to this content, or email for help at support madcad. Probes can also be placed in the mixer. Your Alert Profile lists the documents that will be monitored. These tests are typically performed daily by the quality control technician and may occur more than once per day depending on aggregate consumption, the prevailing weather conditions, whether or not bins are exposed to the elements and project-specific requirements.
Controlling Moisture to Ensure Quality – NPCA
As the voice of the U. The subsection goes on to state that when aggregate bins are fitted aatm moisture probes or meters, aggregate surface moisture content shall be determined a minimum of once per week in order to validate probe calibration.
Content only available by subscription. It will generally measure the moisture in the test sample more reliably than the sample can be made to represent the aggregate supply. No items in cart.
So the real question is: Work Item s – proposed revisions of this standard. The alternative designation given in parentheses is for information only and does not represent a different standard sieve size. The use of moisture probes for determining aggregate moisture has been widely used as an accepted practice in precast plants across the country for more than 25 years.
However, they significantly reduce aatm frequency of manual tests.
ASTM C – Standard Test Method for Total Evaporable Moisture Content of Aggregate by Drying
For specific precautionary statements, see 5. You can download and open this file to your own computer but DRM prevents opening this file c56 another computer, including a networked server. Print 1 2 3 4 5 page sstarting from page current page.
Some aggregate may contain water that is chemically combined with the minerals in the aggregate. Register for a trial account.
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Subscription pricing is determined by: The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. 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. Lastly, radar-type probes consist of guided radar waves to facilitate measurements. 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.
To maintain a constant flow of material over the moisture probe, it can be positioned under the aggregate dosing gate. We have no amendments or corrections for this standard. Proceed to Checkout Continue Shopping.
Controlling Moisture to Ensure Quality
Such water is not evaporable and is not included in the percentage determined by this test method. Standards Subscriptions from Adtm provides a money-saving, multi-user solution for accessing standards. By measuring the reflection points, a sine wave, or data pattern, is then created to guarantee an accurate moisture reading.
Leave a Reply Cancel reply Your email address will not be published. However, with either choice, accurate accounting of moisture in aggregates is essential to keep your mix on target and within specified limits.
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Photo credit Advanced Concrete Technologies. This standard is also available to be included in Standards Subscriptions.