ASTM C Standard Test Methods for Uncompacted Void Content of Fine Aggregate (as Influenced by Particle Shape, Surface Texture. Matest proposes a wide range of testing equipment for ASTM C standard. For more info contact us. Purchase your copy of ASTM C – 17 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.
A sample consisting of single-size particles will have a higher void content than a graded sample. Request Quote Client Login. Link to Active This link will always route to the current Active version of the standard.
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For a graded sample Test Method A or Test Method C the percent void content is determined directly, and the average value from two runs is reported. Two use graded fine aggregate standard grading or as-received gradingand the other uses several individual size fractions for void content determinations:. This void content depends on grading as well as particle shape and texture. Proceed to Checkout Continue Shopping. When measured on any aggregate of a known grading, void content provides an indication of that aggregate’s angularity, sphericity, and surface texture compared with other fine aggregates tested in the same grading.
A decrease in void content results is associated with more rounded, spherical, or smooth-surfaced fine aggregate, or a combination thereof. Aggregate testing Lab Services: For this test method, each size is tested separately. Please first verify your email before subscribing to alerts.
In general, high void content suggests that the material could be improved by providing additional fines in the fine aggregate or more cementitious material may be needed to fill voids between particles. For more information, contact: When void content is measured on an as-received fine-aggregate grading, it can be an indicator of the effect of the fine aggregate on the workability of a mixture in which it may be used.
Two use graded fine aggregate standard grading or as-received gradingand the other uses several individual size fractions for void content determinations Test Method C does not provide an indication of shape and texture directly if the grading from sample to sample changes.
For the individual size fractions Test Method Bthe mean percent void content is calculated using the results from tests of each of the three individual size fractions. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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Uncompacted void content is calculated using the bulk dry specific gravity of the fine aggregate. Therefore, use either one method or the other as a comparative measure of shape and texture, and identify which test method has been used to obtain the reported data. Two runs are made on each sample and the results are averaged.
Uncompacted void content is calculated as the difference between the volume of the cylindrical measure and the absolute volume of the fine wstm collected in the measure.
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. This standard is also available to be included in Standards Subscriptions. The void content is actually a function of the volume of each 1c252 fraction.
If the type of rock or minerals, or its porosity, in any of the size fractions varies markedly it may be necessary to determine the specific gravity of the size fractions used in the test.
A nominal c12522 calibrated cylindrical measure is filled with fine aggregate of prescribed grading by allowing the sample to flow through a funnel from a fixed height into the measure.
When measured on any aggregate of a known grading, void content provides an indication of that aggregate’s angularity, sphericity, and surface texture compared with other fine aggregates tested in the same grading.
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Two use graded fine aggregate standard grading or as-received gradingand the other uses several individual size fractions for void content determinations: The fine aggregate is struck off and its mass is determined by weighing. Your Alert Profile lists the documents that will be monitored.
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