This standard is issued under the fixed designation C ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee C09 on. Home; ASTM C standard by ASTM International, 06/15/ View all Printed Edition + PDF;; Immediate download; $; Add to Cart. Designation: C/CM − Standard Test Method for. Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact.
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ASTM C Datasheet -- ASTM International -- Standard, download your copy of ASTM C - 16 as a PDF download or hard copy. Coarse Aggregate > 3/4 in. – Resistance to Degradation of Large-Size Coarse. Aggregate by Abrasion and Impact in the Los Angeles. Machine. – ASTM C download your copy of ASTM C - 16 as a PDF download or hard copy directly ASTM C - 16 - Standard Test Method for Resistance to Degradation of.
Elimination of washing after test will seldom reduce the measured loss by more than about 0. NOTE 3Valuable information concerning the uniformity of the sample under test may be obtained by determining the loss after revolutions.
This loss should be determined by dry sieving the material on the 1. The ratio of the loss after revolutions to the loss after revolutions should not greatly exceed 0.
When this determination is made, take care to avoid losing any part of the sample; return the entire sample, including the dust of fracture, to the testing machine for the final revolutions required to complete the test.
NOTE 2Steel ball bearings Steel spheres The charge may consist of a mixture of these sizes conforming to the total mass tolerance of 6. Sampling 7.
NOTE 4The percent loss determined by this method has no known consistent relationship to the percent loss for the same material when tested by Test Method C Test Sample Preparation 8. Record the mass of the sample prior to test to the nearest 1 g.
Report Txt or read online. The Los Angeles abrasion machine is used to measure the degradation of mineral aggregate of standard gradings resulting from a combination of actions including abrasion or attrition, impact and grinding in a rotating steel drum containing a specified number of steel spheres.
In this test i. Abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. Referenced Documents download separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Pdf , Text File. Unfortunately, this book can' t be printed from the OpenBook.
It can be intentionally imposed in a controlled process using an abrasive. Depth of wear pavements. The Los Angeles L.The operator sets a pre-programmed number of passes for a repeatable and controlled result.
Please help improve this section by adding citations to reliable sources. Current edition approved March 10, The ratio of the loss after revolutions to the loss after revolutions should not greatly exceed 0.
The artist used different sizes and shapes of abrasives, or turned them in various ways as they rubbed, to create effects on the softer stone's surface. NOTE 4The percent loss determined by this method has no known consistent relationship to the percent loss for the same material when tested by Test Method C Last previous edition approved in as C — Record the mass of the sample prior to test to the nearest 1 g. However, in the case of referee testing, the washing procedure shall be performed.
Astm c pdf.
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