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Description of ASTM-C944 2012ASTM C944 / C944M - 12Standard Test Method for Abrasion Resistance of Concrete or Mortar Surfaces by the Rotating-Cutter MethodActive Standard ASTM C944 / C944M | Developed by Subcommittee: C09.62 Book of Standards Volume: 04.02 ASTM C944 / C944MAbstract This test method covers the procedure for determining the abrasion resistance of either concrete or mortar surfaces using the rotating-cutter method. The method involves an abrasion device, a rotating cutter, a balance and a leveling plate. The surface description, size, and finish type of the specimen, as well as the concrete compaction, age, and strength; applied surface treatment; abrasion time; load used; depth of wear; mass loss; and abrasion time are reported. This test method has been successfully used in the quality control of highway and bridge concrete subject to traffic. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Significance and Use 4.1 This test method gives an indication of the relative wear resistance of mortar and concrete based on testing of cored or fabricated specimens. This test method has been successfully used in the quality control of highway and bridge concrete subject to traffic. Primarily intended for use on the top ends of 152-mm [6-in.] diameter concrete cores, mortar specimens, or other samples of concrete of insufficient test area to permit the conduct of tests by Test Method C418 or C779/C779M , this test method is also applicable on concrete surfaces in place by measuring the abrasion loss as described in Section 10 , Procedure B, of Test Method C779/C779M . 1. Scope 1.1 This test method covers a procedure for determining the resistance of either concrete or mortar to abrasion. This test method is similar to Procedure B of Test Method C779/C779M . 1.2 The values stated in SI units or inchpound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
ASTM Standards C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete C418 Test Method for Abrasion Resistance of Concrete by Sandblasting C779/C779M Test Method for Abrasion Resistance of Horizontal Concrete Surfaces Keywords abrasion; concrete; impact; mortar; wear; ICS Code ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar); 91.100.30 (Concrete and concrete products) DOI: 10.1520/C0944_C0944M-12 ASTM International is a member of CrossRef. ASTM C944 / C944MThe following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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