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Significance and Use
4.1 This test method provides two procedures for determining the length of a core obtained in accordance with either Test Method or Test Method . This length is used in conjunction with condition surveys, density and voids analysis, and other applications.
4.2 This procedure does not intend to include in the length measurement adhered particles not part of the concrete mixture.
4.3 Test Method also determines the length of concrete cores using a different measuring apparatus and procedure.
Note 1: Test Method uses an apparatus that establishes two parallel planes a known distance apart. The length of the core is determined by calculation using the known distance between the two parallel planes and the measured distance from the upper plane to the top of the core.
1.1 This test method is used to determine the length of a core drilled from concrete.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C125 Terminology Relating to Concrete and Concrete Aggregates
C174/C174M Test Method for Measuring Thickness of Concrete Elements Using Drilled Concrete Cores
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
C1604/C1604M Test Method for Obtaining and Testing Drilled Cores of Shotcrete
ICS Number Code 91.080.40 (Concrete structures)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM C1542 / C1542M-16a, Standard Test Method for Measuring Length of Concrete Cores, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top