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PDF Price. Not a Member? The functionality of the rebound hammer shall have been verified in accordance with 6. Note 1: See ACI Note 2: The use of molded test specimens to develop a correlation may not provide a reliable relationship because the surface texture and depth of carbonation of molded specimens are not usually representative of the in-place concrete. Note 3: The use of correction factors to account for instrument orientation may reduce the reliability of strength estimates if the correlation is developed for a different orientation than used for testing.
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Safy Mosafaa. A short summary of this paper. Designation: C — 02 Standard Test Method for Rebound Number of Hardened Concrete1 This standard is issued under the fixed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense. The relationship shall be established for a given standard. The relationship shall be 1. It is the interest. To estimate strength during construction, establish the responsibility of the user of this standard to establish appro- relationship by performing rebound number tests on molded priate safety and health practices and determine the applica- specimens and measuring the strength of the same or compan- bility of regulatory limitations prior to use.
To estimate strength in an existing structure, establish the relationship by correlating rebound 2. Referenced Documents numbers measured on the structure with the strengths of cores 2.
See ACI These factors need to be considered in preparing the strength 3. Terminology relationship and interpreting test results. Therefore, tests to Terminology C If more than one hammer is to be used, perform tests on 4.
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