Title:
Concrete Q&A: Low Strength Results and Core Testing
Author(s):
Publication:
Concrete International
Volume:
44
Issue:
11
Appears on pages(s):
112
Keywords:
test, coring, procedure, provision
DOI:
10.14359/51737326
Date:
11/1/2022
Abstract:
Is coring the only option when lower than specified strength is determined in a section of a concrete structure? This month’s Q&A discusses when coring is needed to determine in-place concrete strength as well as coring procedure, testing cores, and evaluating test results.
Related References:
1. ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI 318-19) and Commentary (ACI 318R-19),” American Concrete Institute, Farmington Hills, MI, 2019, 623 pp.
2. ACI Committee E702, “Designing Concrete Structures: Acceptance of Concrete Compressive Strength Test Results According to ACI 318-19 (ACI E702.3-21),” American Concrete Institute, Farmington Hills, MI, 2021, 5 pp.
3. ACI Committee E702, “Designing Concrete Structures: Evaluation of Concrete Cores Test Results According to ACI 318-19 (ACI E702.8-22),” American Concrete Institute, Farmington Hills, MI, 2022, 6 pp.
4. Suprenant, B.A., “Understanding Concrete Core Testing,” NRMCA Publication 185, The National Ready Mixed Concrete Association, Alexandria, VA, 1993, 20 pp.