Title:
Expect Compressive Strength Test Results Less Than Specified Strength on Every Project
Author(s):
James Klinger, Colin L. Lobo, Eamonn F. Connolly, and Bruce A. Suprenant
Publication:
Concrete International
Volume:
44
Issue:
2
Appears on pages(s):
37-43
Keywords:
DOI:
10.14359/51734551
Date:
2/1/2022
Abstract:
Use engineering judgment, test reserve cylinders, and extract cores only if evaluation is warranted.
Related References:
1. ACI Committee 301, “Specifications for Concrete Construction (ACI 301-20),” American Concrete Institute, Farmington Hills, MI, 2020, 69 pp.
2. ACI Committee 214, “Guide to Evaluation of Strength Test Results of Concrete (ACI 214R-11) (Reapproved 2019),” American Concrete Institute, Farmington Hills, MI, 2011, 16 pp.
3. “CIP 35—Testing Compressive Strength of Concrete,” National Ready Mixed Concrete Association, Alexandria, VA, 2014, 2 pp.
4. 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.
5. 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.
6. Malisch, W.R., and Suprenant, B.A., “Acceptance of Concrete Test Results,” Concrete Contractor, Aug./Sept. 2015, pp. 6-8.
7. MasterSpec®, The American Institute of Architects, Washington, DC.
8. “In-Place Concrete Strength Evaluation—A Recommended Practice,” Publication 133, National Ready Mixed Concrete Association, Alexandria, VA, 2011.
9. ACI Committee 228, “Report on Methods for Estimating In-Place Concrete Strength (ACI 228.1R-19),” American Concrete Institute, Farmington Hills, MI, 2019, 48 pp.
10. “CIP 9—Low Concrete Cylinder Strength,” National Ready Mixed Concrete Association, Alexandria, VA, 2014, 2 pp.
11. Richardson, D.N., “Review of Variables that Influence Measured Concrete Compressive Strength,” Journal of Materials in Civil Engineering, V. 3, No. 2, May 1991.
12. Goeb, E.O., “Why Low Cylinder Tests in Hot Weather?” Concrete Construction, Jan. 1986, 3 pp.
13. Wilson, M.L., and Tennis, P.D., Design and Control of Concrete Mixtures, 17th edition, EB001, Portland Cement Association, Skokie, IL, 2021, 586 pp.
14. Kosmatka, S.H.; Kerkhoff, B.; and Panarese, W.C., Design and Control of Concrete Mixtures, EB001, 14th edition, Portland Cement Association, Skokie, IL, 2002, 358 pp.
15. “Concrete Q&A: Reserve Cylinders for Compressive Strength Testing,” Concrete International, V. 33, No. 11, Nov. 2011, p. 72.
16, ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14),” American Concrete Institute, Farmington Hills, MI, 2014, 519 pp.
17. ACI Committee 318, “Commentary on Building Code Requirements for Reinforced Concrete (ACI 318-63),” SP-10, American Concrete Institute, Farmington Hills, MI, 1963, 91 pp.
18. “Manual for Quality Control for Plants and Production of Structural Precast Concrete Products,” MNL-116-21, Precast/Prestressed Concrete Institute, Chicago, IL, 2021, 340 pp.
19. ASTM C42/C42M-20, “Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete,” ASTM International, West Conshohocken, PA, 2020, 7 pp.
20. “Technical Checklist: Concrete Core Testing,” American Society of Concrete Contractors, St. Louis, MO, June 2008, 4 pp.
21. ASTM C803/C803M-18, “Standard Test Method for Penetration Resistance of Hardened Concrete,” ASTM International, West Conshohocken, PA, 2018, 5 pp.
22. ASTM C805/C805M-18, “Standard Test Method for Rebound Number of Hardened Concrete,” ASTM International, West Conshohocken, PA, 2018, 4 pp.
23. ASTM C900-19, “Standard Test Method for Pullout Strength of Hardened Concrete,” ASTM International, West Conshohocken, PA, 2019, 10 pp.
24. Smith, Currie & Hancock’s Common Sense Construction Law: A Practical Guide for the Construction Professional, fourth edition, T.J. Kelleher, Jr. and G.S. Walters, eds., John Wiley & Sons, Inc., New York, 2009, 736 pp.