Technical Papers
Jan 31, 2013

In Situ Load Testing of a One-Way Reinforced Concrete Slab per the ACI 437 Standard

Publication: Journal of Performance of Constructed Facilities
Volume 28, Issue 5

Abstract

This paper describes the load test of a one-way reinforced concrete (RC) slab conducted according to the new ACI 437 load test standard and performed in a three-story apartment building constructed in 1947. The ACI 437 load test protocol and its acceptance criteria are reviewed and discussed. The experimental deflections measured during the load test are compared with the theoretical predictions provided by finite element method (FEM) analysis.

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Acknowledgments

The authors would acknowledge the support of the NSF I/U CRC—Center for the Integration of Composites into Infrastructure (CICI) at the University of Miami. The support of UM Department of Facilities and Constructions is also vividly acknowledged. The authors would like to thank graduate students Derek Schesser, Steven Verbovszky, and Diego Romero for their contribution during the test.

References

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American Concrete Institute (ACI). (1963). “Building code requirements for reinforced concrete.” ACI 318-63, Detroit.
American Concrete Institute (ACI). (2004). “Strength evaluation of existing concrete buildings.” ACI 437R-03, Farmington Hills, MI.
American Concrete Institute (ACI). (2007). “Test load magnitude, protocol and acceptance criteria.” ACI 437.1R-07, Farmington Hills, MI.
American Concrete Institute (ACI). (2011). “Building code requirements for reinforced concrete.” ACI 318-11, Farmington Hills, MI.
American Concrete Institute (ACI). (2012). “Code requirements for load testing of concrete members of existing buildings.” ACI 437, Farmington Hills, MI.
ASTM. (2005). “Standard test method for compressive strength of cylindrical concrete specimens.” C39/C39M-05, West Conshohocken, PA.
ASTM. (2013). “Standard specification for deformed and plain carbon-steel bars for concrete reinforcement.” A615/A615M-13, West Conshohocken, PA.
Birkmire, W. (1894). Skeleton construction in buildings, Wiley, New York.
Casadei, P., Parretti, R., Nanni, A., and Heinze, T. (2005). “In situ load testing of parking garage reinforced concrete slabs: Comparison between 24 h and cyclic load testing.” Pract. Period. Struct. Des. Construct., 40–48.
City of Miami Beach Building Dept. (1941). “Building code of the City of Miami Beach.” Miami Beach, FL.
Concrete Reinforcing Steel Institute (CRSI). (2001). “Evaluation of reinforcing bars in old reinforced concrete structures.”, Schaumburg, IL.
De Luca, A., Jawaheri, H., and Nanni, A. (2013). “Assessment of performance of reinforced concrete strips by in-place load testing.” ACI Struct. J., 10(5), 813–821.
Galati, N., Nanni, A., Tumilan, G. J., and Ziehl, P. (2008).“ In-situ evaluation of two concrete slab systems. I: Load determination and loading procedure.” J. Perform. Constr. Facil., 207–216.
Gold, W. J., and Nanni, A. (1998). “In-situ load testing to evaluate new repair techniques.” Proc., NIST Workshop on Standards Development for the Use of FRP for the Rehabilitation of Concrete and Masonry Structures, NISTR 6288, D. Duthinh, ed., Tucson, AZ, 3–102/112.
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Nanni, A., and Gold, W. (1998a). “Evaluating CFRP strengthening systems in-situ.” Concr. Repair Bull., 11(1), 12–14.
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Tumialan, G., Galati, N., and Nanni, A. (2012). “Load testing of reinforced concrete buildings.” Chapter VIII, Inspection, testing, and monitoring of buildings and bridges, P. Ziehl and J. Caicedo, eds., ICC Press, 170.

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Go to Journal of Performance of Constructed Facilities
Journal of Performance of Constructed Facilities
Volume 28Issue 5October 2014

History

Received: Aug 9, 2012
Published online: Jan 31, 2013
Accepted: May 16, 2013
Published in print: Oct 1, 2014
Discussion open until: Nov 2, 2014

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Authors

Affiliations

Antonio De Luca, Ph.D.
Staff Engineer, Structures at Simpson Gumpertz & Heger Inc., 550 Seventh Ave., 10th Floor, New York, NY 10018 (corresponding author).
Hany Jawaheri Zadeh, Ph.D.
Structural Engineer, Rosenwasser and Grossman, 485 Seventh Ave., Suite 1510, New York, NY 10018.
Antonio Nanni, Ph.D., F.ASCE
P.E.
Professor and Chair, Dept. of Civil, Architectural and Environmental Engineering, Univ. of Miami, 1251 Memorial Dr., McArthur Engineering Building, Room 325, Coral Gables, FL 33146-0630; and Professor, Dipartimento di Ingegneria Strutturale, Università degli Studi di Napoli Federico II.

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