Transmission of Interior Concrete Column Loads through Floors
Publication: Journal of Structural Engineering
Volume 124, Issue 6
Abstract
Clause 10.15.3 of the 1995 ACI code (ACI 318-95) defines the effective strength of a high-strength concrete interior column with an intervening normal strength concrete slab. This provision is based on laboratory tests in which no load was applied to the slab. Such tests may overestimate the strength of the column because they do not properly model the confinement conditions of the column-slab joint. This paper reports experimental results of tests with properly modeled confinement conditions. The test results show that the intensity of slab load, the aspect ratio of the joint, and the rectangularity of the column affect the strength of an interior column-slab joint. A new design equation replacing the provision in Clause 10.15.3 is proposed.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Bianchini, A. C., Woods, R. E., and Kesler, C. E.(1960). “Effect of floor concrete strength on column strength.”ACI J., 31(11), 1149–1169.
2.
“Building code requirements for structural concrete and commentary.” (1995). ACI 318-95, American Concrete Institute (ACI), Detroit, Mich., 369 pp.
3.
“Design of concrete structures.” (1994). CSA A23.3-94, Canadian Standards Association, Rexdale, Ont., Canada.
4.
Gamble, W. L., and Klinar, J. D.(1991). “Tests of high-strength concrete columns with intervening floor slabs.”J. Struct. Engrg., ASCE, 117(5), 1462–1476.
5.
Ospina, C. E., and Alexander, S. D. B. (1997). “Transmission of high-strength concrete column loads through concrete floors.”Struct. Engrg. Rep. No. 214, Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Canada.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 124 • Issue 6 • June 1998
Pages: 602 - 610
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Jun 1, 1998
Published in print: Jun 1998
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.