Composite Jacketed Concrete under Uniaxial Compression—Verification of Simple Design Equations
Publication: Journal of Materials in Civil Engineering
Volume 9, Issue 4
Abstract
Due to their high strength-to-weight and stiffness-to-weight ratios; corrosion- and fatigue-resistance; and overall durability, fiber reinforced composites are increasingly being considered for use in jackets around deteriorating and understrength concrete columns. For this new technology to achieve widespread acceptance, there is a need to develop a solid engineering base for the design and prediction of response of such retrofit and repair schemes. The purpose of this investigation was to develop experimental data, based on a variety of reinforcing fiber types, orientations and jacket thickness, and to develop and/or verify simple design equations to estimate the response of composite confined concrete. Experimental results indicate that composite jackets significantly enhance the strength and pseudoductility of concrete. The proposed expressions for ultimate strength and strain are seen to compare well with experimental data, and a phenomenological model for confinement based on the composite behavior of the confined system is presented. The results of the use of a number of predictive equations are compared with the experimental data.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Ahmad, S. H., and Shah, S. P.(1982). “Stress-strain curves of concrete confined by spiral reinforcements.”J. Am. Concrete Inst., 79(6), 484–490.
2.
Armstrong, W. E., and Perry, S. H. (1985). “Spirally bound concrete columns.”Proc., Royal Soc. of London, London, England, 400A, 127–144.
3.
Avram, C., Facaoaru, I., Filimon, I., Mirusu, O., and Tertia, I. (1981). Concrete strength and strains. Elsevier Scientific Publishing Co., New York, N.Y.
4.
Balmer, G. G. (1944). “Shearing strength of concrete under high triaxial stress—computation of Mohr's envelope as a curve.”Rep. SP-23, Structural Research Laboratory, U.S. Bureau of Reclamation.
5.
Chai, Y. H., Priestley, M. J. N., and Seible, F.(1991). “Seismic retrofit of circular bridge columns for enhanced flexural performance.”ACI Struct. J., 88(5), 572–584.
6.
Chan, W. W. L.(1955). “The ultimate strength and deformation of plastic hinges in reinforced concrete frameworks.”Mag. Concrete Res., 7(21), 121–132.
7.
Considere, A. (1903). “Resistance á Compression Du Breton Armé et Du Betton Fretté.”Genie Civil.
8.
Cusson, D., and Paultre, P.(1995). “Stress-strain model for confined high strength concrete.”J. Struct. Engrg., ASCE, 121(3), 468–477.
9.
Fardis, M. N., and Khalili, H.(1981). “Concrete encased in fibreglass reinforced-plastic.”J. Am. Concrete Inst., 78(6), 440–446.
10.
Fardis, M. N., and Khalili, H.(1982). “FRP-encased concrete as a structural material.”Mag. Concrete Res., 34(121), 191–202.
11.
Frangou, M., Pilakoutas, K., and Dritsos, S.(1995). “Structural repair/strengthening of RC columns.”Constr. and Build. Mat., 9(5), 259–266.
12.
Furlong, R. W.(1967). “Strength of steel encased concrete beam columns.”J. Struct. Div., ASCE, 93(5), 113–124.
13.
Harmon, T. G., and Slattery, K. T. (1992). “Advanced composite confinement of concrete.”Proc., 1st Int. Conf. on Advanced Compos. Mat. in Bridge and Struct. Sherbrooke, Canada, 299–306.
14.
Hasegawa, A., Matsuda, T., and Higashida, N.(1992). “Carbon fiber-reinforced earthquake-resistance retrofitting for RC piers.”Doboku Gijutsu, 97(3), 43–50.
15.
Heard, H. C.(1963). “Effect of large changes in strain rate in the experimental deformation of yule marble.”J. Geol., 71, 162–195.
16.
Hoppel, C. R., Bogetti, T. A., Gillespie, J. W. Jr., Howie, I., and Karbhari, V. M. (1995). “Analysis of a concrete cylinder with a composite hoop wrap.”Proc., 1994 ASCE Mat. Engrg. Conf., ASCE, New York, N.Y., 191–198.
17.
Howie, I., and Karbhari, V. M.(1995). “Effect of tow sheet composite wrap architecture on strengthening of concrete due to confinement. I: Experimental studies.”J. Reinforced Plastics and Compos., 14(9), 1008–1030.
18.
Iyengar, S. R., Desayi, P., and Reddy, K. N.(1970). “Stress-strain characteristics of concrete confined in steel binders.”Mag. Concrete Res., 22(72), 173–184.
19.
Karbhari, V. M., and Eckel, D. A. II.(1994). “Effect of cold regions climate on composite jacketed concrete columns.”J. Cold Regions Engrg., ASCE, 8(3), 73–86.
20.
Karbhari, V. M., Eckel, D. A. II, and Tunis, G. C. III. (1993). “Strengthening of concrete column stubs through resin infused composite wraps.”J. Thermoplastic Compos. Mat., 6(Apr.), 92–107.
21.
Katsumata, H., and Kimura, K. (1990). “Applications of retrofit method with carbon fiber for existing reinforced concrete structures.”Proc., 22nd UJNR Panel Meeting, U.S.-Japan Workshop, Gaithersburg, Md., 1–28.
22.
Katsumata, H., Kobarake, Y., and Takeda, T. (1988). “A study on strengthening with carbon fiber for earthquake-resistance capacity of existing reinforced concrete columns.”Proc., 9th World Conf. on Earthquake Engrg., Tokyo, Japan, Vol. VII, 417–522.
23.
Knowles, R. B., and Park, R.(1969). “Strength of concrete filled tubular columns.”J. Struct. Engrg., ASCE, 95(12), 2565–2587.
24.
Kotsovos, M. D., and Perry, S. H.(1986). “Behavior of concrete subjected to passive confinement.”Mat. Struct. RILEM., 19(12), 259–264.
25.
Mander, J. B., Priestley, M. J. N., and Park, R.(1988a). “Theoretical stress-strain model for confined concrete.”J. Struct. Engrg., ASCE, 114(8), 1804–1826.
26.
Mander, J. B., Priestley, M. J. N., and Park, R.(1988b). “Observed stress-strain behavior of confined concrete.”J. Struct. Engrg., 114(8), 1987–1949.
27.
Morales, S. M., Nilson, A. H., and Slate, F. O. (1982). “Spiral-reinforced high strength concrete columns.”Rep. No. 82-10, Dept. of Struct. Engrg., Cornell Univ., Ithaca, N.Y.
28.
Nanni, A., and Bradford, N. M.(1995). “FRP jacketed concrete under uniaxial compression.”Constr. and Build. Mat., 9(2), 115–124.
29.
Nanni, A., and Norris, M. S.(1995). “FRP jacketed concrete under flexure and combined flexure-compression.”Constr. and Build. Mat., 9(5), 273–281.
30.
Newman, K., and Newman, J. B. (1969). “Failure theories and design criteria for plain concrete.”Proc., Int. Conf. on Struct. and Solid Mech., Wiley Interscience, New York, N.Y.
31.
Ozcebe, G., and Saatcioglu, M. (1987). “Confinement of concrete columns for seismic loading.”ACI Struct. J., (July/Aug.), 308–315.
32.
Pae, K. D., and Bhateja, S. K. (1975). “The effect of hydrostatic pressure on the transverse strength of glass and carbon-fiber-epoxy composites.”J. Macromolecular Sci., Part C: Rev. in Macromolecular Chem., C13, 1–75.
33.
Picher, F., Rochette, P., and Labossiere, P. (1996). “Confinement of cylinders with CFRP.”Proc., 1st Int. Conf. on Compos. in Infrastructure, Tucson, Ariz., 829–841.
34.
Popovics, S.(1973). “A numerical approach to the complete stress-strain curves for concrete.”Cement and Concrete Res., 3(5), 583–599.
35.
Priestley, M. J. N., Seible, F., and Fyfe, E. (1992). “Column seismic retrofit using fiberglass/epoxy jackets.”Proc., 1st Int. Conf. on Advanced Compos. Mat. in Bridges and Struct., Sherbrooke, Canada, 287–298.
36.
Richart, F. E., Brandtzaeg, A., and Brown, R. L. (1928). “A study of failure of concrete under combined compressive stresses.”Engrg. Experiment Station Bull. No. 185, Univ. of Illinois, Urbana, Ill.
37.
Richart, F. E., Brandtzaeg, A., and Brown, R. L. (1929). “The failure of plain and spiral reinforced concrete in compression.”Engrg. Experiment Station Bull. No. 190, Univ. of Illinois, Urbana, Ill.
38.
Saadatmanesh, H., Ehsani, M. R., and Jin, L. (1996). “Behavior of concrete columns retrofitted with fiber composite straps under cyclic loading.”Proc., 1st Int. Conf. on Compos. in Infrastructure, Ariz., 842–856.
39.
Seible, F., and Karbhari, V. (1996). “Advanced composites for civil en- gineering applications in the United States.”Proc., 1st Int. Conf. on Compos. in Infrastructure, Ariz., 21–37.
40.
Sigley, R. H., Wronski, A. S., and Parry, T. V.(1991). “Tensile failure of pultruded glass-polyester composites under superimposed hydrostatic pressure.”Compos. Sci. and Technol., 41, 395–409.
41.
Talbot, A. N. (1906). “Tests of concrete and reinforced concrete columns, series of 1906.”Engrg. Experiment Station Bull. No. 0, Univ. of Illinois, Urbana, Ill.
42.
Watson, R. J. (1994). “Column retrofit of short and medium span bridges and structures using high strength fiber composites.”Development in short and medium span bridge engineering '94, 983–994.
Information & Authors
Information
Published In
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Nov 1, 1997
Published in print: Nov 1997
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.