INVESTIGATION OF BOND SLIP EFFECT ON THE P-M INTERACTION SURFACE OF RC COLUMNS UNDER BIAXIAL BENDING

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HASHEMI S.SH.; VAGHE M.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2015 | Volume:22 | Issue:2 (TRANSACTIONS A: CIVIL ENGINEERING) Page(s): 388-399

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Title

INVESTIGATION OF BOND SLIP EFFECT ON THE P-M INTERACTION SURFACE OF RC COLUMNS UNDER BIAXIAL BENDING

Author(s)

HASHEMI S.SH. | VAGHE M. | Issue Writer Certificate

Keywords

BOND-SLIP EFFECT

P-M INTERACTION SURFACE

BIAXIAL BENDING

REINFORCED CONCRETE COLUMNS

SEISMIC ANALYSIS

COLUMN CAPACITY

Abstract

The nonlinear behavior of REINFORCED CONCRETE COLUMNS subject to BIAXIAL BENDING and consideration of bond-slip at the steel-concrete interface are investigated. Separate degrees of freedom are used for the steel and concrete parts to allow for the difference in displacement between the reinforcing bars and the surrounding concrete. The effect of bond-slip is investigated on the numerical bearing capacity of a reinforced concrete column subject to axial and BIAXIAL BENDING forces. The axial force-bending moment (PM) interaction surface of the reinforced concrete column under two conditions (with and without bar slip) is calculated, and compared also with ACI criteria. The results show that although ACI criteria is based on perfect bond assumption, the results are conservative anyway, due to the fact that the beneficial effect of stirrup confinement on concrete compressive strength is neglected, and the use of reduction factor j does not make any modification necessary for considering the BOND-SLIP EFFECT on the ultimate capacity of the RC section.

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APA: Copy

HASHEMI, S.SH., & VAGHE, M.. (2015). INVESTIGATION OF BOND SLIP EFFECT ON THE P-M INTERACTION SURFACE OF RC COLUMNS UNDER BIAXIAL BENDING. SCIENTIA IRANICA, 22(2 (TRANSACTIONS A: CIVIL ENGINEERING)), 388-399. SID. https://sid.ir/paper/290353/en

Vancouver: Copy

HASHEMI S.SH., VAGHE M.. INVESTIGATION OF BOND SLIP EFFECT ON THE P-M INTERACTION SURFACE OF RC COLUMNS UNDER BIAXIAL BENDING. SCIENTIA IRANICA[Internet]. 2015;22(2 (TRANSACTIONS A: CIVIL ENGINEERING)):388-399. Available from: https://sid.ir/paper/290353/en

IEEE: Copy

S.SH. HASHEMI, and M. VAGHE, “INVESTIGATION OF BOND SLIP EFFECT ON THE P-M INTERACTION SURFACE OF RC COLUMNS UNDER BIAXIAL BENDING,” SCIENTIA IRANICA, vol. 22, no. 2 (TRANSACTIONS A: CIVIL ENGINEERING), pp. 388–399, 2015, [Online]. Available: https://sid.ir/paper/290353/en

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