NUMERICAL INVESTIGATION ON THE BEHAVIOR OF FRP-RETROFITTED RC EXTERIOR BEAM-COLUMN JOINTS UNDER CYCLIC LOADS

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DALALBASHI ESFAHANI A.; MOSTOFINEJAD D.; MAHINI S.; RONAGH H.R.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2011 | Volume:35 | Issue:C1 Page(s): 35-50

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Title

NUMERICAL INVESTIGATION ON THE BEHAVIOR OF FRP-RETROFITTED RC EXTERIOR BEAM-COLUMN JOINTS UNDER CYCLIC LOADS

Author(s)

DALALBASHI ESFAHANI A. | MOSTOFINEJAD D. | MAHINI S. | RONAGH H.R. | Issue Writer Certificate

Keywords

BEAM- COLUMN JOINT

CYCLIC LOAD

FINITE ELEMENT METHOD

FRP SHEETS

HYSTERETIC CURVE

REINFORCED CONCRETE

STRENGTHENING

Abstract

This paper reports on the capability of nonlinear quasi-static finite element modeling in simulating the hysteretic behavior of FRP-retrofitted REINFORCED CONCRETE (RC) exterior beam-column joints under CYCLIC LOADs. For the purposes of our investigation, three concrete beam-to- column joint specimens (un-strengthened and FRP-strengthened) were selected. The ANSYS finite element software was used for modeling RC exterior joints. The specimens were loaded using a step-by- step load increment procedure to simulate the CYCLIC LOADing regime employed in testing.Additionally, an automatically reforming stiffness matrix strategy was used to simulate the actual seismic performance of the RC members after cracking, steel yielding, and concrete crushing during the push and pull loading cycles.The results show that the hysteretic simulation is satisfactory for both un-strengthened and FRP-strengthened specimens. Furthermore, when FRP STRENGTHENING is employed, strengthened beam-column joints exhibit a better structural performance than the un-strengthened specimens.

Cites

CYCLIC BEHAVIOR OF COLD-FORMED STEEL FRAMES WITH STRAP BRACING

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APA: Copy

DALALBASHI ESFAHANI, A., MOSTOFINEJAD, D., MAHINI, S., & RONAGH, H.R.. (2011). NUMERICAL INVESTIGATION ON THE BEHAVIOR OF FRP-RETROFITTED RC EXTERIOR BEAM-COLUMN JOINTS UNDER CYCLIC LOADS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 35(C1), 35-50. SID. https://sid.ir/paper/565623/en

Vancouver: Copy

DALALBASHI ESFAHANI A., MOSTOFINEJAD D., MAHINI S., RONAGH H.R.. NUMERICAL INVESTIGATION ON THE BEHAVIOR OF FRP-RETROFITTED RC EXTERIOR BEAM-COLUMN JOINTS UNDER CYCLIC LOADS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2011;35(C1):35-50. Available from: https://sid.ir/paper/565623/en

IEEE: Copy

A. DALALBASHI ESFAHANI, D. MOSTOFINEJAD, S. MAHINI, and H.R. RONAGH, “NUMERICAL INVESTIGATION ON THE BEHAVIOR OF FRP-RETROFITTED RC EXTERIOR BEAM-COLUMN JOINTS UNDER CYCLIC LOADS,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 35, no. C1, pp. 35–50, 2011, [Online]. Available: https://sid.ir/paper/565623/en

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