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Seismic strengthening scheme of RC beam-column joints using CFRP sheets I: experimental study

Pu Wang

Abstract

In earthquakes the failure of beam-column joints will result in collapse of RC frame structures.For the reason above,an effective seismic strengthening scheme,which is based on beam-column joints,is put forward to upgrade the seismic behaviors of the deficient RC frames.Based on the quasi-static test of three full-scale interior RC beam-column joints and two 1∶2.5 models of the RC frame which has two spans and two levels,the effectiveness of the scheme was examined in aspect of hysteretic behavior,shear deformation of joint cores,energy dissipation capacity,strength and stiffness degradation.

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Available abstract

Key concepts: Structural engineering, Dissipation, Beam (structure), Stiffness, Joint (building), Column (typography), Frame (networking), Shear (geology)