Numerical Simulation of Bolted-Steel Plates Strengthened Coupling Beams
One reinforced concrete coupling beam and two strengthened reinforced concrete coupling beams by bolted steel plates are analyzed by nonlinear finite element method. Two-dimensional finite element model is employed with material nonlinearities and geometrical nonlinearities. A special ring region, which simulates the slip effect between concrete and steel plates, is developed an incorporated into the numerical analysis model. The load-displacement relationship, cracking/crushing type and steel plates internal are compared and found to be in good agreement with those in test.
Y. Zhu et al., "Numerical Simulation of Bolted-Steel Plates Strengthened Coupling Beams", Advanced Materials Research, Vols. 163-167, pp. 3677-3681, 2011