VIBRATION ANALYSIS OF REINFORCED CONCRETE BEAMMEMBERS INCLUDING BOND-SLIP OF REINFORCEMENT

摘要

In this paper, a technique of analyzing the vibration problem of reinforced concrete beam membersincluding bond-slip of the reinforcements is proposed. A displacement field is introduced to formulate thevibration problem of reinforced concrete beam members including bond-slip of reinforcement, consistingof 2+m independent variables corresponding to the longitudinal and vertical displacements u and w , aswell as, the bond-slip displacements S1, S2 , … , Sm for the 'm' steel layers.The paper derives a finite element formulation of the problem and concludes with numerical exampleswith selected bond moduli and damping resulting from bond-slip, to examine the effects of bond-slip onthe bending vibration of reinforced concrete beams.