PSI - Issue 48

G. Gusev et al. / Procedia Structural Integrity 48 (2023) 176–182 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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resulting waveform is shown in Figure 2a. At the second stage of the numerical experiment, the dynamic elastic response of the reinforced concrete structure to the diagnostic signal in the form of a pulse localized impact, which has the form shown in Fig. 2a, was investigated. The response to the diagnostic impulse was simulated both for a structure without defects and for a structure with a defect in the form of a crack in the middle of the floor slab of the 2nd floor. At the same time, the depth of the crack was set differently. The shape and location of the crack were determined as a result of solving the problem about the failure of a part of the load-bearing structure as a result of the application of a static load.

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Fig. 1. Fig. 1 (a) Model reinforced concrete structure and (b) Schematic representation of the actuator on the body of the column: 1 - attached mass, 2 - piezoceramic element, 3 - adapter, 4 - reinforced concrete column. a b

Fig. 2. (a) Actuator waveform derived from the simulation and (b) model of the reinforced concrete structure to solve the failure of a part of the structure.