The Dynamic Response of Elevator Compensating Ropes in High-Rise Buildings

摘要

High-rise buildings often suffer from severe vibrations induced by strong winds. The low-frequency sway of the structure can excite elevator compensating ropes installed in tall buildings. The danger arises when the building is excited near its natural frequency. If one of the resonance frequencies of the compensating ropes coincides simultaneously with the resonance frequency of the building large displacements of the rope occur. This paper focuses on the analysis of relevant models of the building - compensating rope system to predict its dynamic response. The analysis of the results of computer simulations offers an opportunity to discuss suitable control strategies to mitigate the effects of the adverse dynamic response of the system.