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Control Efficiency Analysis of Rotational Passive Tuned Mass Dampers on Wind-excited Responses of Towery Structures

Author: WeiShengPing
Tutor: ZouZuJun
School: Tongji University
Course: Structural Engineering
Keywords: Rotation PTMD Towering structure Vibration Control Dynamic Simulation
CLC: TU312.1
Type: Master's thesis
Year: 2008
Downloads: 12
Quote: 0
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The height of the towering structure , supple structure , the role is very sensitive to wind loads , which may affect the safety and comfort of the structure . Appropriate location in the structure of the installation control system is to suppress the structural vibration , efficient and economic means to enhance the safety of the structure and the use of performance . In this paper, translational tuned mass damper and turn the tuned mass damper turn the tuned mass damper on High Construction Wind Vibration Response control method based on the seismic response control of high-rise buildings . The flat under wind loads automatically PTMD based on translational PTMD model structure and rotation PTMD model , and rotation PTMD system the calculated theoretical modeling and numerical analysis . Addition, no control , translational control PTMD and rotation PTMD towering structure dynamic simulation using MATLAB SIMULINK toolbox , draw the dynamic response of the structure of the original structure and controlled , and the analysis of the two passive tuned mass damper PTMD changes in the parameters of the towering structure of wind-induced vibration response . This paper includes the following aspects : 1 turn-based PTMD model, using the d'Alembert principle and the principle of virtual work against flat PTMD and rotation PTMD model under shear , bending shear and bending structural wind loads The vibration equation theoretical derivation . 2 push to export two PTMD controlled curved structure vibration equations written in state-space form , using MATLAB language programming ; using SIMULINK toolbox to create a dynamic simulation system . 3 describes the benchmark control problem in using the 76 - story concrete tower wind load . And the 76 - layer concrete tower , for example , the analysis of the translational PTMD and rotation PTMD with the original structure of the mass ratio , damping ratio change of the wind vibration response , given Benchmark evaluation criteria . The analysis results showed that the rotation PTMD effective control of the high-level structure of wind-induced vibration response . In this paper, systematic theoretical analysis and numerical calculation the rotation PTMD proved the feasibility and effectiveness of the towering structure of wind-induced vibration response control provides a new idea for the wind-induced vibration response of the towering structure control , but also for seismic response control of the towering structure laid the foundation .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural loads and structural capacity > Structural load analysis
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