Random Vibration And Vibration Control Of Large-span Structure Vibration Caused By Walking Load

With the sustainable development of social economy and the extensive use of new building materials, as well as the improvement of structure form and aesthetic requirements. Modern architecture is becoming more and more gentle, big span, low damping. The pedestrian floor vibration problem is becoming more and more widespread attention. Walking comfort is becoming more and more attention. In this paper, we set up appropriate walking load model based on the existing research. With a large span competition and training venue role under a lot of people in the actual engineering background to load analysis of the vibration response are calculated. Using TMD system vibration damping control of the large-span structure. The main results of this paper are included below.Firstly, we discuss the walking vibration problem from the development of large-span structure.Secondly, we fully studied walking vibration. And Simplified mathematical model was established.Thirdly, Vibration response calculation of large-span structure under the walking load. Based on IABSE suggested a single walking load model simplified simulation. Considering the different load condition defined by the dynamic characteristics. Vibration response are calculated in time domain. The results show that under the walking loads Large-span structures acceleration response beyond the body comfort limits. We should deal with the vibration control.Lastly, To satisfy the standard of people to vibration control of large-span structure, This paper taking the reasonable arrangement of TMD which expounds some common vibration reduction measures is used in the actual engineering. Based on comparison test, It Does the expected good results.