The present situation on application of passive control technology in long-span spatial structures

First, the state-of-the-art researches of vibration control technologies on long-span spatial structures and the overview of SMA applications in structural vibration control are summarized.

Because long-span spatial structures often rely on the temporary jig frames to complete, it is important to design and research jig frame.

Intelligent form selection system for large span structures;

0 as the development platform,a scheme evaluation and Decision-making system of intelligent scheme design for large span structures is developed.

The development of long span spatial structures is characterized by the continual innovation of structural forms and the prompt support of theoretical studies.

The development of long-span spatial structures is characterized by the continual innovation of structural forms and the prompt support of theoretical studies.

Wind velocity time-history numerical simulation theories in long-span spatial structures;

The anti-seismic design of Laoshan Cycling Gymnasium for Beijing 2008 Olympic Games is taken as a case study to prove that the number of vibration modes needed to ensure the accuracy of mode superposition response spectrum analysis for long-span spatial structures can be determined based o.

This thesis presents a study of seismic isolation of long-span spatial structures using SMA-rubber composite bearing.

To verify if it is appropriate for the long-span space structure when using the traditional heating-up model and standard heating-up curve,and the different conclutions to the behavior of the structure and the fire-resistant highpoint can be got from the this model and the air heating-up model in large space by theoretical analysis.

The results show that the method can embody the real responds of long-span space structure.

Then, it is focused on the introduction of the analysis methods, existing difficulties, engineering application of dynamic stability theory in large-span space structures under earthquake loading.

This thesis studies the seismic control on large-span space structures, primarily on double-layer cylindrical latticed shells with viscous dampers and their optimal locations, and solves the applied problem of viscous dampers in large-span space structures according to the seismic control design of a railway station hall.