Seismic Research On Metal Dampers In Assembled Frame Structure Systems

In the 21 st century,the degree of urbanization in our country is getting higher and higher.At the same time,however,China is still a developing country.The government needs to provide some guaranteed housing to residents in need.The current popular cast-in-place structure has exposed a great deal of environmental pollution and waste of resources.As a relatively low cost,assembly-type building has a relatively small amount of waste of resources and environmental pollution caused by the construction of the building site of the component production site,and has considerable environmental value and application prospects.Once an earthquake occurs,it seriously affects human life and property safety.Therefore,it is indispensable to carry out relevant seismic design of fabricated buildings.The damping effect is obvious,and the safety of the structure under earthquake action is protected.The authors analyzed and studied the anti-seismic effect of a metal damper in an assembled frame structure.The author did the following work:(1)Firstly,this paper introduces the development of prefabricated prefabricated concrete buildings and the research status of their seismic performance.Based on these conditions,the content of this paper is discussed;(2)Discusses the analysis methods and design methods of some metal energy dissipation structures,and summing up a damper damping design method;(3)Using ETABS finite element analysis software,the seismic performance of prefabricated frame structures with shear plate dampers and shear plate dampers installed was analyzed,and a prefabricated frame structure with shear plate dampers was implemented.Elastic time history analysis under earthquakes and elastoplastic time history analysis under rare earthquakes.The preliminary research in this paper shows that the shear plate damper has better energy dissipation effect and is worthy of further research and application.The following conclusions have been obtained:(1)Assembled buildings equipped with metal dampers have more obvious damping effect.Compared with uncontrolled structures after dampers are installed in the structure,the response values of maximum inter-layer displacement angle generated under earthquake are Significantly lower.The metal damper dissipates a large amount of energy for the structure and can effectively reduce the damage degree of the structure.(2)Shear plate damper itself has the advantages of simple structure,common materials,high cost performance,and good market prospects for fabricated buildings.In the future,the application prospect of this damper will surely have considerable potential.