Research progress of light steel keel composite wallboard
Prefabricated steel structure buildings have the advantages of good seismic performance,light weight and fast con-struction speed.However,due to the lack of supporting exterior wall panels,the development of prefabricated steel structures is re-stricted.In recent years,light steel keel composite wall panels with the advantages of light structure,good thermal insulation perfor-mance and excellent seismic performance have been gradually applied to prefabricated steel structure buildings.This paper classi-fies the existing light steel keel wall panels,summarizes the characteristics of various wall panels,and introduces the research status of light steel keel wall panels at home and abroad from the aspects of bending resistance,shear resistance,seismic resistance and thermal performance of wall panels.On this basis,the existing problems of light steel keel composite wallboard are analyzed,and a new type of light steel keel composite wallboard with good thermal and fire resistance,light weight,safe and reliable connection,easy separation of pipelines and industrial production is proposed.
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