Research Progress of Exterior Wallboards for Prefabricated Steel Structures
With the rapid development of prefabricated steel structures in our country,a higher request has been put forward for the connection performance and economic index of exterior wallboard system.Based on a large number of literature retrieval at home and abroad,the research and application progress of exterior wallboards in the types,mechanical properties and connection structure were summarized,the advantages and disadvantages of various types of exterior wallboards and main structure connection joints were ana-lyzed,and the main problems existing in the connection joints of exterior wallboards and fabricated steel structures were summarized.It was found that the exterior wallboards materials mainly showed poor durabili-ty,high energy consumption,poor environmental benefits,low comprehensive performance problems,the connection joints between exterior wallboards and the main structure also remained some problems,such as poor standardization in design,poor industrialization and automation in production,complex joint form,and poor operability.Finally,the key bottleneck existing in the current application was pointed out,and some reasonable suggestions for the future development direction were put foward.
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