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结构设计的基本要求,是保证结构在予定的使用期内安全、适用,同时在建造及使用维护过程中又经济、合理。谋求安全适用与经济合理之间的平衡,是长期来人们一直在探索解决的课题、并把它作为
The basic requirement of structural design is to ensure that the structure is safe and applicable within a predetermined period of use. At the same time, it is economical and reasonable in the process of construction, use and maintenance. The pursuit of a balance between safe application and economic rationality is a long-term issue that people have been exploring and solving.