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对于大跨度结构，地震波在结构基础面上的传播需要经历一定的时间，因此，需要考虑多点地震输入问题。文章采用时程分析方法详细研究了多点地震输入对大跨度钢结构电视塔的影响程度。
For long-span structures, the propagation of seismic waves on the structural foundation surface takes a certain amount of time, so multi-point seismic input problems need to be considered. In this paper, the influence of multi-point seismic input on the long-span steel TV tower is studied in detail by using the time-history analysis method.