The determination of cable's parameters is one of the key problems for pre-stressed steel structure. This paper summarized the research on cable's parameters in pre-stressed steel structure, and put emphases on the analysis of existing problems and researching trend, then introduced one method to determine cable's parameters for vertical pre-stressed steel structure.%拉索参数的确定是预应力钢结构的关键问题之一。本文总结了预应力钢结构中拉索关键参数的研究状况，着重分析了存在问题和研究趋势，并结合竖向预应力钢结构体系简要介绍了一种新的拉索参数确定方法。
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