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本文通过对比分析不同围岩弹性抗力系数的情况下单层与双层钢绞线预应力衬砌受力性能的变化,找到合理的钢绞线布置方式。
In this paper, through the comparative analysis of the elastic resistance coefficient of different surrounding rock single layer and double strand prestressed lining changes in the mechanical properties, to find a reasonable layout of the strand.