This paper expounds the performance features of W-shape steel strip, and introduces the reinforcement technique adopted in the case that the lining thickness of railway tunnel is insufficient.

阐述了W型钢带的性能特点，介绍了W型钢带在铁路隧道衬砌厚度不足情况下的补强加固技术。

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The accuracy of the interpolation method for measured lining displacement is analysed with the existing standard for lining design of railway tunnel in several kinds of rock.

通过现行各类围岩铁路隧道支护结构的标准设计，对位移样条插值方法的精度进行了检验，表明完全可满足隧道施工及分析的需要。

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And this paper analyzes the logical partition of the railway tunnel lining and the influence of structure internal force due to the different joint stiffness.

对铁路隧道的合理分块以及接头刚度对结构内力的影响进行了分析。

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