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The behaviour of the segmental tunnel lining studied by the hyperstatic reaction method

机译：超静力反应法研究分段隧道衬砌的性状

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摘要

One of the most important factors in the design of a segmental tunnel lining is the influence of the segmental joints on its overall behaviour. In this study, a reduction factor has been applied to the bending rigidity of the segmental tunnel lining. An improved numerical hyperstatic reaction method (HRM) is presented in this paper in order to study the behaviour of the segmental tunnel lining. The necessary parameters for the calculation are presented. A specific implementation has been developed using a finite element method framework. A comparison between the results obtained using the HRM and those of a numerical model has been made that allows the HRM to be validated. Extensive parametric analyses have been conducted to estimate the segmental tunnel lining behaviour for several cases, in order to cover the conditions that are generally encountered in excavation practice.
机译：分段隧道衬砌设计中最重要的因素之一是分段节理对其整体性能的影响。在这项研究中，减小因子已应用于分段隧道衬砌的抗弯刚度。为了研究分段隧道衬砌的性状，提出了一种改进的数值超静力学反应方法（HRM）。给出了计算所需的参数。已经使用有限元方法框架开发了一种特定的实现方式。比较了使用HRM和数值模型获得的结果，从而可以验证HRM。为了涵盖在开挖实践中通常遇到的情况，已经进行了广泛的参数分析以估计几种情况下的分段隧道衬砌行为。

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