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Modeling of the thrust and torque acting on shield machines during tunneling

机译：隧道施工中作用于盾构机的推力和扭矩建模

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摘要

The paper analyzes the total load in the shield tunneling process. The cutterhead load is the most complicated component which provides a real-time response to geological conditions and operating states. This study calculates the normal and tangential loads on cutterhead by decoupling the cutterhead-soil system on excavation face. Then a comprehensive consideration is made of the influences of the overburden, the soil cutting, the chamber support, and the friction between the shield and the soil on loads. This study establishes a predicting model for the total load that fully reflects the influences of geological, operating, and structural parameters. The model is applied into two cases. Its effectiveness is verified by comparing the load calculated by the model, measured during tunneling and predicted by the Krause empirical model. The paper provides a reference for load designs and parameter controls during construction.
机译：本文分析了盾构掘进过程中的总荷载。刀盘负载是最复杂的组件，可提供对地质条件和运行状态的实时响应。本研究通过将开挖面上的刀盘-土壤系统解耦来计算刀盘的法向和切向载荷。然后综合考虑了覆盖层，切土，腔室支撑以及盾构与土壤之间的摩擦对载荷的影响。这项研究为总负荷建立了一个预测模型，该模型完全反映了地质，作业和结构参数的影响。该模型被应用于两种情况。通过比较由模型计算出的，在开挖期间测量的和由Krause经验模型预测的载荷，可以验证其有效性。本文为施工期间的荷载设计和参数控制提供了参考。

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  • 来源
    《Automation in construction》 |2014年第15期|60-67|共8页
  • 作者

    Qian Zhang; Chuanyong Qu; Zongxi Cai; Yilan Kang; Tian Huang;

  • 作者单位

    Key Laboratory of Modem Engineering Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China;

    Key Laboratory of Modem Engineering Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China;

    Key Laboratory of Modem Engineering Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China;

    Key Laboratory of Modem Engineering Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China;

    Key Laboratory of Modem Engineering Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Total excavation load prediction; Cutterhead-soil coupling system; Decoupling mechanical analysis; Shield tunneling machine;

    机译：总开挖负荷预测;刀头-土壤耦合系统;解耦力学分析;盾构机;

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