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标题 |
节理倾角对层状岩体大断面隧道稳定性研究(51 卷) |
英文标题 |
Study on influence of joint plane angle on stability of large-profile tunnel in layered rock mass |
摘要 |
以山西大梁山隧道工程为研究对象,研究不同节理倾角隧道围岩稳定性以及锚杆力学响应,阐明其不同于传统松散介质理论的层状岩质隧道失稳模式。主要得出如下结论:①节理面是隧道失稳破坏关键所在;②倾角较小时,拱顶容易发生弯折破坏;③锚杆串连数层层状岩体,增大层间摩阻 |
作者 |
新闻作者:赵景彭 |
关键字 |