根据六沾线乌蒙山二号隧道洞身中部衬砌开裂的工程实例,简要分析了隧道衬砌开裂的原因,并提出了相应的整治原则和整治措施,现场整治后达到了预期的效果,为类似的病害整治设计提供了参考.%According to the engineering example of lining cracking in the middle of Wumengshan No. 2 tunnel of Liupanshui-Zhanyi Railway, the causes of tunnel lining cracking were briefly analyzed, and the corresponding treatment principles and measures were put forward. The expected effect has been achieved after treatment on site, which provided reference for similar disease treatment design.
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