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以北京地铁9号线丰科区间为例,介绍了无水砂卵石地质下暗挖联络通道的加固技术,为类似工程提供了借鉴。
Taking the section of Fengke of Beijing Metro Line 9 as an example, this paper introduces the reinforcement technology of the tunneling under the waterless sand and gravel geology, which provides a reference for similar projects.