既有线隧道病害整治设计

摘要

By taking the existing tunnel project of Pingnan railway electrification project as an example, this paper describes the common disease situation and causes of the existing tunnels, puts forward the corresponding improvement measures and prove its feasibility by the construction practice.%本文以平南铁路电气化改造工程既有隧道病害整治项目为例，细述了既有线隧道普遍存在的病害情况、形成原因，并提出了相应的整治措施，经过施工实践证明其可行。