过河口隧道是一座中型隧道,是承赤高速公路2标的控制性工程,工程建设具有施工质量要求高、施工技术风险大等特点。本文根据过河口隧道的特点,分析了隧道施工的风险并提出预防控制措施。 Crossing the estuary tunnel is a medium-sized tunnel, which is a controlled project of Chengchikeng Expressway. The construction of the project is characterized by high construction quality and large construction technology risks. Based on the characteristics of crossing estuary tunnel, this paper analyzes the risk of tunnel construction and puts forward prevention and control measures.