山岭隧道衬砌混凝土裂缝产生原因和防治措施

On reasons for cracks on mountain tunnel lining concrete and prevention measures

结合具体工程实例,介绍了隧道衬砌混凝土裂缝的主要类型,针对混凝土裂缝产生的原因,根据施工经验提出了混凝土裂缝的预防和治理方法,对提高二次衬砌混凝土施工水平,改进施工工艺具有一定指导意义。

By combining with examples of the projects,the paper introduces the main types of the tunnel lining concrete cracks,points out the prevention and treatment methods for the concrete cracks according to the working experience,so as to improve the construction of the secondary lining concrete,and direct the improvement of the construction craft.