隧道二衬拱部油印水印的成因和预防及装修

Causes of oil and water marks at crown of tunnel in secondary lining as well as prevention and decoration measures

介绍了油印和水印的关系,分析了其形成原因,并从油剂的选择与涂刷方法、水泥的选用、施工方法、混凝土的拌和与捣固及工人的素质几方面阐述了油印、水印的预防措施,论述了其装修技术,以保证工程质量。

The relationship between oil and water marks is introduced. Based upon analysis of causing reasons, from the selection of oil and brushing methods, the choose of cement, construction method, mixing and tamping of concrete, quality of workers and other aspects prevention measures are elaborated as well as decoration techniques, in order to ensure engineering quality.