【摘要】 我国公路、铁路隧道已有 40 0 0余座 ,经过多年运营 ,经常发现存在许多种病害 ,必须采用先进的无损检测方法加以监测防护 ,这是当前的趋向。本文对目前国内外存在的无损检测方法进行了归纳对比 ,并扼要介绍了各方法在我国的应用情况。更多还原

【Abstract】 There are almost 4,000 railway and highway tunnels i n China.in China.Through operation for many years,alot of tunnel defects occurre d frepuently.It is necessary to apply the advanced non-destructive testings for supervision and protection of the tunnels ,being a tendency in recent years.In this paper ,the methods of non-destructive testing in home and abroad are indu ced and compared,and their applying conditions in China are also introduced.更多还原