The article introduces the geological conditions, design and construction, present situation of the defects and the defect treatment measures of Nanling tunnel.

介绍了南岭隧道地质条件、原设计及施工概况，以及隧道病害现状及本次病害整治措施。

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Defect on air pressure vessel materials of high speed wind tunnel resource was inspected by means of ultrasonic radiographic and magnetic particle.

对高速风洞气源气罐全厚材料用超声、磁粉、射线等方法进行了缺陷检测。

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Taking the defect of landslide at the exit part of Bailu Mountain Tunnel for example, the causes of landslide are expounded, and the nature of landslide is also analyzed.

以白鹿山隧道出口段的滑坡病害为例，阐述了滑坡现象的成因，并进行了滑坡体性质的分析。

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