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。
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。
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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