The researches show that the surveying radar technology used in highway tunnel lining can roundly detect the quality of the tunnel lining and has the advantages such as non - destructivity, high efficiency, wide-use and exactness.

• 研究表明利用探地雷达可全面检明隧道衬砌中的质量缺陷，并具有无损、快速、广泛、精确等优点。