Abstract
As a permanent supporting structure of underground tunnel, the quality of concrete lining plays a vital role in the long-term stability and normal use of the tunnel. How to accurately detect the thickness and internal defects of tunnel lining concrete and the void of joint surface is a problem of great concern. In this paper, combined with many detection methods in China and abroad, based on the seismic wave theory, a set of detection technology of lining by comprehensive wave field method suitable specially for concrete lining is proposed, and the corresponding detection equipment and processing software are designed and developed, which plays a vital role in the development of lining quality nondestructive detection technology.
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