Abstract
Combining highway tunnel testing and assessment with the application of geological radar technology in tunnel detection, key technologies of survey line layout, setting of acquisition parameters, and on-site testing are reviewed. Relying on field test data, lining thickness and density degrees of the left and right spandrels and the arch crown being safely used are more deeply researched. According to test results, whether the actual lining thickness of the spandrels and arch crown of the tunnel meet the requirements of design and specification is analyzed. Studies show that geological radar detection technology for tunnel nondestructive testing and evaluation is an effective method, and the correlation detection technique and analysis method have some reference value for similar tunnel structures.
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