阐述了W型钢带的性能特点，介绍了W型钢带在铁路隧道衬砌厚度不足情况下的补强加固技术。
This paper expounds the performance features of W-shape steel strip, and introduces the reinforcement technique adopted in the case that the lining thickness of railway tunnel is insufficient.
在经过对大量的检测数据的分析后，隧道二次衬砌厚度的检测要求可采用数理统计方法表达。
After pass through analyze a lot of fact checking data, tunnel lining concrete thickness require could express by probability statistic.
本文通过地质雷达公路隧道衬砌检测的模型试验，研究了地质雷达检测二衬混凝土厚度、二衬中的不同深度，不同间距钢筋以及衬砌模型中的缺陷。
The paper did research on the thickness, depth, different spacing steel, and other bugs in the second concrete lining, through the model experiment of GPR in the highway tunnel lining detection.
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