提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
介质和衬砌内动应力集中系数随孔径、衬砌厚度、波数变化而变化，且与衬砌性质有关。
Coefficients of dynamic stress concentration change with lining aperture, thickness of lining, wave number and type of lining.
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.
室内试验和工程应用研究表明，该方法为隧洞混凝土衬砌厚度检测提供了一个有效的测试手段。
Indoor experiment and application study shows it is an effective method for testing thickness of tunnel concrete lining.
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.
在此基础上，分析了均布突加荷载作用下土体泊松比、剪切模量及衬砌剪切模量、衬砌厚度对衬砌动力响应的影响。
On this basis, the influences of the Poisson's ratio of soil, shear modulus of soil, shear modulus of lining and thickness of lining on dynamic response of the lining are analyzed.
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.
但对于二次衬砌的厚度、是否需要配筋的看法则有很大的不同。
However, the thickness or the need for reinforcement of view to the secondary lining is very different.
最后，对波数及衬砌结构厚度等参数进行了分析。
The wave number and thickness of lining are analyzed in this paper.
泡沫混凝土层在复合衬砌结构中的最佳位置，外侧钢筋混凝土与内侧钢筋混凝土厚度比大致在1：2左右。
The optimal location of the foam concrete is obtained, and the thickness ratio of outer reinforce concrete to inner is about 1:2.
衬砌背后回填不密实层和空洞厚度检测值的误差范围与天线密贴衬砌的情况一致。
The deviation ranges of uncompacted backfill and cavity thicknesses behind the lining agree with those when the antenna closes up to the lining specimen surface.
衬砌背后回填不密实层和空洞厚度检测值的误差范围与天线密贴衬砌的情况一致。
The deviation ranges of uncompacted backfill and cavity thicknesses behind the lining agree with those when the antenna closes up to the lining specimen surface.
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