It has been proved that GPR is a feasible method to inspect the structure of tunnel concrete lining.
使用地质雷达对隧道混凝土衬砌结构进行检测，实践证明技术方法是切实可行的。
Indoor experiment and application study shows it is an effective method for testing thickness of tunnel concrete lining.
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。
The dynamic finite element method is employed to analyze the failure mechanism of vaulted tunnel concrete lining and the factors influencing failure range under the impact of explosion.
运用动力有限元数值方法，研究了拱形坑道衬砌在爆破荷载作用下的破坏机理与影响破坏范围的主要因素。
After pass through analyze a lot of fact checking data, tunnel lining concrete thickness require could express by probability statistic.
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。
In the mountain tunnel construction, the secondary lining concrete crack is a certain universal quality problem.
在山岭隧道施工中，二次衬砌混凝土裂缝成为带有一定普遍性的质量问题。
Moulding Board -typed bench machine pumps the concrete lining, which is a lining method tunnel construction unit commonly adopts it at present.
模板台车泵送混凝土村砌是目前公路隧道施工单位普遍采用的衬砌方法。
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.
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。
As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
对于水工隧洞衬砌混凝土，在施工期由于水泥水化热作用，温度应力影响显著，是产生混凝土结构裂缝的重要原因之一。
When there is pyrite-bearing strata in tunnel construction, oxidization of pyrite will result in formation of acidic environment and bring adverse effect on durability of concrete lining.
当隧道工程施工遇到含黄铁矿的地层时，黄铁矿氧化形成的酸性环境以及其引发的一系列化学反应会对隧道混凝土衬砌的耐久性带来不利的影响。
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖，临时支护，混凝土衬砌等。
We have used needle beam telescoping steel form in the Mao-Gong reservoir sediment tunnel in the concrete lining.
在庙宫水库排沙洞的衬砌施工中使用了针梁式混凝土衬砌钢模台车。
Through the study of early thermal stress of the concrete tunnel lining, we can provide an effective reference for tunnel Construction.
通过对隧道衬砌混凝土的早期温度应力的研究，能够对隧道施工提供一个有效的参考依据。
This paper studies the temperature change of tunnel lining at the early stage, thus thermal stress of concrete.
本文主要研究隧道衬砌混凝土早期温度的变化，进而研究混凝土早期温度应力。
The design technology-way of high-performance concrete mix-ratio projects used in second-level lining of Xiamen-xiang an undersea tunnel engineering is discussed.
阐述了厦门海底隧道衬砌高性能混凝土配合比方案的设计技术路线。
The polypropylene fiber reinforced concrete, which is a new type of the tunnel lining structure, has the characteristic of easy construction and can improve the concrete behavior and durability.
聚丙烯纤维喷混凝土作为隧道锚喷支护中的新型支护方式，具有施工便捷特点，并可以改善混凝土的性能和耐久性。
For tunnel sections with good surrounding rocks, the U-shaped rock-bolted section is selected as a final optimized section instead of the original circular reinforcement concrete lining section.
对隧洞围岩条件良好洞段，论证取消隧洞原圆形钢筋混凝土衬砌，选定马蹄形锚喷断面作为最终优化断面形式。
One tunnel is being constructed by TBM. Its lining adopts precast concrete hexagonal segment.
某隧洞工程采用TBM施工，六边形预制钢筋混凝土管片衬砌。
Strength test on concrete lining in highway tunnel based on synthetic method of ultrasonic rebound;
建立了适用于开封地区且精度高于全国通用测强曲线的超声回弹综合法专用曲线。
Strength test on concrete lining in highway tunnel based on synthetic method of ultrasonic rebound;
建立了适用于开封地区且精度高于全国通用测强曲线的超声回弹综合法专用曲线。
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