The reason and control of cracks in mechanized lining concrete are also discussed in this paper.
同时，对机械化衬砌混凝土裂缝产生的原因及预防和控制措施进行了探讨。
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。
The superposition between fracturing and explosive spalling plays a key role in the multi-layer damages of the lining concrete.
裂隙的扩展和爆裂作用的叠加是衬砌混凝土发生多层剥落的重要原因。
The multi-layer explosive spalling damages depend strongly on the high humidity of the lining concrete, the high temperature and.
混凝土的湿度大、火灾温度高且持续时间长是发生多层爆裂损伤的重要条件。
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。
Abstract: the environmental effects are analyzed and the secondary lining concrete durability is studied in the design for Qingdao Metro Line 3.
摘要：分析了青岛地铁3号线所在地域的环境作用，并对地铁二次衬砌混凝土的耐久性进行研究。
The main studying contents of this thesis are optimization-design of the mixture ratio of tunnel's secondary lining concrete and internal structural analysis.
本文的主要研究内容为隧道二次衬砌混凝土配合比优化设计及其结构内力分析。
The authors introduce the technique parameters, construction flow and operation points on construction equipment of mechanized lining concrete on largescale canal.
介绍了大型渠道机械化衬砌用混凝土的技术参数、衬砌机械化施工工艺流程及施工时设备操作使用要点等。
It is concluded that the damage features of the lining concrete are related to fire source, fuel supplying mode, landscape and ventilation condition of the conflagration.
衬砌混凝土的局部损伤特征受火灾发生时的火源、燃料供给、受火区段的地形、通风等因素的影响。
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。
In view of the lining concrete engineering of Xiluodu hydropower station, 3-dimensional finite element method is used to analyze thermal stress sensitivity of the surrounding rock deformation modulus.
针对溪洛渡水电站导流洞衬砌混凝土工程，采用三维有限元法分析了围岩变形模量变化对温度应力影响的敏感性。
They worked with hand trowels, a plywood form for lining the shaft with concrete, inch by inch, and a sturdy hand-built crank for lowering a man to the bottom and sending up buckets of sand.
他们的作业工具是：挖土用的手工泥铲、浇筑混凝土井壁用的胶合板模板、还有手工制作摇杆。摇杆将一个人送到井底，那个人就在井底一点点挖土然后再通过摇杆把沙子一桶桶送到地面。
The heavily textured exterior is contrasted by the wood-imprinted concrete lining of the double-height studios and workshops within.
外观沉重的质感与内部通高的工作室和车间使用的木纹混凝土产生对比。
An anticorrosion method of using modified water glass concrete lining of furan resin for saturators is introduced.
介绍了一种对饱和器采用呋喃改性水玻璃混凝土衬里的防腐蚀方法。
It is important and difficult for design and calculation of concrete buoyancy in construction of formwork lining trolley with full circle section.
在全圆断面模板衬砌台车的施工应用中，混凝土浮力的设计计算是重点和难点。
Construction of concrete lining at the time of the basic lofting lofting method consistent with the excavation.
混凝土衬砌时的施工放样基本与开挖放样方法一致。
Further, the paper discussed the necessity of using full concrete lining for the Xiaowan plunge pool and made new proposals for its bottom elevation, length and shape.
文中还讨论了小湾水垫塘采用全面混凝土衬砌的必要性，并对水垫塘底板高程、长度及体型提出了新建议。
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。
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。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
Steel lining, concrete lining and surrounding rock can work together to share internal water pressure.
在内水压力下，钢衬、混凝土衬砌和围岩可共同承载。
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。
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。
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。
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。
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。
Engineering practices show that lining hanging concrete in time is an important technique to make sure of the construction safety of large-scale surge tank project at complex geologic condition.
工程实践表明，跟进衬砌悬挂混凝土是保证复杂地质条件下大型竖井工程施工安全的重要技术措施。
Engineering practices show that lining hanging concrete in time is an important technique to make sure of the construction safety of large-scale surge tank project at complex geologic condition.
工程实践表明，跟进衬砌悬挂混凝土是保证复杂地质条件下大型竖井工程施工安全的重要技术措施。
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