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concrete liner
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  混凝土衬砌
     After mending, the inner strength of the concrete liner is obviously improved, the averaged compressive strength and bending strength of the silica cement mortar reach 48 6? MPa and 11 8?
     经修补后的引水泄洪洞混凝土衬砌内在强度明显提高 ,硅粉砂浆 2 8d平均抗压强度达到 48.6MPa,抗折强度达到 1 1 .8MPa;
短句来源
     Causation and prevention of concrete liner freeze thawing damage in trench
     渠道混凝土衬砌冻融破坏原因及防治措施初探
短句来源
     Since 1980s,for a variety of reasons in construction system,management ability,design and construction levels,the quality of partial works in Chinese water conservancy & hydropower project construction has been poor,resulting in serious quality accidents such as dam failure and intake tunnel concrete liner collapse etc.
     80年代以来,我国水利水电工程建设由于种种原因,如建设体制、管理水平、设计水平、施工水平等,致使部分工程质量出现滑坡,相继出现了垮坝、引水隧洞混凝土衬砌坍塌等严重质量事故。
短句来源
     Improve of Needle-beam Carriage in Concrete Liner Construction for Diversion Tunnel of Dahuashui Hydropower Station
     针梁台车在大花水水电站引水隧洞混凝土衬砌施工中的改进
短句来源
     Also, the abrasive resistance and apparent situation of the concrete liner are greatly improved.
     混凝土衬砌抗磨蚀性能及表观状况也得到大幅度改善
短句来源
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  砼衬砌
     Tunnel Concrete Liner's Construction Method of Zhaoshandu Water Diversion Project
     赵山渡引水工程隧洞砼衬砌的施工方法评析
短句来源
     Author summarizes and analyses strong points and weakness of construction methods of tunnel concrete liner through his personal experience to 18 tunnels'(51 85km length) construction of Zhaoshandu Water Diversion Project,and stressly presents some key to accomplish tunnel concrete liner quickly and effectively in construction,for reference to readers.
     通过对赵山渡引水工程 18条隧洞长 5 1 85km施工的亲身体会 ,总结和分析隧洞洞身砼衬砌各种施工方法的优缺点 ,重点介绍了如何快速和有效的完成隧洞洞身砼衬砌的施工及在施工过程中应注意的几个问题 ,供读者参考 .
短句来源
  “concrete liner”译为未确定词的双语例句
     A Measurement of Released Stresses and Analysis of the Behaviors of the Underground Arch With Reinforced Concrete Liner in Liujiaxia Hydraulic Power Station
     刘家峡水电站地下厂房顶拱衬砌应力解除试验和工作状态分析
短句来源
     The Waterproofing Status Quo of Construction and Deformation Cracks in Tunnel Concrete Liner
     隧道衬砌施工缝、变形缝防水技术现状
短句来源
     However, argumentation of experts based on site testing during construction leads to the replacing of original scheme by unbonded pre-stressed concrete liner.
     在施工阶段 ,经专家论证和现场试验 ,决定改为无粘结预应力结构衬砌方案。
短句来源
     Through the comparison of the schemes of the hydraulic pipeline of the connecting section of Wanjiazhai YRDP, this paper analyzes and demonstrates the application of PCCP in the tunnel and its superiority over the application of the cast-in-situ reinforced concrete liner in this engineering.
     文章通过对万家寨引黄工程联接段输水线路的方案比选 ,分析论证了PCCP在隧洞中的应用及其比现浇钢筋混凝土衬砌在该工程运用上的优越性
短句来源
     Combined with field data, this paper has discussed the effectiveness of ground penetrating radar (GPR) in the inspection of construction quality of concrete liner of highway tunnel and water culvert and the distribution of reinforced steel bar in the concrete liner.
     本文结合现场实测资料 ,讨论了探地雷达技术在公路隧道、引水涵洞衬砌质量及混凝土结构中钢筋铺设质量 ,进行检测方面的应用效果。
短句来源
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  concrete liner
The tunneling contractor was able to excavate the collapsed tunnel and install the concrete liner without any further difficulties.
      
The extensive anchor pullouts at the Callahan Tunnel warrant eventual retrofit of all anchorages to the concrete liner.
      
The current conceptual design of the emplacement drift does not include a concrete liner.
      
One was to strengthen the interior silo walls with a reinforced concrete liner.
      
After cutting the tunnel a liner is installed, followed by a waterproofing membrane that is covered by a second concrete liner.
      


In this general program, the characteristic method of equal time interval grid is used for calculating water hammer, the gate is nonlinearly (or linear ly ) opened and closed. The program is concise, accurate, and easy to use. Less memory elements and shorter calculating time are needed only. Different results of calculating water hammer in series pipes or simple pipes can be quickly obtained by keying in various data. ( without modifying the program ) It may be used for water hammer calculation in combined...

In this general program, the characteristic method of equal time interval grid is used for calculating water hammer, the gate is nonlinearly (or linear ly ) opened and closed. The program is concise, accurate, and easy to use. Less memory elements and shorter calculating time are needed only. Different results of calculating water hammer in series pipes or simple pipes can be quickly obtained by keying in various data. ( without modifying the program ) It may be used for water hammer calculation in combined series pipe-lines and various simple pipe-lines, such as steel pipes, reinforced concrete pipes in open air, non-lined tunnels, underground pipe-lines (steel plate liner, reinforced concrete liner, and combined liner), etc. It is especially efficient to calculate water hammer for many different cases.

本通用程序中,水击计算采用等时段网格特征线法,阀门启闭为曲线(含直线)变化规律。本程序结构紧凑,需要存贮单元少,使用方便灵活,节约计算时间,成果精度高,只要从键盘上改变输入的数据(程序本身不需更动),便能迅速得到相应情况下,串联管或简单管的水击计算结果。可用于露天钢管、露天钢筋混凝土管、无衬砌隧洞和埋藏式管道(钢板衬砌或钢筋混凝土衬砌或混合衬砌)等组合的串联管,以及各种简单管道的水击计算。特别对于大量不同情况下的水击计算更显优越。

The thermo-elastic reciprocal theorem is applied to deduce the formulas for calculating the width of radial crack due to thermal load. Based on the calculated results of the crack width for internal pressure, the circumferential displacement of the outer surface of the cylindrical concrete liner due to the temperature difference between outside and inside can be derived. Thus, the amount of radial crack can be estimated. Finally, The magnitude of the opening and closing of the cracks due to the variation...

The thermo-elastic reciprocal theorem is applied to deduce the formulas for calculating the width of radial crack due to thermal load. Based on the calculated results of the crack width for internal pressure, the circumferential displacement of the outer surface of the cylindrical concrete liner due to the temperature difference between outside and inside can be derived. Thus, the amount of radial crack can be estimated. Finally, The magnitude of the opening and closing of the cracks due to the variation of temperature can be calculated.

水电站运行期内因温度变化引起钢衬钢筋混凝土压力管道混凝土径向裂缝的张合变化,是混凝土裂后特征的重要方面。本文运用热弹性交互定理导出径向裂缝温度张合量的公式,该数学模型精度较高而且简捷方便,可供设计工程师使用。

In this paper,the interface stress element model for discontinuous media is established in accordance with the characteristics of shield tunnel for transporting water through Yellow River in the project of diverting water from the South to the North.A careful imitation of two layer reinforced concrete liner tube is made and the interaction between the liner and the soil is taken into consideration.Theoretical analysis and numerical...

In this paper,the interface stress element model for discontinuous media is established in accordance with the characteristics of shield tunnel for transporting water through Yellow River in the project of diverting water from the South to the North.A careful imitation of two layer reinforced concrete liner tube is made and the interaction between the liner and the soil is taken into consideration.Theoretical analysis and numerical results show that the model,being precise,adaptable and especially good at imitating the discontinuous deformation of various cracks,has a wide range of application.

针对南水北调中线穿黄工程输水盾构隧道的特点,建立了不连续介质力学的界面应力元模型.分析中,对双层混凝土衬砌进行了精细模拟,考虑了衬砌结构与土体的相互作用.理论分析和数值计算结果表明,本文建立的计算模型精度高,适用性强,能够较好地仿真各种缝面的不连续变形特征.

 
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