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- Operation node of steel form lining jumbo in Qinling Tunnel 秦岭隧道钢模台车的作业方式
- Different tunnel lining design theory will have different results for the headrace tunnel. 摘要对于引水隧洞的衬砌设计,采用不同的设计理论会得出不同的结果;
- The objective of this research is to make the quality evaluation of tunnel lining by using infrared thermography. 摘要本研究系探讨以红外线热影像分析技术来评估隧道衬砌之品质。
- Wave motion response of tunnel lining embedded in unbounded nonuniform soil medium is studied. 摘要研究了不均匀岩土介质中隧洞衬砌的波动响应。
- In constructing phase, for extruding shield method, the deformed tunnel lining is like a duck egg standing on end, while for EPB shield, it is like a lying duck egg. 在隧道施工阶段,挤压盾构法隧道衬砌呈现“竖鸭蛋”变形,而EPB盾构隧道衬砌则呈现“横鸭蛋”变形。
- The results of the studies show that the size, length, and scope of tunnel lining crack can be identify by infrared thermography images. 经实地检测高雄市西子湾隧道和高雄县大关山隧道,发现隧道衬砌之孔洞与裂缝部位,其红外线热影像温度差异变化大于没有孔洞裂缝之衬砌。
- In combination with repair demand model, the cost and benefit are evaluated, and effective maintenance scheme for tunnel lining is chosen. 结合维修需求预测模型,通过维修成本效益的评估,对隧道衬砌维修方案进行了比选;
- The test results show that the tunnel with smaller values of C/D and of d/D will suffer the larger bending moment on the existing tunnel lining caused by jacking force. 针对潜盾施工问题,本研究分为两大主题来讨论:第一部份探讨不同深径比下单隧道盾尾间隙闭合后,地盘应力释放所造成的隧道衬砌弯矩大小与分布情况;
- A brief introduction is made on the application of reflected wave method in tunnel lining air cavity detection for the discharge tunnel of Fengtinghe reservoir. 简要介绍了反射波法在凤亭河水库放水隧洞工程中衬砌空穴检测的应用情况,并结合施工开挖资料对应用效果进行评价。
- FEM analysis was made of a concrete tunnel lining post-prestressed with double-looped unbonded tendons.The calculated results agree well with the in situ measured results. 文中对一个无黏结预应力混凝土衬砌全部锚索张拉锁定后的应力状态进行了三维有限元计算,计算结果与实测结果具有良好的一致性。
- Secondly: Educed mostly factor of tunnel lining"s unstable stability is the circle of freeze and thaw.Moisture"s move boost up the destroy of the circle of freeze and thaw. 第二、分析得出围岩冻融循环是造成隧道衬砌失稳破坏的主要因素,水分迁移增强了冻胀的破坏性。
- This paper introduces the structural characteristics working principle and main parts structural and control design of the SDX big splint freeze tunnel line. 本文介绍了SDX大托板速冻隧道线的结构特点,工作原理及主要部件的结构设计。
- Lining of Double Track Tunnels with Large Form Lining Jumbo 双线隧道大模板衬砌台车施工技术
- Each of such bodies as tunnel lining, road way and road surface floorslab has only one inspection face, and the shock echo method has become a new technique for detecting thickness and defects. 摘要隧道衬砌、路道、路面楼板等只有一个检测面,冲击回波法成为新的厚度及缺陷检测方法。
- The researches show that the surveying radar technology used in highway tunnel lining can roundly detect the quality of the tunnel lining and has the advantages such as non - destructivity, high efficiency, wide-use and exactness. 研究表明利用探地雷达可全面检明隧道衬砌中的质量缺陷,并具有无损、快速、广泛、精确等优点。
- The tunnel portal earth pressure is divide into two parts at tunnel lining height, the earth pressure intensity-formula at upper part, below part, general earth pressure formula and earth pressure action point formula are derived. 以隧道衬砌的高度为界,将隧道洞门土压力计算分为上、下两部分,推导出上部上压力强度、下部土压力强度、总土压力及土压力作用点的计算公式。
- The numerical analysis method is used to study the ground movement laws caused by the ovalization variation in the cross section in the action of water and soil pressure of tunnel lining. 采用数值分析方法研究了隧道衬砌在土水压力的作用下,断面所产生的椭圆化变形引起的地层位移规律,并基于随机介质理论,给出了计算隧道椭圆化变形引起地层位移的方法。
- Key Technology for Concrete Pumping of Fully Hydraulic Steel Form Lining Jumbo 全液压钢模隧道衬砌台车泵送混凝土施工关键技术
- The specific properties of probability about loading effect on tunnel lining structure are analyzed by FEM response surface method,and the structure reliability index is calculated by fractile method. 采用有限元响应面方法计算隧道衬砌结构荷载效应的统计特征,并结合可靠度计算的分位值法进行结构可靠指标的计算。
- New technology preventing float of steel form of Lining Jumbo in tunnels 隧道钢模台车衬砌施工中预防模板浮动新工艺