The tunnel deepening for 1 meter takes one day. Three days more - for concrete casting of the walls and the arch.
隧道加深一米需要1天的时间,而浇铸混凝土墙壁和拱顶需要3天多的时间。
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构,采用围岩-结构模式,进行了模拟施工动态的受力影响计算分析。
In this article, the author analyzes and researches bias arch tunnel construction technology.
在本文中,笔者对偏压连拱隧道的施工技术进行了分析和研究。
Through analysis on theory, the author finds the basic regularity in transmitting the supporting force by the arch supporting force of tunnel with circular arch section.
通过细致的理论分析,笔者初步找出了圆拱状断面隧道拱壁支承力传递的基本规律。
The author, with his practice in his long working time , discover some blemish in the traditional way of analysis on arch supporting force of tunnel with circular arch section.
笔者在长期的工程实践中发现,传统的圆拱状断面隧道承压能力分析方法有一定的缺陷,圆拱状断面隧道拱壁支承力的传递有一定的规律可循。
Unite arch tunnel has its own characteristics which include short tunnel, fleet bury depth and bad surrounding rocks arouses landslide easily in construction.
联拱隧道有其自身特点,由于隧道短,埋深浅、围岩差,施工中容易引起塌方。
Primary supporting parameters, construction method transformation from the normal route tunnel to the three-connected-arch tunnel, and engineering practice effects are introduced respectively.
介绍了该断面初期支护参数、由区间标准断面转换到三连拱隧道的工法及工程效果。
The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
采用拱背非均布荷载作用模式,利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
Objective: to probe and compare the status of gastroesophageal reflux after two kinds of intrathoracic esophagogastrostomy, the stapled anastomosis and the tunnel anastomosis above aortic arch.
目的:探讨主动脉弓上食管胃隧道式吻合和器械式吻合术后胃食管反流的状况及差异。
Wulongling tunnel on the Jingzhu Expressway is a dual-arch highway tunnel with a large span, shallow depth, poor geology and uneven ground pressure.
五龙岭隧道由于其特殊的地形地质情况,使该隧道具有大跨、浅埋、软弱不良地质和偏压等四大难点。
Free-flow tunnel used more round arch straight wall form cross-section.
无压隧洞多采用圆拱直墙形断面。
The deflections and settlements of three-connected-arch tunnel tend to be stable and meet the requirements of the construction control values.
三联拱隧道段沉降、变形稳定,满足施工控制值的要求。
In this article, authors state construction technology study achievements gained in construction of the Huxiuling double lines multi-arch tunnel and their application.
本文就修建岵岫岭双线连拱隧道过程中开展的施工技术研究成果和应用情况做了介绍。
The study of construction stimulation and control of multi-arch was run to solve tunnel dynamics construction mechanics.
通过对双连拱隧道施工工艺及施工控制的研究,拟解决隧道动态施工力学问题。
Loess has the characteristics of structural properties, such as incomplete consolidation, collapsibility; and the multi-arch tunnel of highway has complex excavation steps and structure stress.
由于黄土具有结构性、欠压密性和土结构性受损易发生湿陷等特性,再加上会路连拱隧道施工开挖工序多,结构受力复杂。
The result of forecasting is consistent with the fact one. The applicability of block theory in overbreak of doubled arch tunnel is tested.
通过预测得出的结果证实了块体理论在高速公路连拱隧道超挖预测中的适用性。
The paper introduced the choice and construction process of loess multi-arch tunnel middle wall, analyzed monitoring and measurement of strengthening the middle wall for reference.
介绍了在黄土地区双连拱隧道中墙的选择及施工过程,并分析了如何加强对中墙的监控量测等。
Lishi tunnel is the first loess multi-arch tunnel in China. The designs of the tunnel are briefly introduced, including lining structure, prevention drainage treatments and construction process.
离石隧道是我国第一座黄土连拱隧道,简要介绍了该隧道的衬砌结构、防排水处理、施工工序等的设计概况。
Combined with the construction experience, the paper discussed the key technology of double multi-arch tunnel construction for reference.
结合近年来的施工经验,对双连拱隧道施工主要控制点的关键技术进行阐述,供今后的工程施工参考。
The double-arch tunnel passes through a big water-eroded groove by setting foundation beam method.
双跨连拱隧道以设置地基梁的方式穿过大型溶槽地段。
Since in soft surrounding rock zone, it is difficult to construction of bi-arch tunnel, and no experience we can learn from.
在软弱围岩地区,双连拱隧道的施工具有极大的难度,没有可以借鉴的经验。
The swallow-tail tunnel is a new structure in recent years, which consists of a small space tunnel and large-arch tunnel.
燕尾式隧道是国内近几年出现的一种新的隧道结构形式,它由小间距隧道、大拱隧道组成。
For this purpose the mechanism of forming a rock tunnel roof arch and reinforcement will be illustrated with the underground powerhouse in the Three Gorges Project.
为此,以三峡工程地下厂房拱顶设计为例,研究洞顶岩石拱结构形成及加固机理。
In recent years, the double-arch tunnel has been widely used in vehicular tunnel construction, which has new structural style and many other advantages.
近年来,双连拱隧道以其新颖的结构形式和自身的优点被广泛应用于公路隧道的建设中。
At present, there is a lack of construction technology research on the curved middle wall twin-arch tunnel.
曲中墙连拱隧道,是在对当前连拱隧道修建过程中进行总结论证基础上提出的一种新型构造形式。
It had made an analyse and optimized the the design of two-arch tunnel by making use of plane FEM theory analyse, and this received good economical effect.
利用平面有限元理论分析并优化了双连拱隧道的设计,并在施工中取得很好经济效果。
It had made an analyse and optimized the the design of two-arch tunnel by making use of plane FEM theory analyse, and this received good economical effect.
利用平面有限元理论分析并优化了双连拱隧道的设计,并在施工中取得很好经济效果。
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