犹如弯弓的单拱，在与人行通道连接之处是非常之薄，在向地面延伸的过程中逐渐变厚。
The bowed arches of the single-span design are dramatically thin where they connect with the walkway, but they flare out as they approach the ground.
建筑学中，拱道或门口的拱心石，是把建筑整体连接在一起来防止它倒塌的石头。
In architecture, a keystone in an archway or doorway is the stone that holds the whole thing together, and keeps it from collapsing.
计划中的大号拱心石石油管道将用于运输产自加拿大油沙的重原油。
The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.
同时结合有限元数值分析技术，对小金口双连拱隧道的施工过程进行了监控，确保了隧道施工过程中围岩的稳定及支护结构的安全合理。
By the field monitoring measurement and the applying of FEM, we can monitor the construction procedure to ensure the stability of the surrounding rock and the safety of lining.
在肋拱桥的设计中，常采用弱横向联系变截面拱肋。
In the design of rib arch bridge, the arch rib of variable cross section of weak transverse fixed is adapted usually.
条形照明灯突出了拱腹，并且再次强调了设计中无处不在的三角形。
Strip lighting highlights the soffits and again reinforces the ubiquitous triangular shapes within the design.
研究表明，支架上方顶煤体中能够形成“拱”结构，该结构的存在将对工作面矿山压力显现产生显著影响。
The research results showed that an arch structure would be formed in the top coal above the supports.
根据深基坑桩排式支护中护壁桩的受力变形特点，分析了被支护土体中的成拱作用。
According to the working characters of retaining piles for deep excavation, the arching effect in adjoining soil is analyzed.
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。
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.
建立破碎围岩的力学模型，求破碎围岩中连拱隧道荷载的理论解。
Their related mechanical models are established and theoretical solutions to the calculation of chain tunnel load inside broken rock mass are obtained.
最后，对无中墙连拱隧道的施工方案进行了比选，即对交叉中隔壁工法的两种施工工序进行比较分析。
Finally, the construction plans of the double-arch tunnel without middle-wall are compared, that is, two construction process engineering methods of CRD construction method are compared.
在屋面结构中，采用拱与网壳杂交的“拱-壳”组合体系，而拱与网壳采用V形撑进行连接。
In the roof, the "arch-shell" combinatorial system is adopted, the arch and the latticed shell is linked with the latticed shell by V branch.
软土中的机械预切槽法是超前支护的一种，在预筑拱的保护下可以安全高效地开挖隧道。
The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
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。
At present, there is a lack of construction technology research on the curved middle wall twin-arch tunnel.
斜拉扣挂施工中索力计算复杂，根据“零弯矩法”概念，推导出拱肋节段吊装中各施工阶段扣索索力的计算公式。
On the basis of conception of zero moment, we can deduce the computational formula of the tension of cable in the different construction stage of the steel tube arch ribs.
在三山西大桥拱肋缺陷检测中，通过声时波形参数计算拱肋缺陷的大小，并进行了钻孔验证。
In Sanshan West Bridge arch's defect detection, we calculate the defect's dimension through analysis the wave time and wave shape parameters, and then verify the results by boring a hole.
通过采用商用有限元软件ANSYS中的拓扑优化设计模块对自行车车架和多拱拱桥进行了拓扑优化设计，优化结果表明所得拓扑结构清晰，并与实际的自行车车架和多拱拱桥非常相似。
The topology optimization design module of the commercial finite element software ANSYS was used to the bicycle frame and multiple arch bridge for the topology optimization design.
他的手势与其长长的手臂相一致，手势很大，一会儿象宽宽的拱架，一会儿又把手交叉在一起，手指轻快地转动着，表明讨论中的细微之处。
His gestures are huge in keeping with his long arms, reaching at one moment in a wide arc, at another bringing his hands together with the fingers twirling to suggest a finer point in the discussion.
在拱梁组合桥梁设计和施工分析中，确定成桥状态时的吊杆张拉力非常关键。
In design and construction of composite arch and Beam bridge, it is very important to determine the boom tensile force when the bridge is almost completed.
实际工程中的拱结构并不是采用固支或简支等理想刚性支承，而是具有弹性支承、阻尼支承等柔性动边界。
Rigid supports like clamped and simple supports are not actually adopted at the ends of arches in the engineering, but flexible supports such as elastic supports, damping supports are adopted.
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。
In this article, authors state construction technology study achievements gained in construction of the Huxiuling double lines multi-arch tunnel and their application.
结果表明，在预应力拱架结构的抗震研究中，需同时考虑水平和竖向地震作用。
Some results are indicated that horizontal and vertical seismic force must simultaneously be considered in the seismic study and design of the prestressed-arch structures.
结果表明，在拱结构模态试验中，ED法具有一定的合理性，但其随机性较大。
It is found that the ED method has certain rationality in the arch modal experiment, but its randomness is bigger.
本文论述起重机主梁的上拱度及预拱曲线的基本原理，介绍了国内外起重机技术标准中规定的上拱度值。
This paper discusses the question of crane main girder camber and the pre-cambering curve, introducing camber values stipulated in related crane standards in China and abroad.
扶垛：建筑中，自墙面凸出的砖石砌体，用以加固墙身或抵抗由拱或屋顶所产生的横向推力。
Buttress: Exterior support, usually of masonry, projecting from the face of a wall and serving to strengthen it or resist outward thrust from an arch or roof.
针对链条炉排锅炉固定式炉拱结构在运行中存在的诸多缺陷，研制出活动炉拱。
In view of the drawbacks of the chain boiler fixed arch in operation, has been developed the moving arch.
掘进过程中的支护采用湿喷混凝土，3米厚的基底和穹拱衬砌采用浇注混凝土。
Wet sprayed concrete for supporting purposes during the drive, in situ concrete for the up to 3 m thick Base and for lining the vault.
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。
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。
In recent years, the double-arch tunnel has been widely used in vehicular tunnel construction, which has new structural style and many other advantages.
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