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。
The article describes the technical features, main construction and design performance of DG 600MW double-arch furnace boiler.
介绍东方锅炉（集团）股份有限公司600MW机组“W”型火焰锅炉的技术特点、主要结构及设计性能。
As a kind of new structure form, the single cavern and double layer tunnel is different from the separated tunnel and double-arch tunnel.
单洞双层隧道作为一种新的隧道形式，不同于分离式隧道和连拱式隧道。
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。
This problem had occurred under corner tangential firing and wall opposed firing, and it became even more serious under W-shaped flame double-arch firing.
四角切向燃烧和墙式对冲燃烧方式都有此问题，而W火焰双拱燃烧锅炉则更严重，值得关注。
The large-scale model testing is one of the important methods to research style of structural internal force and stability of surrounding rock in double-arch tunnel.
利用地质力学模型试验方法，对上述两个问题进行了探讨，给出了确定开挖松弛区范围的方法，以及顺层岩质边坡的边坡走向与岩层走向夹角的上限值。
The model of internal force for the secondary lining and the laws of the deformation and the stability for the surrounding rock have been set up firstly in the double-arch tunnel.
首次建立了双连拱隧道二次衬砌内力（轴力和弯矩）模型及围岩的稳定与变形的规律。
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.
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。
It includes bent ends of bones, puncture marks, superficial linear marks, peeling, crenulated ends and double arch punctures on the chewed edge.
这种痕迹包括在咬噬边缘上骨骼末端的弯曲、刺穿印记、表面的线性印记、剥落、小圆齿状的末端和双拱形的刺印。
It has a double arch, top and bottom. It's what makes an egg so incredibly strong.
它是双拱形的，上面下面都有。所以才使鸡蛋如此的坚固。
Described in this paper is the application of arch filling method for widening and strengthening double arch Bridges, including precautions to be taken during the design and construction.
本文叙述填芯加固法在双曲拱桥拓宽加固中的运用以及在设计和施工中应注意的事项。
This paper analyzes the reason of the double arch bridge's damages in theory, combined with the maintenance and reinforcement project of Yellow Dragon bridge.
本论文基于这种思想，结合黄龙大桥的维修加固工程，从理论上对双曲拱桥的病害原因进行分析，并总结了常见的加固方法。
The geological condition of Yuanmanguan RCC double-curvature arch dam of very complex, and there are eight crannies and nine faults.
园满贯碾压混凝土双曲拱坝地质条件复杂，坝区内有八组裂隙和九条较发育的小断层。
Though 37 years passed after the double arch and flat shell structure applied in the water power engineering, the rubber canvas faceplate has never been used.
薄壳空间结构具有很多优点，我国在水工闸门中使用双曲扁壳结构的历史已有37年，但尚未见到采用橡胶布面板的。
Based on the construction of Jiuwanxi Bridge, the paper describes the integral lift and assembly technology of steel tube arch in segment of double rib with cable crane.
结合九畹溪大桥施工实例，详细介绍采用缆索吊分段双肋整体吊装钢管拱施工技术。
In the project design of the Dongfeng Hydropower Station, the super thin high double curvature arch dam at the world level has been finally selected according to the continuous optimization design.
东风水电站工程设计中，经过不断的优化设计，最终选用了具有世界水平的超薄高双曲拱坝；
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。
Shahegou bridge is a double arch bridge in Shandong Liaocheng city that firstly use anchor spray cement concrete to reinforce.
沙河沟桥是山东聊城首座采用锚喷混凝土加固的双曲拱桥。
The Optimum Control Theory is applied to establish the double objective model and energy model for dynamic optimization of arch dam.
本文用最优控制理论建立双目标模型与能量模型对拱坝进行动力优化分析，两模型综合考虑拱坝的安全性、经济性和稳定性。
Yangmingsha Hydropower station dam is a C15 small size aggregate concrete stone masonry double curvature arch dam with crest spillway and flip buckets for energy dissipation.
阳明山水电站拦河坝采用C15细石混凝土砌石双曲拱坝，坝顶表孔泄洪，挑流消能。
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 Linhekou Hydropower Station has a RCC double-curvature arch dam.
蔺河口水电站大坝为碾压混凝土双曲拱坝。
The principle of this paper is compatible with each kind of arch aqueducts, such as double-curved arch aqueduct, ribbed arch aqueduct, trussed arch aqueduct etc.
本文原理对双曲拱渡槽、肋拱渡槽和桁架拱渡槽等，都是适用的。
From the turning which directed its course to the southwest, the river narrowed gradually and the channel lay between high Banks, over which the trees formed a double arch.
河身拐了一个弯向西南流去，再往上河床渐渐狭窄了，两岸很高，上面的树枝搭在一起形成一座拱门。
The model simulates the discontinuous rock body of dam foundation, the mechanical properties of rock and the entire double curvature arch dam.
试验过程模拟大坝基础的不连续岩体条件、岩体力学特性和整体双曲拱坝。
The paper gives a detailed introduction to the typical structure and manufacturing method of drum, waterwall, burner and waterwall header of the 300mw double arch furnace boiler produced by DBC.
文章以DBC制造的300MW“W”形火焰锅炉为例，详细地介绍了锅筒、水冷壁、燃烧器和水冷壁集箱的典型结构和制造方法。
The road double lines multi-arch tunnel has such advantages as low ground area, easy connection with other lines and so forth, and is adopted more and more widely in high grade road construction.
公路双线连拱隧道以其占地少、与线路连接方便等突出优势在高等级公路建设中被越来越多的采用。
The road double lines multi-arch tunnel has such advantages as low ground area, easy connection with other lines and so forth, and is adopted more and more widely in high grade road construction.
公路双线连拱隧道以其占地少、与线路连接方便等突出优势在高等级公路建设中被越来越多的采用。
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