查询词典 arch

The technical problems in design and construction of large span steel trussed arch were solved through making researches on the key technologies for design and construction of the bridge.

研究方法：结合桥址处的地质、地形、通航、水文条件，进行综合技术经济比较，采用结构分析计算和桥梁结构动力学与车辆动力学的研究方法。

Compared with the result of the soild model, it is found that the two results have great coherence. So it is feasible to take the shell model for numerical analysis of trussed combination arch bridge.

论文最后建立了清水大桥板壳有限元模型并利用该模型对该桥的恒载作用工况进行了数值分析，通过与实体模型的结果对比发现，两种模型的计算结果具有比较好的一致性，因此可以利用板壳模型对预应力桁式组合拱桥进行快速、准确的数值分析。

The analysis methods, the employed analytical tools as well as the analysis we obtained have a reference value to guide the management and conservation of the trussed combination arch bridge

文中所提到的分析方法，所运用的分析手段以及所得到的分析结论对指导桁式组合拱桥管理养护具有一定的参考价值。

With the increasing of concrete deck slab gap for dense transverse girder deck system, the vertical displacement of tied-girder increases unconspicuously, and the internal forces of tied girder and arch rib vary slowly.

针对高速铁路下承式结合梁系杆拱桥，通过有限元分析，对纵横梁桥面系和密布横梁桥面系2种结合方式、混凝土桥面板不同的分块方式等问题进行研究。

The results show that the weaken of crack directors has a little influence on stress release and little influence on stress distribution when the crack directors is uncracked. Once it cracked, the tension stress in the arch dam will reduce greatly.

实例计算结果表明：在诱导缝未开裂时，其削弱程度对坝体应力的释放程度有很小的差别，而对坝体应力分布规律几乎没有影响；一旦诱导缝开裂，则坝体中的拉应力大为降低。

It can produce unsymmetrically load when it is nearby the arch of the tunnel.

由于煤柱附近存在明显的应力集中，其与隧道的空间位置关系对隧道稳定性有较大影响，当位于隧道拱腰上方时，会使隧道产生扁压。

By adopting the calculating analysis method of elastic-plastic three-dimensional FEM numeric simulation, this paper makes a simulation analysis on the structure stability of the shallow cover and unsymmetrically loaded parts in Tongyoushan tunnel, mainly simulates the effects caused by different construction orders on surroundings and supporting structure stability, and it centers on the analysis on the weak part, the midwall in the lining of the connecting-arch tunnel.

采用弹塑性三维有限元数值模拟计算分析的方法，对桐油山隧道浅埋、偏压地段结构稳定性进行了模拟分析，主要模拟了不同施工顺序对围岩及支护结构稳定性的影响，重点对连拱隧道整体衬砌中的薄弱环节－中墙进行了分析。

Yieldable steel arch ; staple ; element stiffness matrix ; sectional inertial torque ; support internal forces ; residual internal stress

可缩性金属支架；卡缆；单元刚度矩阵；截面惯性矩；支架内力；残余内力

Then animals were killed by gas embolism, aorta was separated from the beginning of aortic arch to abdominal aorta crotch. At the end of experiment, the aortas were prepared for measuration of the concentration of ceramide and cholesterol. The pathological changes and plaque area were measured.

第十周实验结束时，用气栓法处死动物，将主动脉全部取下，沿正中线剪开，摄像，同时作主动脉斑块面积分析及HE染色等主动脉病理学检测，并取血管组织用HPTLC测量血管胆固醇的含量。

ON a brisk autumn afternoon, in the shadow of the marble arch in Washington Square Park, a couple visiting from Ohio walked along holding hands like two teenagers going steady, decades after "going steady" went out of vogue.

一个轻松的秋日午后，在华盛顿广场公园大理石拱门旁边，一对来自于俄亥俄州的夫妻手牵手在漫步，如同两个相互深爱的年轻人，但十年后的&深爱&已经缺少了一些时尚。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。