查询词典 arch bridge

In the interim governance new river dug river 3.3 kilometres, the new zoo at the locks, new long river bridge, forklifts official, Beijing kits Railway Bridge, Highways and Bridges Academy, timber building bridges, small East Village West Bridge, the small East Village Bridge, MTR Cheliangduan, xinjiekou Main Street Bridge, North riparian communities a total of 11 blocks across the bridge, one Block secret scheme, two blocks ran Jiezhizha 2 Block Terminal 1 Block, fill water gates, the original half-buried in the ground with heavy river finally light.

在此次治理中转河新挖河道3.3公里，新建动物园船闸一座、新建长河桥、叉车厂桥、京包铁路桥、学院路桥、木材大厦桥、东小村西桥、东小村东桥、地铁车辆段、新街口大街桥、北滨河路桥共11座跨河桥，1座暗涵，2座暗沟节制闸，2座码头，1座补水闸，原来被埋在地下的一半转河终于重见了天日。

This thesis is based on crane dynamic theory and finite element theory, and utilized software platform of ANSYS. It realizes model analysis and transient analysis of steel rope and bridge structure. The data and conclusion offered effective method to bridge crane design. The thesis mainly includes:According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析(包括固有频率、振型以及动应力)的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

In order to ensure the construction process safe and the bridge structure would reach its ideal state, lots of questions in its whole construction control and swivel ereetion construction control are discussed and studied.Firstly, based on the experiences about the cable-stayed bridge's construction control, do emulational anlysis to Sui Fenhe cable-stayed bridge by using the bridge analyzing program of BSAS and Dbridge, analyze the parameters' sensitivity, study the temperature effects, discern the relevant parameter's errors about construction control and optimize its construction state.Secondly, as an example of Sui Fenhe cable-stayed bridge's swivel erection construction control, present the design and construction techniques of simple point supporting and even articulation and level swivel erection for long-span cable-stayed bridge, study its load-bearing system, balance system, power system and adjustment system in detail, check its static stability on the state of swivel erection construction and monitor the whole swivel erection construction.

首先，在斜拉桥施工控制经验的基础上，用桥梁结构分析程序BSAS和Dbridge对绥芬河斜拉桥进行了详细的施工仿真分析，参数敏感性分析，温度效应分析，施工控制影响参数误差分析和结构施工状态的最优化控制；其次，以绥芬河斜拉桥转体施工控制为例，介绍了大跨度斜拉桥单点平铰水平转体设计与施工技术，详细研究斜拉桥单点平铰水平转体支承系统、平衡系统、动力系统和调整系统，并对本桥结构转体施工做静力稳定性验算及转体过程的监控。

On summarizing the common methods of reinforcement and reconstruction,bring forward a series new methods of reinforcement and reconstruction -from extrados reinforcing Two-way Curved Arch Bridge,including mostly reinforcing vault and skewback critical sections,at the same time optimizing deck structure reinforcement method;only reinforcing skewbackreinforcement method;altering arched arch construction for beam-arched arch reinforcement method.and combining condition of health rating with reinforcement method,as for different quality grade to select different reinforcement method.

在总结常用加固改造方法的基础上，提出了系列新的加固改造方法—从拱背加固双曲拱桥，包括主要加强拱顶和拱脚两控制截面，同时优化桥面结构的加固方法；仅加强拱脚截面的加固方法；改拱式拱上建筑为梁拱式拱上建筑的加固方法。并把技术状况评定等级与加固方法结合起来，根据不同的质量等级选择不同的加固方法。

The construction steps in rigid-frame bridge construction are full framing erection, in-situ casting of arch rib and straining concrete beam,folding of the arch ribs into a whole arch together,installation of the minor angle block and concrete filling till the deck forms into an integrity.

钢筋混凝土刚架拱桥现浇施工工艺主要是搭设满堂拱架，现浇拱片、横系梁混凝土，使主拱先合拢成单片拱片，然后安装微弯板、再浇筑混凝土填平层及桥面形成整体。

Measures could be adopted in the design are introduced in this article by calculating and analyzing the ellipse flat arch bridge from two engineering examples and comparing the differences between two hinged arch and hingeless arch in different rise-span ratio.

结合工程实例，对椭圆轴线坦拱进行计算分析，比较了不同矢跨比情况下两铰拱、无铰拱的区别，介绍了在设计中采取的措施。

As a compress-bend structure, with increasing of the span, length slender ratio and carrying load of arch increase, lateral rigidity and width span ratio of arch ring minish relatively. During construction and service stages, lateral stability becomes more important and a control factor of arch bridge design.

拱肋作为压弯结构，随着跨径的增大，杆件的长细比及所承受的荷载也随之增大，拱圈横向刚度、宽跨比相对减小，在施工阶段及使用阶段横向稳定问题特别突出，常常成为拱桥设计的控制因素。

As a structure that is compressed and bended, with increasing of the span, length slender ratio and carrying load of arch increase, lateral rigidity and width span ratio of arch ring minish relatively. During constructing and bring to bear, lateral stability becomes especially severity and a control factor of arch bridge design.

拱作为压弯结构，随着跨径的增大，杆件的长细比及所承受的荷载也随之增大，拱圈横向刚度、宽跨比相对减小，在施工阶段及使用阶段横向稳定问题特别突出，常常成为拱桥设计的控制因素。

Combined with experience in the past,it introduces the constructing methods of slanting stone arch bridge from aspects including basement process,basic construction,pier construction,arch support and arch circle construction.

结合以往的经验，从地基处理、基础施工、墩台施工、拱架、拱圈施工等多方面就斜交石拱桥的施工方法进行了详细介绍，并通过工程实例进行了说明，可供类似工程参考。

Vegetarian and famous park are to the Vegetarian Hall, overlooking the rushing river north of Wangjiang Ting, as well as Yu the door arch, Glory shines through the arch, Green went straight step through the arch, hundred steps ladder, Wang Jiangting, great-grandmother mountain, trekking India stone, Puji Bridge, Guiyi pool attractions, is a set of artifacts to view, worship prayer, leisure and health in one place.

园内有以素食而远近闻名的斋堂，眺望滔滔北江水的望江亭，还有禹门牌坊、灵光普照牌坊、青去直步牌坊、百步梯、望江亭、太婆山、仙印石、普济桥、龟蛇池等景点，是一块集文物观赏、祭拜祈愿、休闲养生于一体的好地方。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。