查询词典 forward bridge

Secondly, this paper based on the highway bridge of huanghe in sanmenxia, it educed the method of controlling by flexibility and stress through analysing the reason of some bridge disease. Through all of above ,it set up the model of scathe,so it can be right to analyse the reinforce bearing external presttessing.

其次，结合三门峡黄河公路大桥加固工程，在病害原因分析的基础上，提出了挠度、应力双控拟合方法，以此建立结构加固前的损伤模型，再对其施加体外预应力进行加固结构计算分析。

Firstly, the development and basic theory of CFST arch bridge are introduced briefly. Considering the fact of the Yellow River Bridge, the construction schemes of hanging segmentally by long span and great tonnage cable crane, fixing by inclined cable, once pouring to the arch top symmetrically along the whole rib, are adapted.

简要介绍了钢管混凝土拱桥的发展和基本理论，针对兰州雁盐黄河大桥的实际情况制定了采用大跨、大吨位缆索吊机分段吊装，斜拉扣挂固定，整条拱肋对称一次压注到顶的总体施工方案。

The paper adopts the new type of structure of box ribbed arch bridge with 120m clear span and its calculating results which provide reference for design of simular bridge .

介绍采用新规范设计净跨径120m箱型肋拱桥的结构和计算结果，以便为采用新规范设计同类桥梁提供参考。

Through the assimilating and analyzing the construction materials and the design of reinforced concrete arch bridges with long span from both domestic and abroad, the thesis studies the effect of the arch axis geometry, rise-span ratio, arch ring section and spandrel structures, as well as the ultimate bearing capacity and stability of the entire bridge on the design of reinforced concrete arch bridge. In addition, in consideration of construction, the thesis also studies the applicability of different construction methods such as cable crane system, stiffened skeleton system, swing construction system and cantilever construction system and correspoindingly economica spans and their applications of the reinforced concrete arch bridges.

本论文通过对国内外大跨径钢筋混凝土拱桥的设计、施工资料的收集及其出现问题的分析，从设计角度研究了拱轴线形、矢跨比、拱圈截面及拱上构造、全桥极限承载能力及稳定性对钢筋混凝土拱桥设计的影响；从施工角度研究了缆索吊装法、劲性骨架法、转体施工法、悬臂施工法等不同施工方法的钢筋混凝土拱桥的经济适用跨径及其适用条件。

Analysing the changing discipline, it obtains some characteristics of load transverse distribution of skew girder bridge. It has some certain reference value to the research and design of the skew girder bridge.

通过对荷载横向分布变化规律的分析，得到了斜梁桥荷载横向分布的一些特点，这对斜梁桥的研究和设计有一定的参考价值。

To solve these problems, assembled skew girder bridge has been simulated used general finite element software ANSYS. Through computation and analysis, the paper discusses the effects of different skew angle and span on load transverse distribution of skew girder bridge, and obtains the changing discipline of the automobile load transverse distribution in different situation.

针对这些问题，本文借助于通用有限元软件ANSYS，对装配式斜梁桥进行模拟，通过计算分析，对在不同跨度和斜度影响下的斜梁桥荷载横向分布进行探讨，并得到了不同情况下汽车荷载横向分布变化规律。

The loading program, by which the load can be directly applied to the internal force influence surface, is generated and used to get the result of loading on the influence surface. Through comparing the result of loading on the internal force influence surface of assembly skew hollow slab bridge with the one of the perpendicular bridge, the reduction factor method is offered and its corresponding reduction factor can be obtained.

编制了内力影响面加载程序实现对内力影响面的直接加载；在此基础上，通过参数分析，对比装配式正交空心板桥和斜交空心板桥内力影响面加载的结果，提出斜交空心板桥设计计算的折减系数法，并给出相应的折减系数。

Follow district green shade in lake encircle, the landscape spring onion 茏, draw the bridge smoke, cloud tree cage yarn, of the mountain of 逶迤s, LIN2 QUAN2 is pretty, the mountain brook is profound.More than 90 places each park,beauty spot that have special features in, there is three seasons laurel son,six bridge smokes,nine in cloud is loose,ten in lotus flower, have"West Lake ten views" of the 著 more and set up one after another in recent years open of the new beauty spot of each of more than ten placeses special features, will connect 缀 to become a color rich in hues heavy garland West Lake, make its spring summer autumn the winter is each to have landscape, the 晴 rain breeze snow is each to have feeling with the result that.

沿湖地带绿荫环抱，山色葱茏，画桥烟柳，云树笼纱，逶迤群山之间，林泉秀美，溪涧幽深。90多处各具特色的公园、风景点中，有三秋桂子、六桥烟柳、九里云松、十里荷花，更有著名的"西湖十景"以及近年来相继建成开放的十多处各具特色的新景点，将西湖连缀成了色彩斑斓的大花环，使其春夏秋冬各有景色，晴雨风雪各有情致。

The bridge closest to MIT is the Harvard Bridge, which is marked off in a non-standard unit of length – the smoot.

最靠近麻省理工学院的桥是哈佛桥，这座桥以与众不同的是非标准长度单位——斯穆特而闻名。

20 Output smoothing In a practical circuit, when a capacitor is directly connected to the output of a bridge, the bridge diodes must be sized to withstand the current surge that occurs when the power is turned on at the peak of the AC voltage and the capacitor is fully discharged .

在实际电路中，当一个电容器直接连接到桥式整流器的输出端时，桥式结构中的二极管必须能够承受交流电压峰值时开启电源和电容完全放电所产生的电流浪涌。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。