桥梁工程

Road engineering ; modified asphalt ; experimental research ; bridge expansion joint ; low temperature performance

道路工程；改性沥青；试验研究；桥梁伸缩缝；低温性能

In this paper, a method which is used to calculate the confined expansivity and selfstressing of the core concrete and the ringdirection stress in the steel tube by measuring the free expansivity of concrete was proposed.

钢管混凝土充分利用了混凝土的抗压强度和钢材的抗拉强度，是一种良好的组合结构材料，因而被广泛地应用于桥梁结构工程之中[1～3]。

The non-stationary index of automobiles\' supporting force response under side wind is analyzed, which confirms the reasonableness of stationary assumption in dynamic reliability analysis.Thirdly, joint distribution of wind speed and wind direction is established based on the extensive extreme value distribution, which is used for reliability analysis of bridge traffic safety.

其次提供了Fourier变换识别抖振响应频谱失真的实例，采用Hilbert-Huang变换分析桥梁抖振响应的时频特性，从结构动力学角度探讨了响应非平稳性的原因，从风工程的角度探讨HHT变换分量的物理意义，并分析侧风作用下桥上汽车支撑力响应的非平稳指标，为动力可靠度分析中平稳性假定的合理性提供必要的论证。

To get an exact solution of the forced vibration of the beam bridge under the load of moving vehicles is difficult in the engineering design.

桥梁在移动车辆荷载作用下的振动分析是工程设计中有待进一步解决的问题之一。

So it is significative and valuable to research and discuss structure behavior and calculate method of multi-box girder bridges.

因此，研究和探讨这类桥梁的受力行为和设计计算方法具有重要的理论意义和工程实用价值。

Bridges are the hinges of traffic system,playing an important role in national economic and society.

桥梁是交通运输体系的枢纽工程，在国民经济和社会生活中起着举足轻重的作用。

The law of sand incipience is the connection of microcosmic mechanism research on wind-blown-sand two phase flow and macrocosmic engineering application.

沙粒起动规律是联系风沙运动微观机理研究和宏观工程应用的桥梁。

In the conference of IABSE held in 1991 at Leningrad, 153 papers of this area were published.

国际桥梁和结构工程协会在1991年于列宁格勒会议上汇总了这一领域的153篇文章。

This position will provide a key interface between the customer (Molder/Tier I/OEM), sales and product development, to develop Celanese's engineering thermoplastics business in China.

提供技术支持和应用发展支持，作为客户、销售人员和产品开发部门的重要桥梁，开拓塞拉尼斯工程塑料产品在中国国内的商务工作。

Such as vehicle, offing building structure and bridge.

如车辆、近海工程结构、桥梁的焊接等。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。