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- great span bridges 大跨度桥梁
- In recent decade, more and more long span bridges are constructed with the rapid development of infrastructural investment. 随着我国交通事业的迅猛发展,近十年来大跨径桥梁的建设也进入了高峰时期。
- Finally, the effects of geometrical nonlinearity, material nonlinearity and static wind load nonlinearity on the aerostatic stability for long span bridges are analyzed. 最后 ,以一座主跨 10 0 0米的斜拉桥为例 ,分析了结构几何非线性、材料非线性和静风荷载非线性对大跨径桥梁空气静力稳定性的影响。
- In the bridge-construct, middling and small span bridges are the majority.How to design well and truly, fleetly, economically and rationally is the designer’s desired goal. 其中,在桥梁的建设中,中小跨径的梁桥在数量、规模上都占了多数,如何准确、快速、经济、合理地进行桥梁结构设计已经成为广大设计人员孜孜以求的目标。
- The refinement of buffeting analysis for long span bridges in the frequency domain based on parameters obtained from field measurement systems and wind tunnel experiments is the object of this thesis. 本文通过昂船洲桥桥址风场实测及相应风洞试验获取了抖振响应分析参数,并在此基础上建立和发展了大跨度桥梁精细化频域抖振分析方法。
- Concrete rigid frame arch bridge is a kind of very useful medium span bridge. 混凝土刚架拱桥是一种非常实用的中等跨径桥梁结构形式。
- The Highveld contains the greatest span of remaining grassland in southern Africa. 这片高原是南非草场中储备量最充足的草原。
- Great Span Hollow Ceiling Research 大跨度现浇空心楼盖的研究和工程应用
- Great span spatial structure technique 大跨空间结构技术
- An intense storm cloud forms over South Africa's Highveld. The Highveld contains the greatest span of remaining grassland in southern Africa. 一股强暴风云在南非高原的上空形成。在这片高原上的,是南非现存最广阔的草原。
- Firstly,several methods of aerostatics stability analysis for long span bridge are reviewed and compared. 首先对几种主要的大跨径桥梁静风稳定性分析方法进行了回顾与比较 ,并就其中的不足之处进行了简要的说明 ,进而针对不足之处提出了一种改进方法。
- With the development of earthquake protective system, the aseismic ability of long span bridge could be enhanced. 随着地震结构保护系统的发展,大跨度桥梁的抗震能力可以得到进一步的加强。
- He is a great guy, a chip off the old block. 他是一位好人,就像他父亲一样。
- The poem showed great intensity of feeling. 这篇韵文表现出强烈的激情。
- The oversize span bridge usually adopts the suspension bridge as intensity of the steel wire, which makes materials, can perform well so as to enlarge the span. 超大跨径桥梁之一般采用悬挂结构,由于拉索的高强钢丝极限强度高,承受直接拉应力大,材料可完全发挥作用,因而跨径能增大。
- The structural health monitoring and damage detection for long span bridge structure are mainly based on the modal analysis, and the method has inherent defects. 摘要当前大型桥梁在线健康监测与损伤识别中主要采用基于结构模态参数的方法,该类方法存在固有缺陷。
- There is a "321" phenomenon, namely three historical possibilities, two great spans and a fatal counterturn, starting from the disintegration of agricultural community in modern Russia. 摘要从俄国村社解体开始,俄国近现代历史出现了三种历史可能性、两次大跨越和一次大逆转的复杂局面,即"321"现象。"
- Modal Test of Long Span Bridges Based on Ambient Excitation 基于环境激励的大跨度桥梁模态试验
- A man of great ability like him will eventually reach the top. 像他这样才能出众的人终究会升到最上层的。
- His two great interests in life are music and painting. 音乐和绘画是他生活中的两大嗜好。