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- He has settled here for a long span of time. 他已经在这儿定居很长一段时间了。
- A case study for Nanning Bridge, the first long span unsymmetrical extroversion arch bridge with curve beam in the world is given. 利用几何方法推导了空间钢箱拱肋节段拼装误差在拱肋最大悬臂端的累积规律。
- 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。
- In the paper, a method for spatial vibration analysis of the system of train and long span steel trussed cable-stayed bridge is presented. 摘要本文提出了一种分析列车、大跨度钢桁梁斜拉桥系统空间振动的方法。
- For deceasing load and increasing the span, the orthotropic steel deck is generally applied for the long span steel bridge. 为了减小桥梁自重和增大跨径,大多数钢桥的桥面板一般采用正交异性钢桥面板。
- Stability analysis of a long span arch bridge during construction is based on considering the structural behavior for an incompleted bridge on variable construction loads. 大跨度拱桥在施工过程中的稳定性计算,是以施工期间变化着的不完整结构在不断改变的工作荷载下的分析为依据的。
- 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。
- Seeing the Tzu Chi volunteers are here to help, local villagers come to offer their services to build a wider and more stable bridge for blind and infirm Mrs Thong Suk. 看见慈济人无私的付出,附近的村民也来帮忙,为眼盲行动不方便的通素阿嬷建造一座比较宽、较稳固的水泥桥。
- Seismic traveling wave effect can severely influence the seismic responses of un-control, semi-active control and active control of long span rigid-continuous bridge in lognitudinal and transverse direction. 地震行波效应会对大跨刚构-连续桥梁纵桥向与横桥向的无控制、半主动控制和主动控制地震反应产生严重影响,它对桥梁的主梁和桥墩均会产生不利影响,而不是只对主梁产生不利影响。
- Abstract: Combining the engineering practice of Xiayingzi Railway Frame Overpass in Huainan, the paper describes the details of the technical characteristics and construction technology of long span skew frame bridge. 文摘:结合淮南夏郢孜框架式铁路立交桥的工程实践,对大跨度斜交框架施工技术特点及施工工艺进行了较详细的总结。
- By discussing the problems involved in the dynamic analysis and design of Yonghe Bridge in Tianjing, the main points and the general procedure of dynamic analysis for a long span cable-stayed bridge is presented in this paper. 本文通过天津永和大桥方案论证,技术设计与施工过程中动力分析实践,反映我国大跨度斜张桥动力分析的重点和做法。
- The detailed process of model updating and validating is discussed in terms of reduced scale specimen of the steel box girder in longitudinal stiffening truss of a long span bridge. 以实验室的大跨桥梁结构钢箱梁纵向加劲桁架缩尺试样为研究平台,具体讨论了多尺度模型修正和验证的实施过程。
- Based on plane beam element model, the local space shell element model is put forward and applied to calculating and analyzing a long span, prestressed concrete, slant legged rigid frame bridge. 提出了一种基于平面模型的局部空间壳单元模型计算方法,并应用通用有限元软件对一大跨度预应力混凝土斜腿刚构桥进行了计算分析。
- The main features of the FRF of long span Runyang Bridge, which has 1 024 dimensions, can be extracted by 27 or 17 principal components, and the reconstruction error is acceptable. 对于大跨斜拉桥(润扬长江大桥北汉斜拉桥)的1024维频响函数可以仅用27个(或17个)主元来提取其主要特征,精度可满足工程需要。
- The construction method for the prestressed girder with super long span is briefly introduced in this article. 文章简要介绍了该工程超长大跨度预应力大梁的施工方法。
- Concrete truss with long span is used in the project of literature center in Guangzhou. 本文对该大跨度桁架结构进行了罕遇地震作用下的静力弹塑性分析。
- One of the major causes leading to the deteriorations like the deflection and cracking of current long span prestressed concrete (PC) beam bridge is the underestimation of prestressing loss. 摘要预应力损失估计不足是目前大跨度预应力混凝土梁桥出现下挠、开裂等病害的主要原因之一。
- An analysis of special features about long span arch bridge construction is given at first, and then, error cumulating formula is deduced based on geometry method for such arch rib. 摘要分析了大跨径拱桥空间钢箱拱肋的施工特点。
- The analysis was based on broad, detailed, real-time data collection from a collaborative research team existing over a long span. 数据分析基于一个长期合作研究小组的广泛、详细、适时数据收集。