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跨结构
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  cross structure
     The main span power structure analysis calculates A,B,C three cross structure plane,outside the rigidity approaches,loses the steady modality to the 1st step to solve the critical load proportionality factor computed result to be bigger than 5 for the stability coefficient,the structure has a kind to lose the steady possibility to be small,and the spatial stability also meets the demands.
     主桥动力结构分析计算A,B,C三跨结构面内、外刚度接近,对第1阶失稳模态求解临界荷载比例因子计算结果为稳定系数均大于5,结构发生一类失稳的可能性较小,空间稳定性亦满足要求.
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  “跨结构”译为未确定词的双语例句
     During the transient dynamic analysis of Qingchuan Bridge, the tune history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal factors of the structure are intensively analyzed.
     在晴川桥的瞬态动力分析中,模拟分析了当移动荷载以不同速度通过桥面时的时间历程动力响应以及在冲击荷载作用下桥跨结构的时间历程动力响应,并对桥跨结构在移动荷载和冲击荷载作用下的动力放大系数作了较为详细的分析。
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     Then take a big span structure for example, analyzing two means—direct truss and cascade truss to realize span integra structure.
     以拟建的大跨结构为例,运用有限元方法分析了无比钢结构实现大跨结构的两种方法:直接法、层叠桁架法,并分析了两种方法的经济性;
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     The test results indicate that the structure has enough stiffness and strength .
     试验结果表明桥跨结构受力合理,具有良好的刚度与强度。
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     During the transient dynamicanalysis of Pubugou CFST arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed.
     在瀑布沟大桥的瞬态动力分析中,模拟分析了当移动荷载以不同速度通过桥面时的时间历程动力响应以及在冲击荷载作用下桥跨结构的时间历程动力响应,并对桥跨结构在移动荷载和冲击荷载作用下的动力放大系数作了较为详细的分析。
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     Through the dynamic analysis, it can reveal the structure inner force and deformation under the effect of vehicles more truly and figure the structure response caused by earthquake action.
     通过动力分析能更真实地揭示斜拉桥桥跨结构在汽车车辆荷载作用下的受力与变形状况,并能够描述桥跨结构在地震作用下的结构响应。
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     (5) large span structures;
     ⑤大结构
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     Using AFS algebra and AFS structure, any human ordinary fuzzy concept can be represented.
     结构
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     Compared the actuality of the structure of th
     *; 结构;
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     Synthetic Monitoring System for Long-Span Cable-Stayed Bridge
     大斜拉桥结构的综合监测
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  cross structure
The polyacid is perdeuterated and the contrast variation method enables us to measure separately the structure factor of each component in the complex and the cross structure factor as a function of the pH and the temperature.
      
We examine the cross structure of the sub-arctic frontal zone in the central Pacific using data obtained during the fifth cruise of theRV Akademik M.
      
Figure 3 shows a SEM image of a cross structure and an AFM image of part of the cross.
      
Layout of four point probe greek cross structure of dimensions 50 x 50 and 100 x 100 m for both substrate and metal gate resistivity calculation.
      
The whole analysis of the tailplane cross structure was performed using the worst loading combination of longitudinal and lateral manoeuvres.
      


In structure-foundation-soil interaction analyses, it is very important to consider the structure stiffness with reasonable accuracy and to choose the appropriate model for the foundation soil. In this paper detailed studies of the mechanism of framed structure-foundation-soil interaction, as well as analyses of multi-storied, multi-span structures are given and comparisons are made with previous investigations from foreign literatures quoted. For the non-linear stress-strain analysis, the hyperbolic stress-strain...

In structure-foundation-soil interaction analyses, it is very important to consider the structure stiffness with reasonable accuracy and to choose the appropriate model for the foundation soil. In this paper detailed studies of the mechanism of framed structure-foundation-soil interaction, as well as analyses of multi-storied, multi-span structures are given and comparisons are made with previous investigations from foreign literatures quoted. For the non-linear stress-strain analysis, the hyperbolic stress-strain relationship of Duncan-Chang model has been chosen. The triaxial tests were run on representative Shanghai soil samples to determine the soil parameters and finally, analysis of a multi-storied, multi-span structure with its foundation supported on such non-linear soil has been worked out with promising results.

在上部结构与地基基础的共同作用分析中,如何正确估计上部结构的刚度和选择合理的地基模型是很重要的。本文就框架结构、基础、地基三个组成部分之间的共同作用机理进行了详细的探讨。对多层多跨结构与地基的共同作用进行了全面的分析,并与国外相应的研究成果作了对比。本文还选用邓肯一张非线性模型,测定了上海各典型上层的计算参数,进行了多层多跨结构与非线性地基的共同作用的初步分析,取得了一些有益的结果。

Bridges when subjected to longitudinal forces caused by trains are actually stactieally indeterminate structures. The longitudinal forces acting on railtops are jointly borne by rails, piers and abutments. But in the design of simple beam bridge piers and abutments, generally the monolithic action of the bridges is not taken into account, and the longitudinal forces distributed on piers and abutments are determined by methods used for statically determinate structures. However, such calculations, as have been...

Bridges when subjected to longitudinal forces caused by trains are actually stactieally indeterminate structures. The longitudinal forces acting on railtops are jointly borne by rails, piers and abutments. But in the design of simple beam bridge piers and abutments, generally the monolithic action of the bridges is not taken into account, and the longitudinal forces distributed on piers and abutments are determined by methods used for statically determinate structures. However, such calculations, as have been proved by tests made both at home and abroad, are not in line with the actual conditions.In this paper, two methods are briefly described to calculate the above mentioned longiudinal forces on the conception that the whole bridge is monolithically stressed. Comparisons are made between theoretical calculations and data obtained from actual measurements. The results show the two match with each other both in numerical values and regular patterns. Finally, some suggestions concerning the research works on this problems are presented.

跨结构物在承受列车纵向水平力时,事实上是一个静不定体系。作用于轨面上的列车纵向水平力,由轨道、桥台和桥墩共同承受。但在简支梁桥墩台设计中,一般均不考虑桥跨结构物的整体作用,而采用静定的办法决定桥墩台纵向水平力。国内外的试验证明,这种计算办法往往与实际不符。本文简要地介绍两种按全桥整体受力计算桥墩台纵向水平力的方法,并应用理论计算方法和实测资料进行对比计算。结果表明,理论计算方法在量值和规律方面都能与实测资料相吻合。最后对此问题研究方向提出了几点建议。

While the ratio between the width and the span of the girder bridge is less than 0.5

在桥宽与跨径之比小于0.5的桥跨结构中,一般认为桥梁横向挠曲线呈直线关系,则偏心受压法(或称刚性横梁法)得到广泛的应用。如果再考虑到主梁的弯扭藉合,则可推导出不同的偏心受压修正公式。理论与试验均证阴,横隔梁抗弯刚度远非绝对刚性,既使B/l≤0.5横向挠度也呈曲线(这里基本假定按两次抛物线变化规律)。而且在一般钢筋混凝土或预应力混凝土粱式桥中多采用T型或不对称I字型截面,梁自身抗扭能力不大相对于弯曲而言可以忽略不计,故可以不去考虑由于扭矩的修正。本文假定横向挠曲线,无论荷载作用位置如何均假定按二次抛物线变化规律,利用能量法及虚位移原理推导出偏心受压的修正公式(这里修正非直线的横向挠曲线的影响)。这将不仅适用于B/l≤0.5而且对于B/l≤1也可以采用,这样就扩大了修正式的适用范围,而代替计算较繁复的GM法及刚性梁法,而达到简单而实用的目的。

 
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