因大挑臂盖梁跨线桥体积大、质量要求高，给施工带来很大困难。
Because of the big volume and high quality demands great difficulties accrue in construction.
本文从基本公式推导开始，论述了井式梁跨中最大挠度系数的计算步骤和方法。
The method and calculating procedure of maximum deflection coefficients of grillage beams are demonstrated.
以往对钢轨、轨枕及梁跨结构三者之间产生相对位移的计算模型，没有考虑轨枕位移的影响。
The rail, sleeper and beam have distinct relative displacement. In the former mechanics model, the influence of the displacement of the sleeper is not taken into account.
其次，实测单悬臂T梁跨中、四分点截面挠度横向分布与悬臂端牛腿处挠度横向分布基本接近。
The transverse distribution of load at midspan or quarter span obtained by tested deflections of beams approaches th…
并就弹性阶段，得到了试验梁跨中作用集中荷载时，弯曲挠度与剪切挠度之间的相对增长关系。
Furthermore, at the elastic stage, relationship between the bending deformation and shear deformation of test model under the inter-concentrated load was showed.
当框筒结构裙梁跨高比增大到一定程度以后，剪力滞效应就可以忽略，结构的受力性能与框架相近。
The shear lag effect in frame-tube structures can be neglected when the ratio of beams span to height increases to some degree, and its behaviors comes close to the behaviors of frame structures.
最后针对一座大跨悬索桥，计算了在竖向活载作用下材料、几何尺寸的随机性对主梁跨中位移的影响。
Finally, the mid-span deflection of a long span suspension bridge under vertical live load is analyzed when the elastic module of cable and hangers are assumed to be random correlated variables.
基于试验结果，拟合出了考虑各关键参数影响的火灾下两跨连续梁边支座反力与梁跨中变形的计算公式。
Calculation formula of side support reaction and deflection in the mid-span of beams subjected to fire were obtained by fitting curves of experimental data considering each key factor.
该仪器索赔16 ，进一步组成的第三次和第四次交叉梁连接平行的第一届和第二届跨梁，分别。
The apparatus of claim 16, further comprising third and fourth cross beams connected parallel to the first and second cross beams, respectively.
跨座式单轨PC(预应力混凝土)轨道梁桥结构具有承重、导向及稳定的作用。
Straddle type single track beam of Press Steel Concrete (PC) possess the action of bearing, orienting and stabilizing.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
The stiffening beams of the side spans are prestressed concrete box beams.
无粘结预应力混凝土扁梁楼盖在高层、大跨建筑中广泛应用。
Unbonded prestressed concrete flat beam floor is widely applied in the structures above mentioned.
在长跨梁之间的窗户，从建筑物的前部延伸到包含主要技术和通信服务的实心核。
The Windows are incorporated between long-span beams that extend from the front of the building to a solid core containing the main technical and communications services at the rear.
通过将超长的五跨连续梁根据跨度的变化分为四跨连续梁和32。
Through dividing the over-long five-span continuous beams into four-span continuous beams and 32.
因而对于大跨径箱梁桥特别是多室薄壁箱梁进行进一步的探索，是很有必要的。
So it is necessary to do some further researches in thin-walled box girder, especially in multichambered thin wall box girder.
这种抗震设计思想对高烈度地区的大跨径连续梁桥设计具有现实意义。
This idea can be used for design of large span continuous beam in strong seismic area.
本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。
The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.
对于高墩大跨梁桥，由于其日益广泛地采用高强材料和薄壁结构，因而稳定问题也就更显重要。
Two issues related to the stability of large span beam bridges with high piers are introduced and discussed in this paper.
建议一般型钢混凝土托墙转换梁的允许跨高比在抗震设防时不大于8，对非抗震设计工程，跨高比不大于10；
It is suggested that the span-depth ratio of wall-bearing transfer beam should be less than 8 in seismic design, 10 in static design for SRC structure.
跨中竖向位移远远大于其他部位位移，所以对下弦梁和拱顶跨中部位的位移要多加重视。
The displacement in the middle of the entire bridge is much heavier that other places, so it should be paid more attention.
同时，简支板梁桥又是小跨径桥梁最常用的桥型之一，因此，移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。
So the dynamic response of the plate girder bridge under moving loads are the problem which is concerned about all along, and also a project to be studied deeply.
研究结果可以为大跨径钢箱梁桥面柔性铺装设计提供理论参考。
The results can provide a theoretical base for the paving design of orthotropic steel deck.
将集约几何规划法应用在连续梁和刚架的主体优化设计中，计算了两跨连续梁和门式钢框架，均得到满意结果。
A reducible geometric programming is applied to general design of optimum continual beam and frame. Two span beam and steel door-frame are calculated and give satisfactory results.
我国公路中小型桥梁多采用简支梁和橡胶支座，为提高行车的舒适度将多跨简支梁在桥面通过桥面铺装层进行连续。
In China, medium and minor highway bridge applying simple-supported beam with continuous deck-pavement has been usually constructed in order to promote comfortability of driving car.
首先从能量原理出发，推导了斜支单跨梁内力及变形计算的一般公式。
The general formulas of internal forces and displacements of skewly supported single-span beam are deduced from the energy principle.
建立一两跨连续曲线箱梁有机玻璃试验模型。
A two-span continuous curved box girder model was made with Perspex.
利用ANSYS有限元程序对单轴对称工字形单伸臂梁和双跨连续梁整体稳定试验进行了有限元模拟。
The overall stability tests of monosymmetric I-shaped overhanging beams and two-span continuous beams are simulated by finite element program ANSYS.
以某铁路曲线多跨简支梁桥为例，讨论了考虑桩土作用的铁路曲线梁桥车桥耦合振动。
The coupled vibration analysis of rail-way simple-supported curved-girder Bridges and vehicles was discussed in this paper.
采用空间梁单元模拟高墩、大跨桥梁实际结构。
Spatial beam element is adopted to simulate large-span bridge with high-pier.
采用空间梁单元模拟高墩、大跨桥梁实际结构。
Spatial beam element is adopted to simulate large-span bridge with high-pier.
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