阐述了作用于PC轨道梁桥结构上的荷载，曲线pc轨道梁的内力计算，预应力计算，应力计算及组合。
The article have expounded the load acting on PC single track beam, and the calculation of curved PC single track beam including force, prestress and the stress etc.
其次，研究了预应力混凝土曲线梁桥中预应力钢束对曲线梁桥扭矩的影响。
Secondly, I have researched the influence of prestressed reinforcement on the torsion of curved girder bridges.
本文主要针对预应力混凝土曲线梁桥抗扭设计中的相关问题进行了分析计算。
This article mainly aimed at analyzing and calculating some problems related to the torsion design of curved prestressed concrete girder Bridges.
曲线箱形梁桥是空间复杂受力的结构体系，预应力效应一方面能提高构件的承载能力，另一方面也可能对结构带来一些不利的影响。
Curved box girder bridge is a complicated spatial structural system. The effect of prestressing may improve the bearing capacity of the members, but may also adversely affect the structure.
通过曲线箱梁桥与直线箱梁桥的对比，模拟计算并着重分析了施工阶段自重、预应力等因素对曲线箱梁桥悬浇时应力的影响。
By contrasting curved bridge and straight bridge, influence of dead load and prestressing force on the stress in cantilever casting period of curved Bridges is analyzed.
预应力混凝土连续曲线箱梁桥应用日益广泛，已经成为现代交通基础设施的重要桥型。
It is the wide application of P. C. continuous curved box-girder bridge which has become an important bridge style in the transportation infrastructure.
介绍大跨度不对称曲线预应力混凝土连续梁桥的设计和成桥后的静、动载试验。
In this paper, the design of the long span asymmetric prestressed concrete curved continuous girder bridge, and static and dynamic load tests for the completed bridge are described.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
最后介绍了预应力混凝土连续曲线箱梁桥的设计，重点讨论了总体设计，钢束预应力的损失的计算，预设支座偏心调整扭矩等设计中的关键问题。
Lastly design of P. C. continuous curved girder bridge is discussed in the paper, in especial prestress reinforcing steel bar's loss and bearing design.
曲线梁桥还是有很多问题有待解决，预应力的损失就是其中较为典型和突出的问题。
There are still many issues to be resolved on curved girder bridge, one of them is loss of prestress which is much more typical and outstanding.
由微分几何基本公式导得圆弧曲线梁中预应力等代荷载的精确公式，预应力钢索在曲梁中竖弯与平弯均较平缓，此时公式可得以简化。
A precise formula for equivalent load of prestressing force in curved girder of arc form is derived from the fundamental formulae of differential geometry.
现有有限元数值分析方法在单元划分时，要求预应力钢筋单元与混凝土单元节点必须重合，这对曲线布束的箱梁很难满足这一要求。
Generated a finite element mesh in existence numerical method, node superposition of concrete and reinforcement element is difficult to curved tendon box girder.
阐述了作用于PC轨道梁桥结构上的荷载，曲线PC轨道梁的内力计算，预应力计算，应力计算及组合。
The article have expounded the load acting on PC single-track beain, and the calculation of curved PC single-track beam including force, prestress and the stress etc.
在次梁与板中为有效利用无粘结预应力筋，建议在板厚许可的情况下尽量采用曲线形预应力筋。
Some effective measures were presented to solve bigger prestress loss of mid span in overlong frame and it is suggested that prestressed reinforcement with curve linetype …
本文提出了预应力曲线连续梁桥的数值分析方法。
本文提出了预应力曲线连续梁桥的数值分析方法。
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