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.
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.
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.
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.
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.
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.
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