文中建议了考虑活动支座摩擦力影响的简支梁桥整体分析模型。
An analytic model including effects of frictional force at movable supports is suggested.
讨论了铁路多跨简支梁桥不同计算图式对横向振动分析结果的影响。
The effect of different mathematical models on lateral vibration analysis of multi-span simple beam bridge is discussed in this paper.
研究表明：对于简支梁桥的横向抗震计算，应该采用全桥模型计算；
The results show that the entire bridge model should be used in transverse seismic analysis for the simply supported girder bridge.
本文采用有限元程序分析了减(隔)震铁路简支梁桥的地震反应特点。
In this paper, a nonlinear model for time step analysis of simply supported beam Bridges subjected to earthquake motions was developed.
通过数值算例验证了体外预应力对简支梁桥振动频率和振动模态的影响。
And numerical example is adopted to explain the influence of external prestress to the vibration frequency and modality for simple beam.
采用车-桥系统模型，对影响铁路简支梁桥竖向共振的各种因素进行了分析。
In this paper, the factors to influence the vertical resonance of a simply supported girder Bridges are investigated systematically.
笔者的研究成果为硬土质基础的铁路简支梁桥的抗震安全设计，提供了重要参考。
The study provides the meaningful reference for anti-seismic safety design for railway simply supported bridge on hard-soil foundation.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
讨论了桥长、主梁横向刚度、不同计算模型等因素对简支梁桥横向地震反应的影响。
The effects of span length, lateral rigidity of girder, and different analysis model are discussed.
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.
分析了等跨布置的铁路简支梁桥在共振速度下的动力特性，及车辆运行平稳性和稳定性。
The bridge's dynamic features and train's running com fort under resonant speed of simply supported beams with equal spans are analyzed.
为提高某简支梁桥的抗震能力，采取适当的减震控制措施能够有效地减小桥梁的地震反应。
To enhance the aseismatic ability of simply supported beam bridge is an important content of earthquake prevention and disaster reduction.
文章就上海国际汽车城汽车博览公园工程的一座简支梁桥，按照景观设计的思路作了一次探讨。
Discussion has been made on landscape design for a simple supported beam bridge in Shanghai International Automobile Park Works.
简支梁桥以其桥跨外形一致、截面相同、构造布置统一的优点在高速铁路中得到了广泛的应用。
Owing to consistent bridge span forms, similar sections and unified structures, simply supported girder bridges have been widely applied in the high speed railway.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
针对现有梁轨相互作用研究主要集中于小跨度简支梁桥，而对于连续梁桥梁轨相互作用研究较少。
At present, the existing researches on interaction have mainly focused on the small span simply-supported Bridges, while there is not so much works on continuous Bridges.
梁体的峰值地震响应的规范计算值大都高于实际值，故按照规范值进行铁路简支梁桥的隔震设计偏于安全。
The seismic isolation design for the railway simple supported beam bridge according to the results calculated by design codes intends safety.
研究结果表明，基于动力模型的BP神经网络移动荷载识别方法，能够有效识别简支梁桥与连续梁桥上的移动车载；
The results show that the method of BP neural network used to identify moving force based on the dynamic model can effectively identify the moving force on the simple beams and continuous beams.
从支承形式上来看，简支转连续梁桥主要包括单支座和双支座两种主要的结构形式。
From the support forms, the simply supported-continuous bridges have mostly two main structural forms: single prop and dual prop.
分3个阶段10种荷载工况进行模型的力学性能试验，研究简支下承式钢桁结合梁桥的受力性能。
The mechanical property test of the model covering 3 stages under 10 load conditions is carried out to study the loading property of through truss composite beam with simple support.
本文介绍了预应力先简支后连续梁桥的施工方法，施工工艺，质量保证措施，施工过程中的注意要点以及体系转换问题。
This paper also introduced the construction method, construction technic, quality control measure and the construction key of the structure system change of the simple-continuous beam bridge.
跨径是影响公路简支斜梁桥地震反应的另一个重要参数。
Span is another important parameter for seismic response of skew highwaybridges.
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.
建立了直接确定简支斜梁桥荷载横向分布系数的计算模型。
A calculating model which can determine directly the load transverse distribution factors of simple supported skew beam Bridges is established.
通过实例，介绍简支梁(板)桥改造的实施方式。
It also introduces implementation of simple supported beam (slab) bridge reforming via practical instances.
目的探讨均布载荷作用下简支、连续梁桥体外力筋应力增量的简便计算方法。
Calculation method of simply supported to continuous girder bridge is analyzed and compared with load test.
主梁后浇结构层与墩顶梁端湿接头浇筑顺序以及墩顶负弯矩预应力筋张拉顺序是简支变连续梁桥施工的关键工序。
The constructing procedure of the monolithic layer and the wet joints of the girders and the orders of straining the pre-stress force are the key orders of the simply supported-continuous system.
通过对简支梁和连续梁等效荷载的分析，说明用荷载平衡方法可简化梁桥的分析和设计。
This paper discusses the equivalent load of simple supported beam and continuous beam to illustrate that the loading balance method can simple the analysis and calculation of girder beam.
最后对简支连续梁桥的设计方法和施工工艺进行了总结，对其设计和施工的有关问题提出指导建议。
At last, it made a summary about design methods and construction technology, and suggested some related problems about design and construction.
最后对简支连续梁桥的设计方法和施工工艺进行了总结，对其设计和施工的有关问题提出指导建议。
At last, it made a summary about design methods and construction technology, and suggested some related problems about design and construction.
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