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.
因此，桥梁上部采用先简支后连续梁结构越来越多。
Therefore, the upper bridge with simply supported continuous beam structure more and more.
研究了简支梁在两个激振力作用下的组合谐波响应。
The combination resonance of a simple supported beam under two excitation forces was studied.
以四边简支和平夹的正方形板为例进行了计算和分析。
For example, a square plate with four edges simply supported and clamped have been calculated and analyzed.
并用此方法讨论了简支梁和悬臂梁的塑性动力响应问题。
In this way, the response of simply supported beams and cantilever beams is discussed.
本文以均匀粘弹性简支梁作为梁形柔性基础的力学模型。
The viscoelastic simple beam is taken as the mechanical model of flexible foundation with beam-wise.
简支钢混凝土组合梁的承载力是组合梁最重要的性能之一。
The bearing capacity is one of the most important performances for the steel and concrete composite beams.
本文研究由于大挠度引起的曲率非线性对简支梁振动的影响。
We investigate the effect of nonlinear curvature on vibrations of an elastic simple supported beam and roller with large deflection.
同时对部分预应力简支梁与全预应力简支梁作了经济比较和分析。
Economical comparison and analysis are also conducted between partial prestressed and full prestressed simple-supported girders.
“先简支后连续”体系梁在公路及市政桥梁建设中得到广泛应用。
The "First Simply Supported Then Continuously Supported" system girder is widely applied in road and urban bridge construction.
压缩钢板构造的PC梁，就是在以往的简支pc梁弯压区内配置钢板。
Compression steel plate structure PC beam, is to place steel plate in bending area of bygone PC beam.
介绍了简支结构变连续体系在墩顶处施加纵向体外预应力的施工方法。
The paper introduces longitudinal construction method externally prestressed at pier's top when simply-supported structure turns to continuous hierarchy.
在此基础上，以简支矩形截面钢梁损伤识别为例，进行了实例应用研究。
On this foundation, one simple supported rectangle steel beam model is presented as calculated example for the above-mentioned method application.
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.
对于线性荷载作用下外简支环板，引入统一强度理论，进行了极限荷载分析。
For simply supported annular plate under linear load, the limit load analysis was investigated by applying unified strength theory.
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.
最后以一简支钢筋混凝土桥梁为例，证明了该方法的有效性、实用性和稳定性。
The validity, the practicability and the stability of the method were demonstrated by a simply supported reinforced concrete bridge as an example.
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.
通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through the test of model beam, we build the relationship between characteristics of vibration with attached load and its damaged mode.
用有限元法和能量变分法对预应力活性粉末混凝土简支箱梁的剪力滞效应进行研究。
The shear-lag effect on the prestressed RPC simply-supported box girder is studied by FEA method and energy variation method.
发现板在两端简支、中点联结松动时，结构首先出现屈曲失稳，而不会发生颤振失稳。
For pined_pined, loosed midpoint support plate, it is found that the plate's buckling instability will happen first while the flutter instability will disappear.
通过对常用支撑结构的力学分析与性能对比，选用简支梁作为压力传感器敏感变形机构。
After analyzing and comparing the performance of normal bracing structures in mechanics, we use a freely supported beam for sensing deforming structure.
分析桥梁横向连接方式，通过荷载横向分布系数的计算，确定简支梁板桥改造加宽形式。
This paper analyzes lateral connection method of bridge, confirms widening and reforming method for simple supported beam (slab) bridge via calculating lateral load distribution coefficient.
论文的另一部分重要工作是9根钢绞线网-聚合砂浆加固混凝土简支梁的粘结锚固试验。
Another important part of work is having a research on the bond anchorage experiment of 9 strengthened beams with high-strength steel wire mesh.
本文介绍我国一种新型单梁简支空中横移梁式铁路架桥机的总体结构设计及其结构荷载试验。
This paper describes general structure design and structure load test of girder type railway bridge erecting machine with single simple supported beam and overhead transversely travelling trolley.
研究结果表明：1）等效移动集中力作用下，简支梁的动力响应由稳态响应和瞬态响应组成。
The results are shown that: 1) under an equivalent moving concentrated force, dynamic responses of the simply supported beam consist of steady response and transient response.
本文在混凝土简支梁横向稳定性分析的基础上，提出了橡胶支座上梁体横向稳定性的理论计算方法。
This paper presents theoretical calculation method for lateral stability of beam body on rubber seat, based on the analysis of lateral stability of concrete simple-supported beam.
为了得到闭口型压型钢板-混凝土组合板的受弯性能，进行了4块闭口型压型钢板简支组合板的试验。
In order to investigate the bending behavior of the composite slabs with closed profiled sheeting and concrete, experiments are conducted on 4 simply supported composite slabs.
系统中的墙壁(垂直)和屋顶以及楼面横隔(水平)的一般都是简支，协调工作以抵抗横向和纵向荷载。
System of walls (vertical) and roof and floor diaphragms (horizontal) that are generally simply supported and work together to support both vertical and horizontal loads.
系统中的墙壁(垂直)和屋顶以及楼面横隔(水平)的一般都是简支，协调工作以抵抗横向和纵向荷载。
System of walls (vertical) and roof and floor diaphragms (horizontal) that are generally simply supported and work together to support both vertical and horizontal loads.
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