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.
这是中心承载的该材料简支梁达到预定偏差的温度。
This is the temperature at which a simply supported beam specimen of the material, with a centrally applied load, reaches a predefined deflection.
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.
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.
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.
传统方法是将悬跨管道简化为两端简支或者两端固支梁来处理。
Traditional methods treat each span segment as a simply-supported beam or clamped-clamped beam in practice.
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.
以简支梁为例，通过声辐射模态研究简支梁声辐射的有源控制。
With an example of simply supported beam, it is presented to active control structure-borne sound by mean of radiation modes.
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.
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.
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.
同时对预应力混凝土简支梁进行了破坏性加载试验和振动信号采集工作。
At the same time, destructiveness test by loading on simple supporting prestressing concrete beam and gathering work of the vibration signal were carried on.
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.
托墙框支梁由于存在墙梁共同工作作用的影响，框支梁的受力情况相当复杂。
Because of the influence of the wall-beam interaction, the bearing force of the frame-supported beams is very completed.
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.
用一个具有随机质量密度和截面直径的简支梁的理论结果，验证文中方法的正确性。
It is proved that the method is correct by comparing with the theoretical results of a simply-supported beam with random mass density and section diameter.
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.
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.
提出一种求解几何非线性问题的优化算法，并研究了简支梁的几何非线性大变形问题。
An optimum algorithm is proposed to solve the geometrically nonlinear problem for a simply-supported beam with large deformation.
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.
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.
将损伤力学理论与有限元法相结合，研究钢筋混凝土简支梁静载作用下的损伤破坏过程。
Failure process for the reinforced concrete free beam under static loading is formulated based on the elastic damage theory with the finite element method.
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.
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.
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.
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.
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