本文介绍了一种实时测量桥梁挠度的方法。
A real time bridge deflection measurement method is presented in this paper.
介绍了光电成像法测量桥梁挠度系统的工作原理。
The principle of photoelectric imaging deflection measurement system are presented.
对比结果表明利用倾角仪测量桥梁挠度的结果是可靠的，精度是有保证的。
Comparison between the measurement results with QY inclinometer and photoelectric bridge deflection gauge shows that QY inclinometer is reliable and has high precision.
桥梁挠度测量是桥梁监测的重要组成部分，是桥梁进行安全性评价的一项重要指标。
Therefore, my article makes use of the QY inclinometer to measure the bridge deflection and comprises three parts.
桥梁挠度测量是桥梁检测的重要组成部分，是桥梁进行安全性评价的一项重要指标。
Bridge deflection is not only an important part for bridge inspection, but also a vital index to evaluate bridge safety.
提出了光电成像法桥梁挠度测量系统的光度学参数选择方法，以此实现桥梁挠度的长期、在线监测。
The result contributes to selecting the parameters of photoelectric imaging deflection measurement system and achieves the long online of deflection.
论文介绍了全站仪法测量桥梁挠度的原理和计算公式，并对全站仪法观测桥梁挠度变形值的测量精度进行了分析。
The theory and the formula of the deflection deformation survey with total station instrument were introduced, and the survey accuracy was analyzed.
根据桥梁挠度检测的工作特点及要求，采用线阵CCD实现对桥梁振动挠度的远距离、非接触性、动态自动化检测。
According to the characteristic and demand of the bridge vibration measurement, the linear CCD detect technology is chosen t to realize the non-contact and mobile automatic measurement.
随着道路等级的提高，桥梁设计中竖向挠度的控制显得尤为重要。
With the promotion of road grading, the control of vertical deflection in bridge design is becoming more important.
提出了一种大型桥梁结构截面挠度测量的光学方法。
An optics method for measurement of beam section deflection of major bridge structure is put forward.
挠度是评价桥梁安全性的重要指标。
Deflection is the key parameter for the evaluation of bridge safety.
分析比较不同纵向连接方式下桥梁的静力特性（如应力分布、挠度与荷载横向分布等）。
The static characteristics, such as strains and stress distribution, deflection change, cracks of the model bridge with different longitudinal connections, were analyzed and compared.
在已建设的众多预应力混凝土空心板桥梁中，存在出现混凝土裂缝、跨中挠度过大及因施工质量问题而造成废梁等问题。
Some problems such as concrete cracking, bigger deflection of span and abandoned beams caused by construction quality have appeared in the completed prestressed concrete voided slab Bridges.
该方法无需共轴光路的测量环境要求，特别适用于桥梁、高速公路立交桥的静载挠度测量等工程应用。
It demands no circumstance requirements in common optical axis and is especially effective in flexibility measurement of bridge and cloverleaf junction.
静载试验结果表明，应用粘贴碳纤维加固技术可提高桥梁的强度和使用寿命，降低其应力和挠度。
Experimental results show that, by pasting CFRP for reinforcement, the service life of the bridge as well as its strength can be raised while its stress and deflection can be reduced.
这是第一次将“挠度共振”现象与神经网络相结合运用到桥梁检测系统中。
This is the first time to integrate the "deflection resonance" phenomenon with the neural network in the bridge detection system.
以惯性测量原理，用地震式低频振动传感器测量桥梁动挠度。
An inertial measurement method for bridge dynamic deflection with seismic low frequency vibration transducers was promoted.
探讨了碳绞线体外预应力混凝土桥梁的结构特点和构造措施，以及该类桥梁中挠度、延性及抗弯、抗剪的计算分析方法。
The structural properties of concrete bridge externally prestressed with CFCC, and the analysis methods of deflection, ductility, bending and shear design of the bridge are discussed.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
为了验证微挠度桥梁实现的可能性，作者设计微挠度简支梁模型并实现了上述的控制思路。
To illustrate the idea of such a smart prestressing system, a model with the self-adapted function is designed and tested, in which the simply supported girder bridge is applied.
在混凝土徐变的研究基础上，运用混凝土的徐变产生机理，研究徐变对桥梁结构挠度和内力的影响。
Based on the research of concrete creep and using the mechanism of concrete creep, the impact of creep of concrete bridge linearity and internal force is studied in this paper.
对于连续钢构桥等类型的桥梁，挠度数据能有效反映桥梁中存在的损伤。
For Bridges like rigid frame bridge, the deflection data can reflect bridge damage effectively.
分析结果表明利用优化后有限元模型求出的挠度值和应变值与实测值基本一致，优化后的有限元模型能更好的反映桥梁的实际力学状况。
The result shows that the strains and deflections on the basis of the updating model are accurate and reliable. It tells us that the updating model can reflect the actual situation of the arch bridge.
通过算例，揭示了简支型桥梁在随机车流作用下挠度响应的方差与车速、车距之间的关系。
The relation of deflection variance, vehicle speed and distance between two cars is revealed in example. This paper provides theoretical basi…
桥面铺装能有效改善桥梁的变形形状，一方面减小主梁挠度，使得挠度分布更加均匀，挠度变化曲线平缓。
The deck pavement can effectively improve the deformation properties, one hand is to reduce girder deflection, to make the deflection distribution more uniform and the deflection change curve gently.
桥面铺装能有效改善桥梁的变形形状，一方面减小主梁挠度，使得挠度分布更加均匀，挠度变化曲线平缓。
The deck pavement can effectively improve the deformation properties, one hand is to reduce girder deflection, to make the deflection distribution more uniform and the deflection change curve gently.
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