这使风对桥梁的作用愈加明显,风荷载已经成为现代桥梁设计的控制荷载之一。
Wind load has been one of the control loads in the design of modern bridge.
本文通过建立直线电机列车—桥梁体系动力分析模型,对直线感应电机列车作用下桥梁和车辆的动力响应进行了分析。
In this paper, by establishing a dynamic analysis model of LIM train-bridge system, the analysis on the responses of bridge and cars under the action of running train was conducted.
体育经纪人作为体育市场的中介与桥梁,对活跃体育市场、开发体育商业价值起着重要的作用。
As a medium and bridge in sports market, sports brokers play an important role in activating sports market and exploring sports business value.
文章简述了桥梁支座的作用、类型,并对支座的施工安装方法、支座使用过程中应注意的事项等进行了探讨。
The article introduces the bridge abutments function and types, and discusses abutment construction and installation measures and the attentions during the usage.
通过对各种参数的比较,研究地震作用下组合结构桥梁的抗震潜力及抗震性能。
By comparison of various parameters, this paper is focused on study the seismic potential and seismic performance for composite bridge.
对桥梁等大型土建结构在外扰作用下的振动实施控制是目前的一个研究热点,也是提高结构安全性与耐久性的一条重要途径。
The vibration control of civil structures such as Bridges induced by the external excitation is a new area of research, and also an important way to improve the safety and durability of the structure.
一方面,移动车辆对桥梁的动力冲击作用对桥梁的工作状态和使用寿命产生直接影响。
On the one hand, the dynamic impacting action of moving vehicles to the bridge influences the working state and the using longevity of the bridge in direct.
运用力学概念以及桥梁结构所受的温度作用,指出桥面铺装对结构温度作用的影响。
Using the mechanics concept and the temperature effect of bridge structure, the author pointed out the influence of deck pavement to structure temperature effect.
比较控制试验与敏感性试验模拟的SST变率,揭示了热带某海盆sst异常通过风应力桥梁作用对其他海盆sst的影响及其过程。
The difference between the control and sensitivity runs indicates effect of the SST anomaly (SSTA) in a specific oceanic basin on the other basin through the wind-stress bridge.
MES可实现企业生产活动与经营活动的有效集成,具有优化运行、优化控制与优化管理的桥梁和纽带作用,是对ERP的有力补充。
MES can realize the efficient integration of the production and operation, have connecting action optimizing running, controlling and management, is the powerful complementarities for ERP.
对非量测用摄影机所摄影像的解析处理,控制点起着不可缺少的桥梁作用,控制点的数量和分布形式将直接影响平差结果的可靠性和精度。
In the data processing of photography obtained by non surveying camera, the number and distribution of control points will directly effect the reliability and precision of the adjustment results.
辅加转NGF基因3T3细胞对修复缺损的神经具有良好的桥梁作用和促神经生长作用。
Addition of microencapsulated NGF expressing NIH3T3 cells could play good bridge and promotive role in regeneration of peripheral nerve and repair of nerve defect.
它不但是联系各企业中生产者间的桥梁,而且对满足人民日益增长的生活消费有巨大作用。
It is not only a bridge among manufacturers also an important role in meeting people's increasing living consumption.
图书管理员作为联系图书馆和读者的桥梁,是图书馆最为活跃、起决定作用的要素,因此,对图书管理员综合素质的评价就显得尤为重要。
As a bridge between the readers and the library, a librarian is the most active and decisive factor in a library, so the appraisal on a librarians comprehensive qualities seems particularly important.
对混凝土桥梁产生裂缝的种类和原因进行了较全面的分析和总结,以便在设计、施工使用中找出控制裂缝的可行办法,达到防范于未然的作用。
The concrete bridge fracture sorts and produced cause are completely analyzed and summarized for finding out fracture control feasible methods in design and construction to take preventive measures.
结果表明:车辆荷载作用位置以及桥梁结构形式对桥面铺装层内力的影响十分有限。
The result indicated that, the influence of vehicles load position as well as the bridge structural style is extremely limited to the bridge paving endogen force.
通过对桥梁上作用的脉动风风力的计算,对该桥水平方向和竖直方向的行车舒适性做了综合评价。
After the turbulent wind forces acted on the bridge is calculated, horizontal and vertical automobile ride comfort is evaluation.
桥梁结构的动力特性对桥梁在车辆、地震以及风等动力荷载的作用下的分析中起着极为重要的作用。
The dynamic characteristic of bridge playa significant part in analyse of bridge in the dynamic load effect.
景观的隐喻是通过场所传递给人的,场所是人和环境情感交流的桥梁,是环境对人的生理和心理交互作用的结果。
The metaphor is conveyed to the inhabitant through the location, the bridge between the inhabitant and the environment.
桥梁结构对风的作用更加敏感,动力反应更加突出,结构的风致振动不足往往就成为制约结构刚度、强度和稳定性设计的因素。
The bridge structures are sensitive to wind, the dynamic response of wind-induced vibration will be the factors of restricting the rigidity and intensity and stability.
随后研究了横向加载车道数、纵向加载车辆数、车头间距和车速对车队荷载作用下桥梁动力响应的影响。
Then, the influence of lateral multi-lane loading, longitudinal multi-vehicle loading, space headway and velocity are also investigated for Bridges under platoon.
桥面的不平整性,对桥梁的动力反应起着重要的作用。
The surface roughness of bridge plays an important role in causing the vibration of bridge.
最后,结合桥梁检测实例,通过对附加荷载作用下的静测和动测试验结果的分析,进一步证明的附加荷载动测法的可行性及优越性。
Finally, combine the instance bridge measure, through analysis of the result of static load and dynastic load, it further proved the method of attached load is feasibility and superiority.
本文对桥梁主墩承台在深水区施工时,采用钢箱围堰方案施工有借鉴和参考的作用。
It is hoped to be useful for reference of deep water zone pile cap construction of bridge pillar by steel box cofferdam.
但风洞试验仍然具有着不可替代的作用,因此,如将数值模拟方法和风洞试验相结合,对桥梁主梁截面的颤振稳定性的评估将更为准确。
Although, wind tunnel tests can't be replaced, it is reasonable to combine the numerical approaches with wind tunnel tests to evaluate the flutter stability of bridge sections.
静力三分力系数用于描述风对桥梁的静力作用,气动导数是颤振和抖振分析方法的核心。
Static coefficients are defined to describe the static effect of wind on bridge, and the aerodynamic derivatives are used to describe the aerodynamic effect.
希望文章对桥梁加固工程的设计、施工起到一定的借鉴作用,能为以后桥梁的加固设计提供合理的建议。
I hope this bridge strengthening works on the design and construction play a certain role, for future bridge strengthening designed to provide reasonable recommendations.
因此,在桥梁的抗震设计中,必须考虑桥台基础的提离和地基土的屈服等土与结构相互作用对桥台抗震性能的影响。
Therefore, the soil, superstructure and abutment interaction such as foundation uplift and yielding of underlying soil should be considered in the aseismic design of Bridges.
全文具体包括以下内容:首先,结合我国现阶段桥梁建设,对车桥系统动力相互作用和桥梁振动的研究历程进行了回顾及综合分析;
The main contents of this study are shown as follows:Firstly, the historic and current researches in the field of train-bridge dynamic interaction were comprehensively reviewed;
全文具体包括以下内容:首先,结合我国现阶段桥梁建设,对车桥系统动力相互作用和桥梁振动的研究历程进行了回顾及综合分析;
The main contents of this study are shown as follows:Firstly, the historic and current researches in the field of train-bridge dynamic interaction were comprehensively reviewed;
应用推荐