1) braking force coefficient
制动力系数
2) brake force coefficient
制动力附着系数
3) Dynamic factor
动力系数
1.
With the increase of vehicle speed and the improvement of bridge structures,it becomes important for designers to reasonably choose the dynamic factors for the active load of vehicles when passing through bridges.
随着行车速度的提高和结构形式的不断发展 ,如何合理采用车辆活载的动力系数 ,已日益引起桥梁结构设计者的重视 。
2.
Through calculation, we know that the simply supported beams with equal spans and the trains will have one to two resonant speeds during high speed, the brid ge s dynamic factors between different spans have little change, and the train s running comfort differs a little during no.
计算表明 ,等跨布置的简支梁桥在高速范围内会有 1～ 2个共振速度 ;桥梁的动力系数各孔变化不大 ,反映旅客乘坐舒适度的列车平稳性指标在前 4孔稍有变化 ,从第 5孔开始稳定 ,说明铁路长桥采用等跨布置是可行
3.
4 Guangzhou subway were analyzed as case study ,by establishing a dynamic analysis model of LIM train-bridge system, the analysis on the responses of bridge under the action of running train was conducted, combination with experimental analysis, a reasonable formula for determination of the dynamic factors is presented.
本文以广州市轨道交通四号线高架结构为工程背景,通过建立直线电机(LIM)列车-桥梁体系动力分析模型,对直线电机作用下桥梁的动力响应进行了分析,结合动力系数现场测试结果,提出了直线电机(LIM)列车作用下桥梁动力系数建议公式。
4) impact factor
动力系数
1.
The influences of vehicle model and running speed of vehicle were investigated,and the dynamic impact factors of cable-stayed bridges were discussed.
研究结果表明,大跨度斜拉桥主梁的振动响应以静位移和长周期振动成分为主,拉索局部侧向振动不明显,车辆计算模型对结构振动响应的影响十分有限,行车速度的提高增加了结构的动力系数,两种拉索材料对斜拉桥在车辆荷载下的振动响应影响很小,斜拉桥的动力系数离散性大且与构件类型有关。
2.
Through an analysis of the field test data on two mass transit bridges in Shanghai and a comparison with foreign vibration theories, the paper holds that vehicles on the mass transit and on the railway lines are different both in velocity and in characters, and the impact factor on the mass transit bridge is less than that on the railway bridge structures.
通过对国内外既有铁路桥规、车桥振动理论分析以及现场试验数据的对比,提出城市轨道交通桥梁车辆竖向荷载的动力系数建议公式。
5) dynamic coefficient
动力系数
1.
This paper derives the relations of turbine absolute inner efficiency relative increase and dynamic coefficient ,discusses the importance of dynamic coefficient in regenerative units thermal economic benefits analysis .
推导了汽轮机绝对内效率的相对提高值与动力系数的关系 ,以实际例子论述了动力系数在回热机组热经济性分析中的重要
2.
The dynamic testing method of a prestressed continuous box bridge, the testing result and the analysis of the dynamic coefficient are presented.
文章拟介绍某预应力箱形桥梁的动力测试方案 ,动力系数测试结果及分析 。
3.
Analysis and probe for choice of dynamic coefficient of centrifugater in earthequakeproof design of floor girder in continuous oil refining plant with largescale centrifugater were made.
就装有大吨位离心机的工业车间防振设计中如何正确合理的选取离心机动力系数问题进行了分析与探讨,并通过算例说明了合理地选取动力系数的重要性。
6) seismic coefficient
动力系数
1.
Based on a great deal of FEM analyses, the distributing law of seismic coefficients in rock slope is concluded in this paper.
在大量有限元动力计算的基础上，分析总结了岩石边坡地震动力系数的分布规律，提出了一个简便易行，又能在一定程度上合理体现岩石边坡地震动力响应特征的岩石边坡地震作用近似计算方法。
2.
Based on a great deal of FEM dynamic calculating results, the distribution law of seismic coefficients in the rock slope is summed up in this paper.
在大量有限元动力计算的基础上，分析总结了岩石边坡地震动力系数的分布规律。
补充资料：制动器制动力分配系数
两轴汽车的前、后制动器制动力的比值一般为固定的常数。通常用前制动器制动力对汽车总制动器制动力之比来表明分配比例，即制动器制动力分配系数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条