| 1. | Wind - structure - coupling effects and buffeting responses
风与结构的耦合作用及风振响应分析 |
| 2. | Effect of pylon stochastic wind field on buffeting response of long cable - stayed bridge
考虑桥塔风效应的斜拉桥时域抖振分析 |
| 3. | The structure of the joint zone for cooperative system cable - stayed bridge and analysis of buffeting response
协作体系斜拉桥接头部位构造及抖振响应分析 |
| 4. | When wind flows around roofs , the airflow will be separated to form a high suction zone , and the flexible roofs will suffer from wind - induced buffeting response
风流经屋面时，会在屋面的大部分区域产生强大的吸力，并引起柔性屋面的风振。 |
| 5. | In the paper , the wind environment was investigated , at the same time the buffeting responses on the top of yamen bridge pylon under wind were calculated
本文对崖门大桥所处的风环境进行了研究，并对该桥桥塔在独塔施工阶段的塔顶横桥向抖振位移进行了计算。 |
| 6. | One aspect about the studying of bridge buffeting is to simulating natural wind . if the result of its simulation is correct or not , it is directly concerned with veracity of bridge buffeting response
目前，对桥梁抖振研究的一个方面是风场模拟，风场模拟的结果是否与实际相符直接关系到桥梁抖振响应计算结果的准确度。 |
| 7. | The method described in this paper may simulate real natural wind at the site of bridge using real wind velocity continuous records in short period and putting aside wind spectrum on the base of simulating merit or demerit , then buffeting response has been analysised
本论文在分析了已有风场模拟方法优缺点的基础上，没有采用已有的风谱，仅用桥址处短期的实际风速时程记录，进而模拟该桥处的实际风场，从而分析桥梁的抖振响应。 |
| 8. | Base on the theory of random vibration and the calculating principle and method for the passive tuned mass damper ( tmd ) , which was taken to control buffeting at the construction stage , the paper explains the design method of tmd and the formula use to control buffeting responses of bridge pylon was deduced
根据随机振动原理和被动调质阻尼器( tmd )对结构的减振原理，本文简单阐述了tmd的设计方法，并推导出了用于桥塔风振控制计算的公式。 |
| 9. | The study on the buffeting responses and damping measures of bridge pylon during construction , including the flowing parts that were the theory of buffeting wind - induced responses , calculation of the buffeting responses of yamen bridge pylon , the theory of vibration control , the tunnel test study on buffeting responses and damping measures of yamen bridge pylon
桥塔独塔施工阶段抖振响应分析及制振措施的研究主要包括独塔施工阶段抖振响应的理论与计算、结构振动控制措施的理论、风洞试验研究等几个方面的内容。 |
| 10. | In this paper the author first analysed the wind effects on bridges , and wind - induced vibration is described in particular . second , two methods for wind effects on bridges are discussed , which include the method of gust response factors and the method of buffeting response spectrum . thirdly , from the requirement of practical engineering , the accurate analysis method is simplified according through the parametric analysis , the formula for engineering application of the second method is presented . finally , a realengineering example illustrate the usage of the two methods . and the result of the engineering example show that the stress calculated by buffeting response spectrum method is larger than which calculated from the gust response factor methed , also the temporary method of wind resistant ways for bridge in cantilever state is presented
第二，分析了桥梁抗风分析的两种方法，包括基于阵风系数的阵风分析法和抖振反应谱分析法。第三，从工程实际应用出发，通过参数分析，对精确方法进行适当简化，推导出了桥梁在悬臂施工中的抖振反应谱法的实用计算公式。最后，通过工程实例，采用两种抗风分析方法分别进行了分析计算，实例分析的计算结果说明反应谱法计算得到的内力大于按阵风系数法得到的内力；同时提出了在悬臂施工状态工程施工中的临时抗风措施。 |
