This paper presents a new method for calculating the naturalvibrationperiod of towers.
本文介绍了一种计算塔设备自振周期的新方法。
2
Dynamic characteristics tests show that the naturalvibrationperiod of steel frame can be prolonged with the reducing of connection rotation stiffness.
动力特性测试结果表明：随着节点转动刚度的减小，框架自振周期延长。
3
The theoretical values and the measured data on the installed unit show that this method can be applied to determination of the naturalvibrationperiod for a large-scale framed tower.