The wave force on the steel-pipepile which was connected and unconnected to the test platform was tested; and the acceleration versus time data and natural vibration frequency were obtained.
对波流力作用下连接及未连接平台的钢管桩进行了测试，获得了加速度时程曲线以及钢管桩固有频率。
2
PHC pipepile plank in end is usually produced by cutting steel plank or forging, and then machining.
PH C管桩端板的通常生产方法是采用钢板切割或锻打成型，然后机加工而成。
3
Using the method of top pressure and out soil promoted a comprehensive rectifying deviation to the structure, and using of steelpipepile method reinforced the base of the tower.