土木工程与管理学报Issue(1)：7-12,81,7.
液压高频振动锤拔桩体系的振动特性分析
Dynamics of Pile Extraction by Hydraulic Vibrators with High Frequencies
摘要
Abstract
The hydraulic piling vibrator with high frequency is mobile as well as of low vibration and noise, which has been used in some developed countries and in China. Based on theories of structure dynamics, a hybrid model of pile-vibrator-suspension system was proposed and the analytic formulations were derived to calculate the displacement of pile top and the force of suspension induced by the vibrator. The parametric analysis showed that the displacement of pile top does not monotonically increase with increasing frequencies and a vibration monitoring system is needed to reasonably adjust the working frequency. The results presented herein could be a useful reference to the application of high-frequency hydraulic vibrators to piling in practice.关键词
液压高频振动桩锤/振拔桩/振动分析/参数优化Key words
hydraulic piling vibrator with high-frequency/pile extraction/vibration analysis/parameter optimization分类
建筑与水利引用本文复制引用
谢伟民,郭启文,陈龙珠..液压高频振动锤拔桩体系的振动特性分析[J].土木工程与管理学报,2015,(1):7-12,81,7.基金项目
国家自然科学基金(51379122) （51379122）
上海市科委资助项目(11dz1202000) （11dz1202000）
