摘要
本文在分析振动压实时土体的不对称滞回特性和振动压实过程中振动与波在土体中传播及其压实效应的基础上,给出了土体的不对称滞回力模型,建立了振动压实系统的动力学模型和非线性运动方程并求其解。研究发现用考虑了不对称滞回特性的振动压实系统来描述土体运动规律,与实际振动压实工况相吻合,为进一步研究提供了理论依据。
The asymmetrical hysteretic model of soil body is shown based on the asymmetrical hysteretic characteristics of soil body and the transmission of vibration and wave and its compaction effect during the process of vibratory compaction. The dynamic model and non-linear equations of motion of vibratory compaction system are established, and the solution of equations is also obtained. It is found out that the law of motion of soil body, which is described by asymmetrical hysteretic vibratory compaction system, is consistent with practical vibratory compaction performance. As a result, a theoretical basis is provided for further study
出处
《筑路机械与施工机械化》
北大核心
2010年第4期39-41,共3页
Road Machinery & Construction Mechanization
基金
国家自然科学基金项目(50805020)
关键词
土体
振动压实
振动压实系统
动力学模型
soil body
vibratory compaction
vibratory compaction system
dynamics model
