| 1. | Dynamic stresses of significance may occur in structures such as bridges, craneways, machine foundations, presses and so on . 巨大的动应力可能发生在诸如桥梁、倒虹吸、机器基础、冲床等结构物之中。 |
| 2. | Research on dynamic interaction between adnjacent machine foundations 相邻机器基础动力相互作用研究 |
| 3. | Machine foundations ; flexible structures that support machines with rotating elements 机器基础.具有旋转零件的机器用柔性支承结构 |
| 4. | Design code of vibration isolation of auxiliary machine foundation in fossil fuel power plant 水力发电厂辅助机器基础隔振设计规程 |
| 5. | The key of vibrational characteristics analysis of machine are establishing the model system and determining all of dynamic parameters 机器基础振动特性分析的关键是建立模型体系和确定各个动力参数。 |
| 6. | The method of establishing model in the finite element calculation can be used to the engineering calculation of machine foundations and carrying out the theoretical research 有限元计算中提出的建模方法可以运用于机器基础的工程计算,也可运用于理论研究。 |
| 7. | The study of consolidation of layered saturated soils under variable loading is an important issue to geotechnical engineering . it is also of great value to the development of the elastodynamics and is very helpful to the analysis and design of foundations subjected to dynamic loads , such as vibrating machines and seismic waves . some aspects about this problem are studied in this dissertation 变荷载下成层地基的固结问题一直是岩土工程界不论在理论方面还是实际方面的重要课题,它不仅对于弹性动力学的发展有着重要的学术价值,而且对机器基础及地震荷载作用下基础的分析和设计具有重要的指导意义。 |
| 8. | In this paper , the formulas of dynamic parameters provide good method to determine the dynamic parameters , which can reflect the influence of many factors such as the property of soil , the base area of foundation , the pressure of foundation , the exciting frequency and so on 本文得到的地基刚度、参振土质量和动力影响深度的计算公式能较好地反映地基土体性质、基底面积、基底压力和扰频等诸多因素对它们的影响,为更准确地确定机器基础系统的动力参数提供了一种较好的途径。 |
| 9. | The study of dynamic interactions of foundations and grounds on half space has been the focus on the mechanics and engineering fields . it is of great value to the development of the elastodynamics and is very helpful to the analysis and design of foundations subjected to dynamic loads , such as vibrating machines and seismic waves 半空间地基与基础的动力相互作用问题的研究一直受到力学界和工程界的关注,它不仅对于弹性动力学的发展有着重要的学术价值,而且对机器基础及地震荷载作用下基础的分析与设计具有重要的指导意义。 |