| 1. | Soil dynamic analysis by the thin - layer element method 基于薄层单元法的土动力分析 |
| 2. | Digging pile blast hole wall rock soil dynamic parameters detection and assessment 挖孔桩孔壁岩土动力参数探测和评价 |
| 3. | The lab tests contained soil dynamic triaxial test , x ray diffraction , scanning electronic microscope observation , grain size analysis and routine soil tests 室内测试分析主要有土样动三轴实验,矿物组成x衍射分析,土样微结构扫描电镜观测,土样粒度成分分析和常规土工实验分析。 |
| 4. | Reveal the soil dynamic performance under compaction process . set up a dynamic model for the whole system . study the optimal matching problem between the vibratory system and impactive system 用数学手段拟合试验数据,得到土内应力的分布规律和变化规律,揭示了土体在压实过程中的动态特性,并建立了系统的动力学模型。 |
| 5. | Many approaches have been proposed for modeling of cyclic mobility but , up to the present , none of the proposals seem to be so successful as to be readily applicable in practice of soil dynamics and earthquake engineering 许多学者建议了数学模型对循环活动性进行模拟,但是至目前为止在土动力学和地震工程实践应用中成功的模型很少。 |
| 6. | The countrywide situation of soil dynamics field in china is given briefly , the important changes occurred in recent years , the shortcomings existed in the field and the directional problems needed to be researched are analyzed in this paper 摘要本文对中国土动力学领域的基本情况作了扼要的回顾,片近年来在这个学科领域内发生的重要变化、存在问题也作了较深刻的解剖与分析,提出了需要进一步研究的问题。 |
| 7. | Preliminary research on creep and dynamic characteristics , which are two important properties of asphalt concrete cores for embankment dams , through triaxial compression creep tests and dynamic triaxial test with the aid of the viscoelastic theory and the soil dynamics theory 本文通过三轴压缩蠕变试验和振动三轴试验,借助粘弹性理论和土动力学理论,对土石坝沥青混凝土心墙材料的两个重要性质? ?蠕变性能和动力特性进行了初步的研究。 |
| 8. | On the base of prophase discussion which associated with the reliability of highway groundwork liquefaction estimation and the liquefaction preliminary decision , and on the base of soil dynamic experiments , through static - dynamic finite element analyses , this paper studied the groundwork soil anti - liquefaction raising ability which under the union action of highway roadbed and the substructure . also the paper had compared the calculated result with the flexible substructure 在本课题前期对公路地基液化判别式可靠性以及液化初判条件讨论、土动力试验的基础上,通过静、动力有限元分析,对公路路基?刚性基础联合作用下地基土的抗液化能力变化状况进行了研究,并与前期柔性基础的计算结果进行比较。 |
| 9. | On the base of discussion which associated with the reliability of highway substructure liquefaction estimation and the liquefaction preliminary decision , through soil dynamic experiments and static - dynamic finite element analyses , this paper studied the substructure soil anti - liquefaction raising ability which under the union action of highway embankment and the substructure 在对公路地基液化判别式可靠性以及液化初判条件讨论的基础上,通过土动力试验,以及静、动力有限元分析,对公路路基?地基联合作用下地基上的抗液化能力变化状况进行了研究。 |
| 10. | 5 . the influence of soil - structure dynamic interaction is studied , which in different mass distribution , elastic modulus of concrete , stiffness distribution and soil dynamic characteristics . as a result of seismic response analysis , an idea is presented for structure seismic reduction by replacement of soft soil 5 、基于前述的研究成果,在原有数值模型上改变上部结构的质量分布、混凝土弹性模量、刚度分布以及土性等参数,研究在土-结构动力相互作用影响下结构动力特性和地震反应的变化规律。 |