| 1. | Modal analysis and dynamic deformation of scanning mirror 扫描镜动态面形变化和模态分析 |
| 2. | Dynamic deformation characteristics of intact loess under different water content 不同含水量下原状黄土的动力变形特性 |
| 3. | Vulcanized or thermoplastic rubber . resistance to ozone cracking . dynamic deformation test 硫化橡胶或热塑橡胶.抗臭氧开裂.动态变形试验 |
| 4. | Soils : investigation and testing - formation level bearing capacity - part 2 : dynamic deformation module 土壤:勘测和检验.施工基面承载容量.第2部分:动态变形模数 |
| 5. | Thickness effect of pulse shaper on dynamic stress equilibrium and dynamic deformation behavior in the polycarbonate using shpb technique 实验中聚碳酸酯试件的动应力平衡和变形行为的影响 |
| 6. | By the static & dynamic triaxial tests on the soil derived from dam and dam base , the article makes research on the soil static & dynamic deformation properties and measured the parameters needed by stress deformation analysis 根据静、动三轴仪对坝体和坝基土料进行的静、动力三轴试验,研究了土料静、动应力变形特性,测定了对坝体进行静、动力应力变形分析所需的参数。 |
| 7. | ? by using of ls - dyna program , the dynamic deformation processes of modeled the two kinds of experiments without he reaction are calculated and show little difference from the experimental data when plastic _ kinematic model was used for lacking materials properties of other models 由于缺乏材料参数,对炸药选取弹塑性本构模型,因此可能导致计算结果较真实情况有一定偏差。另外,利用现有的点火增长反应速率模型对两种试验进行了初步的计算。 |
| 8. | Many types of dynamic load can be used to analyze the problems of interaction of soils and structures with this program . and it is necessary to use effective stress method to study dynamic deformation problems of soil subgrade . for convenience , traffic load is simplified as half - sinusoidal load , and the soil of subgrade is assumed to be strain - hardening 将交通荷载简化为半波正弦荷载,假定地基土体为硬化型土,运用本文编制的动态弹塑性有限元程序,分析了单次动力加载和循环动力加载条件下道路横截面与软土地基共同变形特性。 |
| 9. | 6 . according to palmgren - miner ? theories of fatigue damage accumulation and the analysis of the dynamic strength and dynamic deformation of reinforced earth retaining wall , the fatigue damage of the reinforced earth retaining wall has been analyzed and its measurement standard has been concluded for the first time 6 、通过对加筋土动强度与动变形分析,根据palmgfen miner疲劳损伤积累理论,首次对加筋土挡土结构进行了疲劳损伤分析,得出了疲劳损伤的衡量准则。 |
| 10. | Based on the analyses of dynamic deformation process of the soft failure roadway under high ground stress , process - monitoring stepwise supporting principle was put forward to maintain this kind of roadway , that is 1 ) making full use of the carrying capacity of surrounding rocks , 2 ) timely reinforcing the surrounding rock by grouting to enhance its integrality , and 3 ) reinforcing supporting in those key positions 基于该类巷道变形的动态阶段性特点,针对性地提出该类软岩巷道支护的过程监控分步支护的过程控制方法,即开巷初期充分发挥围岩自身的承载能力;适时采取围岩注浆加固, “保护与强化”围岩力学性能,提高围岩完整性;最后关键部位加强支护。 |