The trace curve of rail corrugation was inputted as track cross-level irregularity,and the vertical displacement,acceleration and other dynamic responses of components under different train speeds were calculated numerically,and the relationship between the dynamic responses and the fractal dimension was investigated.
以波磨痕迹曲线作为钢轨水平不平顺输入条件,对列车以不同速度运行时轨道各构件的竖向位移和竖向加速度等动力响应进行了仿真计算,探讨了各动力响应与波磨分形维数之间的关系。
Physical simulation test of damage character of surrounding rock under different levels of the horizontal stress
不同水平应力作用下巷道围岩破坏特征的物理模拟试验
Effect of horizontal stress and rock crack density on roof safety thickness of underground area
水平应力与裂隙密度对顶板安全厚度的影响
In order to determine the effects of horizontal stress on floor heave of soft rock roadway in deep mines,the effects of different rock strength,lateral pressure coefficients and depths of notching in floor on deformation of roadway are numerically studied by means of FLAC3D software.
为了确定水平应力对深井软岩巷道底鼓的影响,采用数值模拟软件FLAC3D对不同岩性、不同侧压系数的巷道变形破坏情况及底板切槽深度对巷道变形的影响进行了研究。
The relation among job satisfaction, stress level and self-efficacy of safety staff in coalmine was investigated by a questionnaire survey conducted to 43 employees in a state-owned coalmine.
运用问卷法,以43名国有煤矿安全从业人员为研究对象,探讨了在煤矿这一特定环境下的工作人员其工作满意感、应激水平和自我效能感的关系。
Objective:to know the stress level of nurses and their coping mode.
[目的 ]了解护士的应激水平及应对方式。
The re- sult of investigation shows local College Students stress level is high;There re differences of the stress source between boys and girls high-grade students stress level is higher than low grade students.
运用文献资料法、问卷调查法、数理统计法对地方院校大学生应激水平进行研究分析,结果表明:地方院校大学生应激水平偏高;男女大学生应激水平影响因素有差异,有助于改善大学生应激水平。
Analysis of the effects of temperature distribution on stress level in a rotating disk;
旋转盘应力水平与温度分布的关联分析
Calculation and experiment on consolidation coefficient for soft clay considering different stress levels;
考虑应力水平的软土固结系数计算与试验研究
Relationship between entrance pore distribution and stress level of natural sedimentary diatomaceous soil;
天然硅藻土的应力水平与孔隙空间分布的关系
Mechansim of Deformation of Soft Rock Roadway with High Horizontal Geo-stress and Its Supporting Measures;
高水平应力软岩巷道围岩变形机理及支护对策
The effect of water injection on horizontal terrestrial stress in low permeability reservoirs
低渗透油藏注水对水平地应力的影响
Study on the Mechanical Properties of Deep Clay under Various Stress Level
不同应力水平深部粘土力学特性研究
Stress character analysis on horizontal axis wind turbine blade
大型水平轴风力机叶片应力特征分析
Finite Element Analysis for the Shear Stress of the Horizontor Edge Cracked Beam
边缘水平缝隙梁剪应力的有限元分析
Simulating Research on Stress Effect in Horizontal Directional Drill Stem;
水平定向钻杆力学效应模拟仿真研究
GIS Based Hydrodynamics Model of Plain River-network;
GIS在平原河网水动力模型中的应用
Meeting the Needs of the Power Market and Lifting the Level of the Marketing Service;
适应电力市场需求 提升营销服务水平
Stress Analysis on Cut-off Wall in Plain Reservoir
影响平原水库防渗墙应力的几个因素
Dynamics Analysis and Application of Horizontally Vibrated Conveyer
水平振动输送机的动力学分析与应用
Residual Stress Analysis on the Heavy Rail of Horizontal Straightening
重轨水平模拟矫直后残余应力的分析
The level of social insurance shall be compatible with the level of economic and social development and the capacity of the society to afford.
社会保险水平应当与社会经济发展水平和社会承受能力相适应。
Application of Horizontal Borehole Technology by Hydraulic Jetting in Changqing Longdong Oilfield
水力喷射水平钻孔技术在长庆陇东油田的应用
Hydraulic Imbalance in AC Water System and Application of Balance Valve
空调水系统中的水力失调与平衡阀的应用
Promoting the Level of Electric Power Sale Service and Man agement to Meet the Needs of Power Market
适应电力市场需求 提升电力营销服务管理水平
Promoting the Level of Electric Power Sale Service and Man agement to Meet the Needs of Power Market;
适应电力市场需求 提升电力营销服务管理水平
Coupled Dynamic Responses of the Tension Leg Platform and Tendon in Deep-water
深水张力腿平台与系泊系统的耦合动力响应
At a time, The acoustic measurement method of rock mass stresses and the horizontal tectonic stress are discussed.
同时,对用弹性波法确定岩体地应力及水平构造应力进行了探讨。
