| 1. | The poly - fit equation takes into account the effects of the eccentricity ratio , yield ratio of material and the nominal crack length and gives satisfactory accuracy comparing to the experiment results 该回归公式包含了多个参数对板的极限拉伸强度的影响,与实验结果吻合较好。 |
| 2. | The lateral - torsion coupling seismic response of the uniaxial - eccentricity base - isolated structure is then analyzed , and the seismic responses of several base - isolated structures with various eccentricity ratios are discussed 结果表明:在结构设计中应合理调整隔震结构上部结构和隔震层的偏心率。 |
| 3. | For the case of static loaded er journal bearings , the influence of er effects on the lubrication performance are studied under various radius clearances , eccentricity ratios and shear rates 对于稳载电流变滑动轴承的润滑问题,研究了不同平均间隙、不同偏心率以及不同剪切速率下电流变效应对轴承润滑性能的影响。 |
| 4. | The effect of the crack eccentricity ratio on the stress intensity factor and the ultimate tensile strength for cracked ductile plates was investigated in this paper 摘要疲劳裂纹对船舶结构强度具有不可忽视的削弱作用,在过去的研究中,主要从断裂力学的角度对疲劳裂纹应力场进行分析,而对于静态裂纹板的极限强度的探讨相对较少。 |
| 5. | In regard of the effect on stress intensity factor , a macro - element method to calculate stress intensity factor is simplified to analyze the variety of the stress intensity factor under different crack eccentricity ratio 对于偏心裂纹应力强度因子,在计算方法上有效地简化了文献[ 5 ]中提出的大单元有限元计算模型,并且用于分析裂纹偏心度对于应力强度因子的影响。 |
| 6. | In this paper , the pressure field and static characteristic of bearings are simulated by fluent . the pressure contours of restrictors and shaft are acquired as well as the load capacity and static stiffness curves versus eccentricity ratio 本文首次应用它对轴承的压力场和静态特性进行了仿真分析,得出了气体流经小孔、多孔柱塞和全多孔质的压力变化曲线以及轴上压力沿轴向和圆周方向上的变化趋势,并给出了轴承的承载能力和静态刚度曲线。 |
| 7. | For the whole porous bearing , the data and curves are acquired , such as , the load capacity and static stiffness versus the supply pressure , permeability , thickness of the film , eccentricity ratio and the structure parameters of the bearing . what ’ s more , some disciplinary conclusions are drawn 对于全多孔质轴承,还分析计算了供气压力、渗透率、气膜厚度、偏心率以及轴承的结构参数对轴承静态性能的影响,给出了一些规律性的结论。 |
| 8. | In order to investigate the mechanics properties of square cft ( concrete - filled tubular ) stub columns with binding bars under unilateral eccentric loads , 14 specimens were tested by considering the parameters such as the steel ratio , the load eccentricity ratio and the location of the binding bars 摘要为了解带约束拉杆方形钢管混凝土短柱在单向偏心荷载作用下的力学性能,进行了14个试件的偏压试验,主要研究截面含钢率、荷载偏心率以及约束拉杆设置对带约束拉杆方形钢管混凝土短柱偏压力学性能的影响。 |
| 9. | After the evaluation of the three parameters in the proposed creep model , which is based on the large numbers of experimental measurements of concrete creep , the influential regularities of concrete filled steel tube columns under long - term loading are investigated . by dispersing time , the method of tangent modulus is adopted to study the relation of creep strain and load time . in the end , this paper took cft specimens with representative geometry and sectional dimensions as examples and adopted the proposed method as an approach to investigate the influencing regularities of many factors , which include the ratio of long - term load to strength , the slenderness ratio , the eccentricity ratio , and the intensity grade of concrete , on cft structures 在对钢管混凝土构件长期荷载效应的分析中,本文基于三维粘弹性理论,采用三参数粘弹性模型,提出了核心混凝土徐变的三维有限元分析理论,在总结过去大量关于混凝土徐变试验实测结果的基础上拟合了模型中的三个参数,并成功将其应用于钢管混凝土徐变的三维分析计算中,得到徐变与持荷时间的关系,以典型截面形式的圆钢管混凝土轴压、偏压构件为例,对轴压比、长细比、含钢率、偏心率以及核心混凝土等级分别进行了大量的参数分析和实验对比研究,结果表明二者符合较好。 |
| 10. | Experimental results indicate that ( 1 ) the bearing strengths of the specimens decrease with the increase in the load eccentricity ratio while they increase with the increase in the steel ratio , and ( 2 ) binding bars help to improve the ultimate strength and the ductility of the eccentric - loaded specimens 结果表明,方形钢管混凝土短柱试件的承载力随着偏心率的增大而减小,随着钢管壁厚度(含钢率)的增大而增大,设置约束拉杆有助于该试件极限承载力和延性的提高。 |