查询词典 compressive stress

The compressive strength and elastic wave velocity of cement soil are determined respectively by consolidation non-drainage triaxial shear test and transmission method so as to study the effect of saturation on the compressive strength, the elastic wave velocity and their correlation.

用固结不排水三轴剪切试验方法和透射法，分别测定改良土的抗压强度和弹性波速，从而研究饱和对水泥改良土抗压强度、弹性波速的影响以及两者的相关性。

By means of triaxial tests, uniaxial compressive tests of a prism and bending tests of a reinforced cement-soil beam, elastic and deformation modulus of cement soil are studied and the relationships between deformation modulus and compressive strength are obtained.

通过三轴试验、棱柱体单轴抗压试验及加筋水泥土梁的抗弯试验，研究了水泥土的弹性模量及变形模量，得到了变形模量与抗压强度之间的关系，并分析了试验方法对变形模量测试结果的影响。

On the base of large amount of tests, this thesis analyzes the impacts of testing period, fiber dosage and cement dosage upon the compressive strength, splitting tensile strength, compressive resilient modulus, flexural strength and flexural elastic modulus of polypropylene fiber cement stabilized macadam, and the corresponding impact rule was found.

3在大量试验的基础上分析了试验龄期、纤维掺量、水泥掺量对聚丙烯纤维水泥稳定碎石抗压强度、劈裂抗拉强度、抗压回弹模量、抗弯拉强度和抗弯拉弹性模量等的影响，并得出了相应的影响规律。

The results showed that the air bubble in the coup site mainly suffered from the tensile force vertical to the impacting direction and the air bubble in the contrecoup site mainly suffered from the compressive force in the impacting direction. Since the property of tensile resistance of the brain tissue is inferior to the property of compressive resistance of the brain tissue, the injury is often easier to occur in the contrecoup site than in coup site.

实验结果表明撞击点处的气泡所受到的作用力主要为压力且来自于短轴方向，即撞击方向；对冲点处的气泡所受到的作用力主要为拉力且来自于长轴方向，即撞击方向的垂直方向。

The main contributions are as follows: 1、The tests of compressive strength and tensile strength demonstrate that, with glass fiber mixed in, the compressive strength and tensile strength of different age cement soil were enhanced effectively.

主要研究内容如下： 1、通过对玻璃纤维-水泥土的抗压与抗拉强度试验，表明玻璃纤维的掺入能有效提高不同龄期水泥土试件的抗压强度和抗拉强度，具有较明显的增强效果。

The results showed that the surface layer and the bottom layer of the road pavement experience the repeated horizontal tensile and compressive stresses under cyclic loading and small residual tensile and compressive stresses build up in the surface layer and bottom layer respectively. This is probably one of the factors causing top-down or bottom-up fatigue cracking in the asphalt pavement.

结果表明在循环荷载作用下，路表和沥青层底都经受水平压应力和拉应力的重复作用，且在路表和沥青层底分别产生少量的残余拉应力和残余压应力，这有可能是造成沥青路面从上到下或从下到上疲劳开裂的原因之一。

(1) The input of the internal fixation implant should be in accordance with the compressive trabeculae and be clingy with the femoral calcar, Abduction in small degree (10-30°) will improve the stress in femoral neck region. The stress distribution of the femur under extemal violence explained why the old people are easy to get the middle and low part fractures of the femoral neck and intertrochanteric fractures.(2) The finite element model of femoral neck fracture is good in orrowing various fixation methods for femoral neck fracture.

(1)三维有限元方法用于研究不规则物体是一种有效、准确的数值方法，不仅能考虑到所研究物体的几何形状，而且也考虑到物体的内部结构特性；股骨颈处的压力骨小梁和股骨距是重要的承载结构，内固定物的放置应循压力骨小梁方向尽量紧贴股骨距钻入；载荷主要通过压力骨小梁和股骨距传导至股骨干的中下1/3处；一定角度的下肢外展（10-30°）会较明显的增加股骨颈区的应力，而下肢的内收反而会减小此区的应力；暴力作用时股骨上端应力分布特点从生物力学角度说明老年人易于发生股骨颈中下段骨折和转子间骨折的原因。

The protrutive relation was set to reestablished the articulation. The geometry model constructed in CAD software was put into MSC.PATRAN to set the concrete Three-dimensional Finite Element Model. Result revealed (1) Tensile stress distributed in the posterior-upper area; molar area.(2) Compressive stress distributed in the opsile molar area and gonion area .

本研究通过模拟下颌前伸时，对下颌骨骨组织应力变化进行三维有限元分析[3 ，8] ，了解下颌骨骨组织应力分布特点，为临床矫形治疗提供理论依据。1 材料与方法1.1 建立几何模型1.1.1 病例选择选择一名年龄 12岁的男孩，X线手腕骨片显示处于生长发育高峰前期，全身发育正常。

The stress was applied by a helix micrometer. The in-plane compressive or tensile strains were created and the stress in the sample can be calculated according to Hooke's law.

层结构的应力由螺旋测微器施加，可以产生平面内的压应力和应变，大小可以由胡克定律算出。

By means of statistical inference as well as hypothesis test method, it is determined that the variables of compressive stress and shearing stress are of Extreme-value Ⅰ Distribution and that the variables of frictional coefficient and cohesion coefficient are of Logarithmic Normal Distribution.

应用统计推理和假设检验方法分析得知，压应力与切应力随机变量呈极值Ⅰ型分布，摩擦系数与粘结力系数随机变量呈对数正态分布。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。