Nevertheless, the ratio of Poisson's ratio should be decreased.
值、杨氏系數比值、浦松比 比值都应该增加；
The relationship between the plane- Poisson's ratio and thick- Poisson's ratio is analyzed.
最后分析了面内泊桑比和厚度方向泊桑比的关系。
When compressive stress reaches zero, a critical value of the post-peak Poisson's ratio is achieved.
当压缩应力降至零时，峰后泊松比达到临界值。
Concrete is assumed to be an isotropic material, and deformations due to Poisson's ratio are ignored.
混凝土假设为各向同性材料，且忽略计算变形时的泊松比效应。
The sensitivity analysis for Poisson's ratio and coefficient of permeability has given some beneficial conclusions.
对泊松比及渗透系数的参数敏感性分析也得出了一些有益结论。
This paper describes the triaxial test system which was designed for determining dynamic modulus and poisson's ratio.
本文叙述了用于测定动变形模量和动泊松比的三轴试验设备。
Cellular materials with negative Poisson's ratio have unique mechanical performance and a promising prospect of applications.
负泊松比多胞材料具有独特的力学性能，有着良好的应用前景。
The reduction theory for elastic modulus and Poisson's ratio is given according to the stress-strain hyperbolic curve of the soil.
根据土的弹性模量和泊松比满足双曲线关系，给出了弹性模量和泊松比折减的基本原理。
By selecting two groups of different virtual displacement field, elastic parameters (Young's Moduls and Poisson's ratio) can be inversed.
通过选择两组不同的虚位移场，可以反算出材料的力学参数：杨氏模量和泊松比。
It is possible for linear, upwards concave or upwards convex relations between the post-peak Poisson's ratio and the flow compressive stress.
峰后泊松比与轴向压应力之间的关系可能是一条直线，也可能是上凸的，或上凹的。
It is found in experiments on metals with yielding terrace that there always exists sudden down and up in Poisson's ratio during the yielding stage.
我们从具有屈服平台金属材料试验中发现，在屈服阶段的泊桑比总是存在剧减和剧增。
In this method, Poisson's ratio, the compressive strength and a suitable strength theory are needed to calculate the tensile strength of rock material.
与传统测试方法不同，这种方法需要知道材料的泊松比和抗压强度，以及适合于岩石材料的强度理论。
The simulation results suggest that there is no obvious size effect for Poisson's ratio, compressive strength and Young's modulus and fracture toughness.
结果表明：泊松比、单轴抗压强度、弹性模量以及断裂韧性的尺寸效应不明显，弯曲强度则随着模型尺寸的增大而减小。
And also considered two cases of the concrete Poisson's ratio: remaining unchanged during the loading process and changed at the later stage of the loading.
并考虑了在整个加载过程中混凝土泊松比保持不变与在加载后期泊松比发生变化两种情况。
The relationships between strain rate and the elastic modulus, critical strain, Poisson's ratio and energy absorption capacity of concrete are still studied.
分析了应变率对混凝土弹性模量、峰值应力时的应变、泊松比和混凝土吸能能力的影响。
Based on the best matching between the computed and the measured transmission spectra, the Young's modulus and Poisson's ratio of the plate are reconstructed.
将透射频谱的理论值与实验值实现最佳拟合，具体反演得到了金属板的杨氏模量和泊松比。
Present results are compared with the results from conventional method, in which the elastic modulus and Poisson's ratio are weighted averaged with the depth.
同时采用成层地基进行分析，将其计算结果与常规方法中采用对弹性模量和泊松比在计算深度内按深度加权平均的计算结果进行比较；
The theoretical study also shows that HMA Poisson's ratio becomes the function of temperature and stress at high temperature of large load, and validates the test results.
理论分析也认为混合料泊松比是温度和应力状态的函数，验证了试验测试结果。
Higher lateral deformation and Poisson's ratio as well as negative volumetric strain can be reached for higher pore pressure even though axial strain of specimen is lower.
较高的孔隙压力，即使试样的轴向应变为低，可以达到较高的横向变形和泊松比，以及负体积应变。
By combining with dynamic isochromate pattern, the elastic modulus, Poisson's ratio and dynamic material fringe value of the material measured can be obtained by the method.
如果和动光弹等色线结合，可以同时获得被测材料的弹性模量、泊松比、材料条纹值参数。
The influence of the displacements due to different depth and different Poisson's ratio was discussed, and the influence of the stresses due to different depth was discussed too.
分析了不同埋深、不同泊松比对位移场的影响、不同埋深对应力场的影响。
The variation of Poisson's ratio was related closely with the change of volume of specimen. The range of variation for Poisson's ratio could be analyzed from the change of volume.
泊松比的变化与试样的体积变形密切相关，从体积变化趋势中可以分析出泊松比的变化范围。
On this basis, the influences of the Poisson's ratio of soil, shear modulus of soil, shear modulus of lining and thickness of lining on dynamic response of the lining are analyzed.
在此基础上，分析了均布突加荷载作用下土体泊松比、剪切模量及衬砌剪切模量、衬砌厚度对衬砌动力响应的影响。
A mechanical model of two-dimensional cellular materials with negative Poisson's ratio, composed of partly re-entrant and partly regular hexagons, was proposed based on rotation mechanism.
基于旋转机制，提出了一种具有负泊松比效应的、由部分内凹以及部分规则六边形组成的二维多胞材料力学模型；
Based on the model, the influence of the thickness, elastic modulus and Poisson's ratio of the interfacial transition zone on the relative elastic modulus of concrete is analyzed in detail.
另外，基于该模型，可分析界面层厚度、弹性模量和泊松比对混凝土相对弹性模量的影响。
The generalized Poisson's ratio is measured using the results of biaxial tensile tests of PVC membrane materials, which verifies the nonlinear characteristics of generalized Poisson's ratio.
采用双轴拉伸试验方法测定了PVC膜材的广义泊松比，验证了广义泊松比的非线性特征。
This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.
本文通过对灰砂砖及灰砂砖砌体的较系统的试验研究，得出了灰砂砖砌体的抗压强度、抗剪强度、弹性模量、泊桑比系数、含水率、吸水率及软化系数等。
Analytical solutions of axial, lateral, circumferential and volumetric strains, and post-peak Poisson's ratio of rock specimen subjected to shear failure in uniaxial compression are proposed.
提出了单轴压缩的岩样在受到剪切破坏条件下的全部变形特征，即轴向、侧向、环向、体积应变及峰后泊松比的解析式。
To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.
为确定热障涂层的残余应力、结合力、断裂韧性、疲劳裂纹扩展速率等性能和特性，需要知道其杨氏模量和泊松比。
To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.
为确定热障涂层的残余应力、结合力、断裂韧性、疲劳裂纹扩展速率等性能和特性，需要知道其杨氏模量和泊松比。
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