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- Keywords HDF;OSB;Dynamic elasticity model;Damp ratio; 硬质纤维板;定向刨花板;弹性模量;阻尼比;
- Dynamic elasticity model 动弹模
- Elasticity model explained sedimentation mechanism from the Trias in the southern margin of Junggar foreland basin. 第三排构造形成于更新世末,变形方式自南向北从叠瓦状逆冲向滑脱挤压过渡。
- Considering the structure and the dynamic elasticity of polymer monolayers， the concept of two-dimensional rubbery state is proposed and some experimental proofs have been given. 本文从聚合物单分子膜结构及动态弹性行为出发，明确提出二维橡胶态的概念，并给出了初步的实验证明。
- Dynamic Measures of Elasticity Model and Damp Ratio to HDF and OSB 两种木质复合材料弹性模量与阻尼比的动态测量
- Elasticity model explained sedimentation mechanism from the Trias in the southern margin of Junggar foreland basin. The basin subsidence range lie on structural load and lithosphere flexibility rigidity. 弹性挠曲模型较好地解释了准噶尔盆地南缘前陆盆地自三叠纪以来的沉降机理,盆地沉降的幅度主要取决于构造负载和岩石圈的抗挠刚度。
- Ideal Elasticity Plasticity model is used to simulate the constitutive relation of soils, and linear elastic model is used for concrete of piles. 地基采用理想弹塑性模型，桩身混凝土用线弹性模型模拟，桩-土界面设置了有厚度的薄单元。
- Statistic characteristic of dynamic elasticity 动态弹性的统计特性
- Logically the elastic model investigations can proceed in parallel with and in conjunction with theoretical analyses. 在逻辑上弹性模型试验能够与理论分析平行并可同时进行。
- The effective elastic modulus of ceramsite is solved by measuring the dynamic elastic modulus of ceramsite concrete and its mortar matrix. 陶粒有效弹性模量系通过测定陶粒混凝土和砂浆基体相应的动弹性模量,然后建立两者的关系式,再采用图解法求得。
- With the increase of initial deviator stress, the dynamic elastic modulus increases greatly under the same level of dynamic strain. 在相同的动应变水平下，随着初始偏移应力的增加，土体动弹性模量有较大幅度的增加；
- There are two criteria,the change of relative dynamic elastic modulus(RDM)and the mass of scaling,for evaluating the resistance of concrete. 采用快速冻融法,以剥落量和相对动弹性模量作为混凝土抗盐冻性能的评定指标,研究了混凝土在3。
- In this paper,Duncan-Chang nonlinear elastic model of soil is transformed intoan elastoplastic model through a clever means. 本文巧妙地将土体的Duncan－Chang非线性弹性模型转化为弹塑性模型。
- There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete. 采用快速冻融法,以质量变化和相对动弹性模量作为混凝土抗冻性能的评定指标,研究了聚丙烯腈纤维在三个体积掺量0。
- This paper adopts the Ducon-zhang soil model, establish a non-linear elastic model of retaining structure of deep foundation pit, and draw up a plane finite element program. 本文采用了邓肯-张土体模型，建立了深基坑支护结构的非线性弹性模型，编制了平面有限元程序。
- The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained. 介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据,并通过有限元模拟与试验验证了其可行性。
- This paper introduces the SFEM, at the same time, considering the random of the elastic model and force, the result is coincidence with the engineering practice. 本文介绍的随机有限元法将随机理论与有限元相结合,充分考虑了矿柱载荷的随机性和弹性模量的随机性,使矿柱可靠度的计算更符合实际。
- However, the change of the frequency has little effect on the degradation of dynamic elastic modulus.The effect of initial deviator stress is significant. 试验结果表明，随着应变的增大，不同频率荷载作用下土样的动弹性模量逐渐减小，但频率的变化对动弹性模量的衰减规律影响很小；
- When anti?analyzing the nonlinear elastic model of geotechnical medium, people usually use Duncan?Chang model. In this model,there are eight parameters relative to elastic modulus and Poisson ratio. 在岩土介质非线性弹性模型的反演分析中,通常采用邓肯-张模型,这一模型中与弹性模量和泊松比有关的参数有8个。
- The variation laws of dynamic elastic modulus and damping ratio for composite sample of cemented clay?clay are studied experimentally by means of triaxial apparatus. Emphasis is laid on the influence of replacement ratio and confining pressure. 通过动三轴试验研究了水泥土复合试样的动模量和阻尼比的变化规律,着重研究了置换率和围压的影响,提出了一种简单实用的计算复合试样动模量和阻尼比的方法,并给出了由试验确定的归一化公式。
