The method for determing the dynamic modulus adopted in the present experiment was found not only simple and convenient, but also highly precise.
文中采用的锤击力振动梁测量系统测试动弹性模量快速、简便,并有较高的精度和可信度。
The larger pores in the interior of specimens may be saturated and lead to cracking, which result in the decrease of relative dynamic elasticity modulus.
内部大孔也可能饱和而引起内部开裂,导致相对动弹性模量下降。
Dynamic mechanical thermal analysis showed that the addition of TPR improved the damping of the composite, but decreased the storage modulus and the glass transition temperature of the composite.
复合材料动态力学性能研究表明:TPR的加入提高了复合材料的阻尼性质,却降低了复合材料的存储模量和玻璃化转变温度;
The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites.
土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。
It has a better flex cracking resistance than those of natural rubber but a lower tear strength and a higher dynamic modulus.
它比天然橡胶具有较好的抗挠曲开裂性能,但撕裂强度较低,动态模量较高。
This paper is of practical significance on both design of dynamic foundations and the resonant test for the modulus and bearing capacity of ground.
本文结果对动力机器基础设计、用共振法测定地基的变形模量和承载力具有实用价值。
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。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
采用共振柱试验方法,研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
The storage modulus and damping factor of composites were also characterized through dynamic mechanical analysis (DMA).
此外,采用动态力学分析(DMA)进一步表征了复合材料的储能模量和阻尼因子。
The effect of dynamic shear modulus ratio and damping ratio of soil on the earthquake responses of soil layers is presented in the paper by some examples, especially for the strong earthquake.
本文通过关便指出了不同的土动力特性经验关系对土层地震反应的分析结果将产生不同的影响,特别是对大震作用下的土层反应。
Comparing the dynamic modulus of elasticity of the model in each age with the corresponding values of the test data, we can verified the feasibility of the method.
将求得的各龄期的动态弹性模量与相应的试验数据相比较,验证方法的可行性。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
动三轴试验主要确定土的动剪切模量和土的动阻尼比,而这些参数又是地震动反应分析中的重要参数,该参数的取值小直接影响了桥梁的勘察设计。
The values of the dynamic shear modulus and the damping factor are close to those of sandy soil.
动剪切模量和阻尼特性接近于砂性土。影响阻尼特性最明显的因素是剪应变和周压力。
Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.
对混凝土的抗剪强度、静力及动力剪切模量和弹性模量作了实验研究分析。
A linear relationship was found between the dynamic and static Young's modulus.
动态与静态扬氏模量之间存在着线性关系。
In the process of deformation of frozen soil, the unloaded dynamic elastic modulus is not constant, and tends basically to steady after the strain is more than 1%.
冻土的回弹动弹模,在土体应变过程中为非定值,应变大于1%之后趋于稳定,并随测定时的应变速率加大而变大。
By the test and design for resilient and dynamic modulus of asphalt mixture reinforced by polyester fiber, the new material is further studied in the paper.
本研究旨在通过对聚酯纤维沥青混合料静动态模量的试验研究和设计探讨,对这种新型路面进行更深层次的研究。
Rubber kind high polymer has many dynamic features such as high resilience, low-elastic modulus and viscoelasticity, which are superior to other materials.
橡胶类高聚物具有许多其它材料没有的高弹性、低弹性模量以及粘弹性等优越的动力学性能。
Experiments mainly include dynamic elasticity modulus and dynamic intensity testing.
试验主要包括动弹模试验和动强度试验两项。
An experimental procedure and accompanying method for analyzing recorded data for deriving dynamic tensile strength and elastic modulus of brittle material is presented.
提出了获取脆性材料动态拉伸强度及弹性模量的实验步骤及相关记录数据的分析方法。
The testing method of dynamic modulus for semi-rigid materials is submitted initiatively.
初步确定了半刚性材料的动态模量的试验方法。
Based on the nonlinear model, the dynamic characteristic is simulated, by considering the influence of the environmental and geometrical factors, such as oil modulus, chamber volume etc.
然后,建立系统动态模型,对其动态特性进行非线性仿真研究,并就环境因素变化对系统工作特性的影响作了详细分析。
The supersonic wave value and the dynamic modulus of elasticity are increased by high pressure consolidation grouting.
高压固结灌浆结果达到了提高坝基岩石超声波值和动弹模量的目的;
The static and dynamic damage to the concrete was related as a function of the difference in the initial elastic modulus for static and dynamic loading conditions.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
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。
A new formula for evaluating the maximum dynamic shear modulus of the sand under the anisotropic consolidation is presented by using the resonant column method.
采用共振柱试验方法,提出了一个非均等固结下砂土最大动剪切模量新的增长公式。
Other studies show that the wood static elastic modulus and the dynamic elastic modulus are different.
研究表明,木材在静载和动载下的弹性模量有所不同。
A dynamic damage constitutive model was developed accounting for the effect of the initial elastic modulus of the concrete for dynamic analyses of concrete structures.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
Contrast quivalent dynamic shear modulus and damping ratio of different soil types.
最后分析了同类土静、动强度参数之间的比例关系;
The response to electric field of the composite systems was studied by measure of compression modulus of the elastomers and dynamic-exam of resistance in the cure .
通过对弹性胶体压缩模量的测试和胶凝过程中电阻的动态监测,研究了胶体体系对电场的响应行为。
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