| 1. | Testing concrete - recommendations for the measurement of dynamic modulus of elasticity
混凝土试验.第209部分:动态弹性模量测定的推荐方法 |
| 2. | Natural stone test methods - determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency
天然石料试验方法.弹性的动态模量的测定 |
| 3. | Testing of carbonaceous materials - determination of dynamic modulus of elasticity by pulse excitation - solid materials
炭素材料试验.采用脉冲激励法测定动态弹性模量.固体 |
| 4. | Methods of test for dynamic modulus of elasticity , rigidity and poisson ' s ratio of concrete by resonance vibration
用共振法测定混凝土的动态弹性模量刚性模量及泊松比的试验方法 |
| 5. | Natural stone test methods - determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency ; german version en 14146 : 2004
天然石料试验方法.弹性的动态模量测定 |
| 6. | With changing the value of every parameter of the model , we can analyse the impact on the dynamic modulus of elasticity " of every parameter
然后，改变模型各参数的值，分析各参数对动态弹性模量的影响。 |
| 7. | 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。 |
| 8. | This means the saturation degree of concrete is different . by means of analyzing the l9 ( 34 ) orthogonal table , the air content is the chief factor , the second factor is water binder ratio and the third is mineral admixture in both high water pressure and low water pressure . the water saturation degree of concrete in damaging point ( e6 / e0 = 60 % ) can be found by measuring the dynamic modulus of elasticity after six freezing - thawing cycles
采用l9 ( 34 )正交表对水胶比、含气量和掺合料三个因素进行分析,试验结果表明:在自然情况下,影响混凝土水饱和系数的主要因素是水胶比,而影响混凝土在盐溶液中饱和系数的主要因素则是含气量;在水压力作用下,无论压力大小,混凝土水饱和系数的影响次序依次为含气量、水胶比、掺合料。 |
| 9. | The test result shows that the water binder ratio is the chief factor in damaging point . the saturation of concrete and the higher degree of saturation in the surface layer of specimens can be used to explain the damage form of specimens in the freezing - thawing , which include change of relative dynamic modulus of elasticity and weight
通过测定饱水受冻6次后混凝土试件的相对动弹性模量,可以计算出混凝土破坏时( e6 / e0 = 60 % )相对应的水饱和系数,即极限水饱和系数,试验结果表明对试件极限水饱和系数而言,水胶比影响显著。 |
| 10. | The job of this paper was divided into two parts mainly . firstly , the numerical simulation approach for polygonal aggregate was presented . secondly , the space analysis model for dynamic modulus of elasticity of concrete was set up , and a series of theories analysis and calculations to the model were performed
本文的工作主要分为两部分，首先提出了混凝土多边形骨料的数值模拟方法，然后为了研究混凝土的动态弹性模量建立了空间分析模型，并对模型进行了一系列理论分析和计算。 |
