提出了一种估计既有混凝土的弹性模量的新方法。
This paper raise a new method on estimating the modulus of existing concerte elasticity based on the Evidence Theory.
试验结果表明桥墩混凝土的弹性模量变化不但影响基岩承载力，而且桥墩弹性模量与基岩弹性模量之间存在着某一最佳匹配。
The results indicate that not only is rock limit bearing capacity affected by elastic modulus variation, but also there is an optimal value between elastic modulus of the bridge pile and that of rock.
试验结果表明：粉煤灰单掺会降低再生骨料混凝土的弹性模量，粉煤灰与矿渣双掺对弹性模量的影响随两者组合比例不同而有显著差异。
The experiment results show that that the elastic modulus is reduced when fly ash only was added to RAC and present a significant difference with the rate of fly ash and slag content.
有效弹性模量能比较真实地反映混凝土中陶粒对混凝土弹性模量的贡献，并且包括了各种因素对陶粒弹性模量的综合影响。
So the effective elastic modulus really shows the contribution of ceramsite to the elastic modulus of concrete and also includes the influence of different factors on the elastic modulus of ceramsite.
有效弹性模量能比较真实地反映混凝土中陶粒对混凝土弹性模量的贡献，并且包括了各种因素对陶粒弹性模量的综合影响。
So the effective elastic modulus shows more really the contribution of LWA to the elastic modulus of concrete and also includes the influence of different factors on the elastic modulus of LWA.
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。
The relationships between strain rate and the elastic modulus, critical strain, Poisson's ratio and energy absorption capacity of concrete are still studied.
最后，提出了C45细石混凝土弹性模量和简化三直线混凝土应力-应变关系曲线的计算公式。
Finally, the formulation of both modulus of elasticity and simplified stress-stain relationship curve on C45 fine aggregate concrete were proposed.
弹性模量是塑性混凝土的一项重要力学性能指标。
The elastic modulus is one important mechanical performance index of plastic concrete.
试验还表明，当混凝土强度达到受冻临界强度后，随着负温值的增大其强度缓慢增长，弹性模量也有缓慢增长。
The experiment also shows that after the concrete strength reach the frost-resisting critical strength, its strength and elasticity module will increase slowly with the decrease of the temperature.
提出了三种混凝土损伤定量计算的方法，同时还得到了推算无损混凝土弹性模量和强度的方法。
This paper presents three quantitative analyses of concrete damage and the method how to calculate the undamaged elastic modulus and undamaged strength.
本文探讨了影响混凝土弹性模量的各种因素，并对混凝土的抗压强度与弹性模量之间的关系进行了说明。
In this paper, we discuss the factors which affect the elastic modulus of concrete and explain the relationship between the compressive strength and the elastic modulus of concrete.
结果表明，石屑混凝土的抗压强度、劈拉强度、轴心抗压强度比普通混凝土高，弹性模量略大于普通混凝土；
The results showed that the strength of stone-chip concrete is higher, and the modulus of elasticity is slightly higher than that of ordinary concrete.
试验结果表明，随着再生骨料掺入量的增加，混凝土的回弹值、抗压强度、劈裂抗拉强度、抗折强度和弹性模量均有不同程度的降低。
The result shows the concrete rebounding value, compressing strength, tensile splitting strength, rupture strength and elastic modulus are reduced in different degree by adding recycled aggregates.
基体的强度和弹性模量从零开始增加，到一定龄期后接近集料分散相，对于轻集料混凝土，基体的强度和刚度在一定龄期还将超过集料分散相。
The strength and modulus of elasticity of matrix increase from almost zero, then at a certain age up to those of the coarse aggregate, and even exceed for lightweight concrete.
研究表明：粉煤灰通过改变胶凝材料体系水化速度、徐变系数、弹性模量，可以有效抑制早期混凝土的自收缩。
The research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder, such as hydrated velocity, creep coefficient, elastic modulus and so on.
试验结果表明：粉煤灰单掺降低了再生骨料混凝土的强度和弹性模量；
The experimental results show that the strength and elastic modulus of RAC are reduced when containing fly ash only.
主要研究了不同弹性模量的钢纤维、聚丙烯纤维和聚丙烯腈纤维混杂对水泥混凝土的干燥收缩性能的影响。
In this paper, the effects of the steel fibers of different elastic modules, polypropylene fibers and polyacrylonitrile fibers on the dry shrinkage of concrete are studied.
采用热-结构耦合分析的方法对水化热引起的空心薄壁墩的温度效应进行分析，计算中考虑了混凝土弹性模量随龄期的变化。
This paper obtained the temperature effect caused by heat of hydration in hollow thin pier by thermal-stress analysis, considering the change of elastic modulus followed by time.
在试验的基础上分析了塑性混凝土弹性模量采用不同标距的两种测试方法，得出了测试塑性混凝土弹性模量较为理想的方法。
On the base of tests, two kinds of measuring methods adopting different standard distance of the elastic modulus of plastic concrete have been analyzed and a more reasonable method has been found.
该模型考虑了水影响下的水泥后期水化和孔隙水的粘滞力对饱和混凝土弹性模量的影响。
The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model.
提出了考虑不均匀界面时混凝土弹性模量预测的解析法。
An analytical method is presented for predicting the elastic modulus of concrete with the inhomogeneous interfacial transition zone (ITZ).
混凝土抗冻融300次时，动弹性模量为97%，混凝土具有优良的抗冻融耐久性。
The concrete with this product has excellent anti-frost durability, with a relative dynamic elastic modulus of 97% after 300 cycles of freezing-and-thawing.
导出了钢管混凝土柱弹性本构方程、组合轴压弹性模量和组合轴压刚度的理论计算公式。
The elastic constitutive equations, the composite elastic modulus and the composite axial compression stiffness of CFST are derived.
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。
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.
对冻融循环试验结果研究，提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.
结果表明：相对于普通混凝土，随着再生粗骨料取代率的增加，再生粗骨料混凝土具有强度和弹性模量降低等特点；
The results show that the compressive strength and elastic modulus of recycled coarse aggregate concrete are lower compared with conventional concrete.
对轻骨料高强度钢纤维混凝土的抗压强度、初裂强度、弯曲强度、弹性模量和弯曲韧性指数等主要力学指标进行了试验研究。
The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.
由于混凝土的力学特性随施工龄期变化，导致响应的时变性，如弹性模量。
Because the changes of the concrete structure dynamics properties will happen during pouring process, the responses are the transient responses. For example, the elastic modules.
在满足结构安全受力的前提下，减小衬砌混凝土弹性模量，可以减小地面振动。
Under the premise of satisfied structural safety, reducing the elastic modulus of the concrete lining decreases the ground vibration caused by subway train operation.
在满足结构安全受力的前提下，减小衬砌混凝土弹性模量，可以减小地面振动。
Under the premise of satisfied structural safety, reducing the elastic modulus of the concrete lining decreases the ground vibration caused by subway train operation.
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