| 1. | Prediction of the effective modulus for fiber reinforced composite
纤维增强复合材料的有效模量预测 |
| 2. | Effective moduli of composites based on confocal ellipsoid model
基于共焦点椭球构型的复合材料有效性质预测 |
| 3. | Effective modulus of composite materials with doubly periodic rigid line inclusions of unequal length subject to antiplane shear
含双周期不等长刚性线材料有效反平面剪切模量研究 |
| 4. | The relation between poroelastic modulus and effective modulus of rock under dry and fluid - saturated conditions was discussed in this paper
论述了在干燥和饱和两种情况下，岩石的有效体积模量于孔隙弹性模量的关系。 |
| 5. | Finally , the mori - tanaka estimate is used to evaluate the effective moduli of polygon - shaped fibers composites having slightly weakened interface
最后，采用mori - tanaka理论计算非完美界面条件下纤维增强复合材料的有效模量，其中纤维的横截面为凸多边形。 |
| 6. | The creep data of frp jacket were obtained in the test . 3 . the analytical studies were carried out using the age - adjusted effective modulus method for creep of concrete , combined with the findley ’ s power law
3 .采用龄期调整有效模量法( aemm )计算混凝土徐变,结合findley模型计算frp徐变,建立了损伤加固柱的徐变计算模型。 |
| 7. | By laplace transforming the governing equation of the problem of unidirectional fiber reinforced composite materials , the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained . according to correspondence principle of viscoellastic mechanics and elastic , mechanics , the results of effective moduli for several s are obtained by using the finite element method of the homogenization . then effective relaxation moduli should be curve - fitted , according to the viscoelastic relaxation modulus formulae of many viscoelastic materials
首先对单向纤维增强复合材料粘弹性问题的控制方程进行laplace变换，在像空间s中利用均匀化理论建立宏观松弛模量的laplace变换泛函形式，根据粘弹性-弹性对应原理，用均匀化问题的有限元方法预报单向纤维增强复合材料在相空间中多个离散点的本构关系，然后根据典型粘弹性材料的松弛模量具有的函数形式进行曲线拟合，再通过对拟合出的函数进行laplace逆变换，从而再回到时间t域，就得到了单向纤维增强复合材料的松弛模量。 |
| 8. | Using the time dependent finite element method of age - adjusted effective modulus , the author calculates the deflection which is induced by shrinkage and creep in a continuous rigid frame bridge of urban rail transit , and further compares with the site test result , the conclusion is very meaningful
摘要采用按龄期调整有效模量的时变分析有限元法，对城市轨道交通预应力混凝土连续刚构桥的收缩徐变变形进行了理论计算，并与实测结果进行了对比分析，结果表明理论计算是可信的。 |
| 9. | Abstract : this paper studies several main codes of prestressed concrete in the world and analyses their methods to calculate the long - term stress losses . all these methods are divided into two groups . the author introduces the theory of the first group ? ? “ the age - adjusted effective modulus method ( aemm ) ” and analyses how to determine the modulus used in these methods . then , as example , two prestressed concrete beams are calculated to compare the result of different methods . at last , some recommendations for the calculation of long - term stress losses are given to improve the present code of our country
文摘:定性分析了国内外几本主要规范、规程和建议中关于预应力长期损失的计算方法，将其分为两类，推导了第一类方法的理论基础? ?龄期调整的有效模量法，详细分析了第一类计算方法中各系数的取值，并以两根预应力混凝土梁为例对各方法的计算结果进行了定量分析，最后对我国预应力长期损失计算方法提出了改进建议。 |
| 10. | This paper studies several main codes of prestressed concrete in the world and analyses their methods to calculate the long - term stress losses . all these methods are divided into two groups . the author introduces the theory of the first group ? ? “ the age - adjusted effective modulus method ( aemm ) ” and analyses how to determine the modulus used in these methods . then , as example , two prestressed concrete beams are calculated to compare the result of different methods . at last , some recommendations for the calculation of long - term stress losses are given to improve the present code of our country
定性分析了国内外几本主要规范、规程和建议中关于预应力长期损失的计算方法，将其分为两类，推导了第一类方法的理论基础? ?龄期调整的有效模量法，详细分析了第一类计算方法中各系数的取值，并以两根预应力混凝土梁为例对各方法的计算结果进行了定量分析，最后对我国预应力长期损失计算方法提出了改进建议。 |
