Shear lag is reduced for prestress in serviceability limit state .
在正常使用状态下，预应力平抑了箱梁剪力滞效应。
The contribution of tension flange to the flexural strength of the beam; shear lag concept.
梁的受拉翼缘对受弯承载力的贡献；剪力滞。
The spline Ritz method was proposed and used to analyse the shear lag effect of box girders.
结合样条函数和里兹法提出薄壁箱形梁剪力滞效应计算的样条里兹法。
One simplified mechanics model based on elastic cylinder theory and shear lag model is proposed.
在弹性圆筒理论和剪滞模型基础上提出了考虑界面相与界面层效应的力学简化模型。
Theoretical method of analyzing the effect of shear lag in bridge structures has some deficiency.
分析桥梁结构剪力滞效应的理论方法有许多不足之处。
The analysis of shear lag has an important significance on safety and economy to the design of modern Bridges.
剪力滞效应的分析对于现代桥梁设计的安全性和经济性有较大意义。
The influences of three longitudinal displacement differential functions upon the shear lag are also discussed.
并探讨了不同纵向位移差函数对剪力滞的影响。
When box beam is bent, the assumption that the section is plane is not satisfied and the shear lag is produced.
箱形梁弯曲时，平截面假定已不能满足要求，产生剪力滞效应。
Considering the influence of shear lag effect, displacements of framed tube structures are derived in this paper.
考虑剪力滞后效应影响推导出了框筒结构位移解析解。
The traditional shear lag theory of stress transfer in short fiber reinforced metal matrix composites was modified and improved.
对短纤维增强金属基复合材料应力传递的传统剪滞理论进行了修正和改进。
The homogeneous solution of the differential equation for the shear lag was taken as the displacement pattern of finite segment.
取控制微分方程的齐次解作为梁段的有限元位移模式。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
According to the spare thin-walled structure theory, the displacement trial functions are given by taking the "shear lag effect" into account.
根据空间薄壁结构理论并考虑简体结构的剪力滞后效应建立了简体结构的位移试函数表达式。
In the analysis and design of steel-concrete composite beams, the concept of effective flange width is introduced to consider the impact of shear lag.
钢与混凝土组合梁的设计和分析中，通过引入有效翼缘宽度的概念考虑混凝土翼板中剪力滞后的影响。
The negative shear lag effect of the cantilever and continuous girders is studied and the parameters which influence the shear lag effect is analysed.
就悬臂梁的负剪力滞现象进行理论分析和推导，并结合实际算例来对悬臂梁负剪力滞现象进行参数分析。
By employing the shear lag theory, the basic equations of interfacial mechanics for the elastic zone and the plastic zone are established respectively.
利用界面应力剪滞理论，分别建立弹性区和塑性区的界面力学基本方程。
The adoption of the thin-walled box girder to the Y-shape bridge makes the restrained torsion effect, distortion effect and shear lag effect prominent.
人字形桥梁由于采用了薄壁箱梁结构，其约束扭转、畸变效应及剪力滞比较突出。
On the basis of the variational method, a finite difference solution is presented for shear lag effect in Qiantang River Bridge with box section of varying depth.
本文结合钱塘江二桥应用变分法推导了变截面箱形梁剪滞效应的微分方程并利用有限差分法求得解答。
The dissertation applied the Shear Lag theories in Fiber Reinforced Composite material mechanics to the analysis of stress distribution of the anchored rock mass.
本文将纤维增强复合材料剪切滞理论运用于锚杆加固岩体应力分布规律的研究。
The shear lag effect of the section under concentrated load is more remarkable than that of other sections. National Standard (JTJ023-85) is worth discussing further.
集中力作用处剪力滞效应与其它截面相比明显增大，我国现行桥规（JTJ023-85）中关于有效宽度取全桥等宽的说法需要进一步研究。
The flexural deformation and forces can be calculated by the equivalent continuous system method, in which the main influencing parameters of shear lag are discus sed.
用等效连续体法对弯曲变形及内力进行分析，分析了影响框筒结构剪力滞的主要因素。
Series solutions were derived for the in-plane strain, deflection and bending strain that satisfy the simplified boundary conditions to calculate the shear lag coefficient.
根据简化的边界条件，得到了面内应变和弯曲应变的级数解，进而求得剪力滞后系数。
Finite beam segment method is an effective way to solve the shear lag problem of statically indeterminate structure, such as continuous girder with constant cross section etc.
有限梁段法是求解超静定结构(如连续梁等)剪力滞行之有效的方法。
Based on transformed section method, shear lag effect of continuous box girder was analyzed adopting variational principle, and compared with design code and experimental result.
基于换算截面法，运用变分原理对开裂混凝土连续箱梁的剪力滞效应进行了分析，并与规范方法和试验结果进行了对比。
Each structural parameter of shear lag coefficient is systematically analyzed and compared, the practical calculation tables of shear lag coefficient are drawn and refer to design.
通过对影响剪力滞系数的各结构参数进行分析比较，编制出计算剪力滞系数的实用计算表，可供设计参。
Thinking over the influence of box beams shear lag effect, making use of the governing different equations and related natural boundary conditions of bending vibration to box girder.
考虑箱形截面梁剪力滞后效应的影响，利用推导出的箱形截面梁的弯曲振动方程及其自然边界条件，并据此进一步推导出了多跨箱形截面梁的固有频率方程。
The study demonstrates that the section strain along the width is nonlinearly distributed and that the effect of the shear lag is not constant and changes with the increment of the load.
试验表明，截面应变沿宽度方向呈非线性分布，剪力滞效应随荷载的增加而变化，并不是常量。
A kind of finite segment element model for analysis of shear lag effect in plate and truss composite girder is proposed. The model avoids certain deficiencies in conventional calculations.
提出一种板桁结合梁剪滞效应分析的有限段单元模型，避免了常规计算方法中的某些不足。
Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
以其解析式作为形函数，利用刚度系数的定义，推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
以其解析式作为形函数，利用刚度系数的定义，推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
应用推荐