shear lag

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。

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Studies of Shear Lag in Short Leg Walls by Finite Element Method

异形截面短肢剪力墙剪滞效应有限元分析

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Under dead and live loads, the shear lag effect in box girder of cable-stayed bridge with single tower and single cable plane is comparatively complex, and the shear lag phenomenon in the top or bottom flange plate at positions adjacent to different web plates is variational;

在恒载和活载作用下，独塔单索面斜拉桥箱形主梁的剪力滞效应比较复杂，在顶板或底板的不同肋板处剪力滞现象也可能各不相同；

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Under the action of dead load, the influence of bend radius to the shear lag factor at the baseboard of box girder cap, with the decrease of radius, the response of shear lag effect at inside and outside.

恒载作用下，弯曲半径对箱梁顶底板的剪力滞系数影响很大，随着半径的减小，内外径侧剪力滞效应响应增强。

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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。

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Finite Element Analysis of Shear Lag Effect of Box Girder under Temperature Load

温度荷载作用下箱梁剪力滞效应的有限元分析

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It is a new method displacementform in analysis of shear lag effect on thin-walled box girder.

为薄壁箱梁的剪力滞效应分析提供了新的思路和方法.

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A stiffness method for determining the response of shear lag effect on box girder is presented.

用本文推出的刚度法计算结果与实测及有限元法的结果进行了比较分析.

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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。

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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.

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Under uniformly distributed load, the disposal of cables has obvious influence on shear lag effect in bottom flange plate of box girder of single tower cable-stayed bridge, but disposal of tower has little influence on it;

在均布荷载作用下，斜拉索的布置形式对独塔斜拉桥箱形主梁底板的剪力滞效应有明显的影响，而桥塔的形式对主梁的剪力滞效应基本没有影响；

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A finite segment model has been negative shear lag in box girder with varying depth.

在钢结构箱形截面梁桥设计中,宽翼缘小跨径梁在受力过程中存在的剪力滞后效应是一个不容忽视的问题.

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The spline Ritz method was proposed and 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.

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When self-weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change.

对在跨中底板和支座底板布置通长预应力束的分析表明箱梁自重和预应力的共同作用对箱梁的剪力滞效应有很明显的影响。

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Stiffness method for analysis of shear lag effect on thin-walled box girder

薄壁箱型梁剪力滞效应分析的刚度法

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Analysis of shear lag effect in Qiantang River Bridge with box section of varying depth

钱塘江二桥变截面连续箱形梁剪滞效应的分析

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Concrete creep will cause time-dependent deflection, while shear lag will increase the deflection, thus, it is important to analyze the time-dependent effect in PC box girders with variable depth.

混凝土徐变引起梁体变形随时间而变化，而剪力滞会增加梁体的附加变形，因此，进行考虑剪力滞影响的变截面预应力混凝土箱梁的时变效应分析具有重要的工程意义。

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There will be shear lag effect existing in the thin-walled structure when it is suffered from bending load.

薄壁结构在弯曲荷载作用下存在剪力滞效应。

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The bending moments and the axial forces are separately considered according to little deformation theory and the principle of superposition. Energy differential method is adopted to solve the shear lag effect of the cable-stayed bridges caused by the bending moments, where the beam-column effect is considered.

根据小变形理论和叠加原理，将弯矩和轴力作用分开处理，利用能量变分法来求解弯矩和轴力共同作用下的剪力滞效应，在分析弯矩作用时考虑了梁柱效应。

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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。

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Under the action of load, the box-girder bridge may present the phenomenon of shear lag.

箱形截面梁桥在荷载作用下, 会产生剪力滞效应.

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Considering the non-linear elastic behaviour of concrete, the normal stress at fibre ends and thermal effect on shear stress and normal stress in fibre, the traditional shear-lag theory of stress transfer in short fibre reinforced concrete-matrix composites is improved.

根据混凝土的非线弹性性质、纤维端部应力和由于温度变化产生的温度应力对剪应力及纤维正应力的影响，对短纤维增强混凝土应力传递的剪滞理论进行改进。

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