对将来高速客运专线轨道梁徐变的研究方向进行了展望。
In the end, research prospect in the future is made for high-speed dedicated passenger railway track girders in this paper.
与相应的水平加劲梁和不考虑收缩、徐变影响的计算结果比较，差值均在20%以上。
Compared with corresponding horizontal stiffening girder and the computational result without concrete's shrink and creep, the difference is more than 20%.
混凝土的收缩徐变和车辆超载是大跨度连续梁桥主梁下挠严重的主要因素之一。
The creep is the main reasons why the deflection of the girder is larger than that of code.
再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
本文针对体外预应力混凝土简支梁的受力、变形特点，提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
应用退化梁单元分析了混凝土结构的徐变问题。
The creep of concrete structures is studied using degenerated beam element.
江津观音岩长江大桥为结合梁桥，为防止桥面板湿接缝在约束条件下产生裂缝，该桥面板湿接缝要求采用微膨胀混凝土，以补偿混凝土的收缩、徐变。
In order to prevent the cracks that would be likely caused by restricted conditions of the wet-joint, the wet-joint demands using expansive concrete to compensate the shrinkage and creep.
然后采用该方法分析徐变对结合梁中的应力重分布的影响，并对徐变的影响进行参数分析。
With this method, the influence of creep on stress redistribution in composite beams has been analyzed, and rheologic parameters was studied .
提出了钢与混凝土简支组合梁的徐变效应简化分析方法，建立了粘弹性分析的数学模型。
A simplified method for analysis of creep effects in steel-concrete simply supported composite beams is presented. The mathematical models of viscoelastic analysis are created.
针对预弯组合梁的施工特点，建立了一套综合考虑混凝土的收缩、徐变及钢材松弛影响的时效分析方法。
Based on the construction peculiarity of preflexed beam bridges, an analytical method is proposed for predicting properties of bridges structures.
以广州东沙大桥独塔边跨带辅助墩的混合梁双索面斜拉桥为例，采用对比分析的方法，定量分析结构自重、临时荷载、结构刚度、混凝土收缩徐变这些因素对混合梁斜拉桥成桥状态的影响。
The influences of dead weight of structure, temporary load, structural stiffness, creep and shrinkage in concrete effect on finished dead state of hybrid girder cable-stayed bridge were analysed.
本文研究考虑非线性徐变和收缩时钢筋混凝土梁长期挠度计算方法。
Calculating method for the long-term deflection of r. C. beams with cracking section, considering the nonlinear creep stress and shrinkage stress, is presented in the paper.
但在现役桥梁中，却普遍出现了梁体徐变上拱过大的问题。
However, too much creep generally appeared in prestressed concrete simply supported beam bridge in use.
混凝土的收缩徐变会引起混凝土连续梁桥不断上拱或下挠。
The shrinkage and creep of concrete will make concrete continuous beam Bridges hogging or deflecting...
混凝土的收缩徐变会引起混凝土连续梁桥不断上拱或下挠。
The shrinkage and creep of concrete will make concrete continuous beam Bridges hogging or deflecting...
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