利用该程序分析混凝土收缩徐变对结构变形和内力的影响。
Structure deflection and inner force are analyzed by using the program for concrete shrinkage and creep.
由于混凝土收缩徐变是随时间变化的,导致不同龄期的混凝土引起的效应有很大的区别。
As the change of shrinkage and creep for concrete is with the time, lead huge differences in the effects caused by concrete at different ages.
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.
拱度和混凝土的收缩、徐变的影响比较明显。
The effect of arch degree, concrete's shrink and creep is distinct.
收缩和徐变是混凝土作为粘弹性材料的一种固有的时变特性。
Shrinkage and creep are the inherent time-dependent characters of concrete which belongs to a viscoelastic material.
拱度和混凝土的收缩、徐变的影响比较明显。
The effect of arch degree, creep and shrink of concrete is very distinct.
混合结构的一个突出问题是混凝土有徐变收缩的性质,而钢无此性质。
A noticeable problem of this structure system is that concrete has the characteristics of creep and shrinkage while steel hasn't.
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.
试验研究了水泥用量、矿物掺合料、龄期对高性能混凝土收缩、徐变的影响规律。
The laws of influences from usage amount of cement, mineral admixtures and concrete age on shrinkage and creep of high performance concrete are studied through tests.
它将有助于读者对混凝土徐变和收缩次内力计算原理的理解。
It may help the readers to understand the computational principle of secondary internal forces due to the creep and shrinkage of concrete.
混凝土徐变收缩分析是桥梁结构分析中的基本问题,已有多种较成熟的计算方法。
The analysis for concrete creep and shrinkage is a common problem in the bridge structural analysis, and there are many popular methods available now.
此外,还对核心混凝土的徐变,收缩及温度影响作了分析。
Furthermore, the effects of creep, shrinkage and temperature of core concrete are investigated.
混凝土的收缩和徐变较不引气混凝土相比较小;耐久性能明显改善。
The air entraining concrete's shrinkage and creep were less than concrete which not content air entrained agent, and the durability performance was improved obviously.
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.
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.
混凝土的徐变和收缩是长期荷载作用下混凝土结构裂缝宽度扩大的主要影响因素。
The creep and shrinkage of concrete is the major problem that leads to the enlargement of crack width in concrete structures, under the action of long-term load.
讨论了混凝土收缩简化计算方法及混凝土徐变对温度及收缩应力计算的影响;
The paper studies the simplification calculation method of concrete shrinkage and the calculation of temperature and shrinkage stress that takes the effects of concrete creep into account.
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.
本文首先分析混凝土收缩和徐变对曲线桥力学性能的影响。
Firstly, shrink and creep of concrete is taking into account for curved bridge in this paper.
主要研究内容如下:1、观测得到素混凝土及钢管混凝土的收缩(膨胀)徐变曲线。
This thesis observes the shrink and creep curve of plain concrete and concrete filled steel tubes.
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.
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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