The creep of concrete with different load ages.
不同加载龄期混凝土的徐变规律。
The sidewall fracture of the shaft and the creep of concrete;
大体积混凝土结构的徐变应力受多种随机因素的影响。
The creep of concrete structures is studied using degenerated beam element.
应用退化梁单元分析了混凝土结构的徐变问题。
The problems in the theory of nonlinear creep of concrete is studied in this paper.
本文研究混凝土非线性徐变理论问题。
Firstly, shrink and creep of concrete is taking into account for curved bridge in this paper.
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。
Research purposes: Creep of concrete has significant influence for prestressed concrete structures.
研究目的：混凝土的徐变对预应力混凝土结构的影响不容忽视。
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 continuously.
详细说明了影响桥梁混凝土耐久性的因素及如何通过设计提高混凝土的耐久性。
Creep of concrete consists of approximate linear creep at the level of low stress and nonlinear creep at the level of high stress.
混凝土的徐变包括低应力水平下的近似线性徐变和高应力水平下的非线性徐变。
Two aspects of properties are related to creep of concrete filled with steel tube(CFT) under axial load:creep function and computational method.
研究钢管混凝土在轴向载荷下的徐变特性涉及两方面：徐变函数和计算方法。
However, creep of concrete and its influence on bridge structures are hard to predict and control. The calculation is very complicated and the results are not accurate.
然而，混凝土的徐变及其对桥梁结构性能影响的预计和控制，是十分复杂又难以获得精确答案的问题。
Based on the research of concrete creep and using the mechanism of concrete creep, the impact of creep of concrete bridge linearity and internal force is studied in this paper.
在混凝土徐变的研究基础上，运用混凝土的徐变产生机理，研究徐变对桥梁结构挠度和内力的影响。
The temperature field was solved by equivalent time-based non-linear heat conduction equation. The creep of concrete at early age was taken into account for solving the stress field.
温度场的求解基于等效时间的非线性热传导方程，应力场求解考虑混凝土初期徐变影响。
Therefore, these values can be used for general creep problems of concrete.
因此可作为一般混凝土徐变问题的中值系数值。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
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。
Creep is also influenced by the maturity of the concrete when the load is first applied and depends on the duration and magnitude of the loading.
蠕变还受混凝土初次承受荷载时的成熟度的影响，该影响取决于荷载的持续时间和重量。
The measured strain of concrete includes the elastic strain, creep strain and also the non-stress strain like the concrete free deformation and temperature strain.
混凝土实测应变包含弹性应变、徐变应变及混凝土自由变形、温度应变等非应力应变。
The creep of basalt aggregate concrete is smaller than that of syenite aggregate concrete.
正长岩骨料的混凝土徐变大于玄武岩骨料的混凝土徐变。
P Creep and shrinkage of the concrete depend on the ambient humidity, the dimensions of the element and the composition of the concrete.
混凝土的蠕变和缩水取决于环境湿度，结构尺寸以及混凝土成分。
A study of concrete creep property is made in this paper.
本文对混凝土徐变性能进行了初步研究。
It may help the readers to understand the computational principle of secondary internal forces due to the creep and shrinkage of concrete.
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。
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.
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；
Shrinkage and creep are the inherent time-dependent characters of concrete which belongs to a viscoelastic material.
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。
Clusters model of fly ash concrete creep gives rational mechanism explanation of fly ash concrete creep, providing a new choice for the fly ash concrete creep prediction.
粉煤灰混凝土徐变的簇模型对粉煤灰混凝土徐变作出了机理性的解释，为粉煤灰混凝土徐变预测提供了一个新的选择。
A noticeable problem of this structure system is that concrete has the characteristics of creep and shrinkage while steel hasn't.
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。
In this paper, a clusters model of fly ash concrete creep was found, applying the related theories of fly ash concrete, the maturity and rheology model.
本文通过应用粉煤灰混凝土、成熟度理论和流变学的相关理论，建立了粉煤灰混凝土徐变的簇模型。
In this model, we assume that the creep deformation of concrete structures is caused by the viscoelastic behavior of concrete.
这个模型认为混凝土结构的徐变变形是由混凝土材料的粘弹性引起的。
The effect of arch degree, creep and shrink of concrete is very distinct.
拱度和混凝土的收缩、徐变的影响比较明显。
In the computation of stress field, the factors, such as temperature load, deadweight of concrete, water potential, creep stress and self expansion of concrete, are involved in the program.
计算中考虑了温度荷载、自重、静水压力、混凝土徐变和自生体积变形等情况。
In the computation of stress field, the factors, such as temperature load, deadweight of concrete, water potential, creep stress and self expansion of concrete, are involved in the program.
计算中考虑了温度荷载、自重、静水压力、混凝土徐变和自生体积变形等情况。
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