1) shrinkage and creep model
收缩徐变模型
2) shrinkage and creep
收缩徐变
1.
Finite element method and application for the shrinkage and creep of concrete bridges;
混凝土桥梁收缩徐变计算的有限元方法与应用
2.
Effect of shrinkage and creep of concrete on curved steel-concrete composite box girder bridges;
混凝土收缩徐变效应对曲线钢-混凝土箱形结合梁桥的影响
3.
Analysis on shrinkage and creep for reinforced concrete column
钢筋混凝土柱收缩徐变分析
3) creep and shrinkage
徐变收缩
1.
It is difficult to predict long-term deflection of cracking concrete members,steel ratio,magnitude of load,creep and shrinkage effect are all the important factors which affect long-term deflection of members.
开裂混凝土构件的长期挠曲变形难以预测,配筋率、荷载大小及徐变收缩效应均是影响构件长期挠曲变形的重要因素。
2.
Formulas are deduced to calculate creep and shrinkage stresses of reinforced concrete beams based on creep transformed-section method,and creep coefficients of plain concrete are obtained according to two years test on concrete columns.
基于徐变换算截面法推导了钢筋混凝土梁徐变收缩引起的截面应力计算公式,根据混凝土柱体2年试验观测,得到了素混凝土的徐变系数。
3.
Based on the inductive analysis to theories, aimed at perfection to software development, the paper expands three modules to the bridge software BridgeMaster about to be developed--data input system, creep and shrinkage analysismodel and pre-stress analysis model.
本文以理论归纳分析为基础，以软件开发完善为目的，对拟开发的桥梁软件Bridge Master扩充了三大模块——数据输入系统、徐变收缩分析模块及预应力分析模块。
4) creep and shrinkage
收缩徐变
1.
The creep and shrinkage of concrete in concrete filled steel tubular(CFST)arch bridge was simulated by finite element method(FEM).
采用大型通用有限元软件ANSYS计算钢管混凝土拱桥拱肋混凝土的收缩徐变量值,将计入混凝土收缩徐变前后的拱桥内力与应力值进行比较,分析混凝土收缩徐变对结构变形的影响,得出了钢管混凝土拱桥收缩徐变的规律:混凝土的收缩徐变使钢与混凝土之间的内力与应力发生了明显改变,引起钢管应力增加,混凝土应力减
2.
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.
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。
5) creep and shrinkage of concrete
砼收缩、徐变
6) shrinkage and creep
收缩和徐变
1.
With each construction stage possibly occurred shrinkage and creep, the boundary constraints increasing or decreasing, prestress tendons tensioning and system conversion etc, the structure geometric linear and stress states also in change.
对箱梁悬臂施工阶段、结构体系转换等典型工况进行分析;建立大桥理想对称施工有限元模型,与实际不对称施工仿真计算结果作对比,研究混凝土收缩和徐变、不对称。
补充资料：收缩
分子式：
CAS号：
性质：是单纯形优化法中的基本操作之一。当以原单纯形中试验效果最有效期的实验点A为基点，沿基点A与单纯形形心点O连线AO之延长线进行反射，反射点D的试验效果在以D点代替A点组成的新单纯形中最差，但仍优于A点，这时以小于反射操作步长L、但大于0.5L的某一步长推移单纯形到CD点，此操作称为收缩。若反射点CD的试验效果比A点还差，则以小于0.5L的某一步长推移单纯形到CA点，此操作称为内收缩。
CAS号：
性质：是单纯形优化法中的基本操作之一。当以原单纯形中试验效果最有效期的实验点A为基点，沿基点A与单纯形形心点O连线AO之延长线进行反射，反射点D的试验效果在以D点代替A点组成的新单纯形中最差，但仍优于A点，这时以小于反射操作步长L、但大于0.5L的某一步长推移单纯形到CD点，此操作称为收缩。若反射点CD的试验效果比A点还差，则以小于0.5L的某一步长推移单纯形到CA点，此操作称为内收缩。
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