长富金茂大厦混凝土收缩徐变分析及结构设计-建筑结构 关键词]收缩徐变;影响规律;内力重分布 [gap=1598]Keywords:concrete shrinkage and creep; effect pattern; internal force weight distribution
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...载 关键词:桥梁工程;加固改造;收缩徐变;界面应力 [gap=1207]Key words: bridge construction;reinforcement;shrinkage ang creep;infcrfacial stress ...
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【Key words】 suspended system; mega-frame-tube; damping; structure control; shrinkage creep; process of construction; prestress; joint;
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混凝土收缩徐变 concrete shrinkage and creep
With theses theories,shrinkage and creep effect of steel-concrete composite deck system of a double-deck steel bridge are analyzed. The shrinkage and creep effect of double concrete deck is compared.
总结分析了混凝土和钢混组合梁的收缩徐变的计算理论,探讨了钢-混凝土组合桥面系收缩徐变的有限元分析方法,应用这些理论对某双层钢桁桥的钢-混凝土组合桥面系进行了收缩徐变效应分析,比较了双层混凝土板的收缩徐变效应。
参考来源 - 钢Suspension bridge, a multi-hyperstatic and flexible structure, whose construction method is special. Due to the geometrically nonlinear load-deflection relationship, it is very sensitive to the influence of temperature and creep and shrinkage of concrete.
悬索桥是一种高次超静定柔性结构,其施工方法独特,结构受力、变形表现为显著的几何非线性,对温度变化、混凝土收缩徐变非常敏感。
参考来源 - 索鞍无预偏施工钢混叠合梁悬索桥全过程时变效应分析An overview on the existing literature, several hypotheses of creep and shrinkage principle was summarized. The parameters affecting concrete creep and shrinkage were discussed.
在现有关于混凝土收缩徐变文献的基础上,总结了各种收缩徐变机理假说,讨论了影响混凝土收缩徐变的主要因素。
参考来源 - 曲线预应力混凝土箱梁收缩徐变效应研究This paper studies the shrinking creep of concrete to some extent.
对钢管混凝土的收缩徐变进行了一定程度的研究。
参考来源 - 大跨度钢管混凝土提篮拱桥施工控制关键技术研究The shrinkage and creep are the inherent time-dependent characteristics of concrete. It has a profound influence to estimate and predict, accurately, for massive concrete.
收缩和徐变是混凝土材料本身固有的时变特性,正确的估计和预测收缩徐变对大体积超长混凝土结构有重要的影响。
参考来源 - 箱形设备基础收缩徐变及温度应力分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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.
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.
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.
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