| 大桥混凝土徐变控制研究及预测 |
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| 引用本文： | 杨旸. 大桥混凝土徐变控制研究及预测[J]. 国外建材科技, 2011, 32(2): 37-38,58. DOI: 10.3963/j.cn.42-1783.TU.2011.02.011 |
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| 作者姓名： | 杨旸 |
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| 作者单位： | 安徽省蚌埠市公路管理局,蚌埠,233000 |
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| 摘 要： | 混凝土收缩、徐变的控制和准确预测在世界范围内一直是个难题。论文针对已建高速铁路特大跨预应力混凝土连续梁徐变变形进行深入研究,讨论了混凝土收缩与徐变引起的构件预应力损失,并用数值方法分析构件预应力损失后的力学变化。解决了以往由于没有实测数据作参考而造成预测不准确的问题。
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| 关 键 词： | 大桥 预测 收缩徐变 |
Bridge Inspection of Concrete Creep and Prediction |
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| YANG Yang. Bridge Inspection of Concrete Creep and Prediction[J]. Science and Technology of Overseas Building Materials, 2011, 32(2): 37-38,58. DOI: 10.3963/j.cn.42-1783.TU.2011.02.011 |
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| Authors: | YANG Yang |
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| Affiliation: | YANG Yang(Bengbu Administrative Bureau for Roads,Bengbu 233000,China) |
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| Abstract: | Aiming at the high-speed railway track has been built large span prestressed concrete continuous beams to study creep deformation,summarizes the results of numerous studies,the paper discusses the calculation of shrinkage and creep of concrete elements caused by prestress loss,and with the numerical method pre-members loss of the mechanical stress changes. |
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| Keywords: | bridge prediction shrinkage and creep prediction |
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