| 钢筋混凝土矩形薄板徐变效应分析 |
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| 引用本文： | 胡狄,翁运新,余志武.钢筋混凝土矩形薄板徐变效应分析[J].工程力学,2011(3):185-190. |
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| 作者姓名： | 胡狄 翁运新 余志武 |
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| 作者单位： | 中南大学土木建筑学院; |
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| 基金项目： | 中国博士后科学基金项目(2009); 中南大学博士后科学基金项目(2008) |
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| 摘 要： | 基于弹性薄板理论和按龄期调整的有效模量法思想,分析钢筋混凝土矩形薄板徐变效应,建立了考虑混凝土徐变和钢筋约束影响的时变弹性曲面微分方程,并给出了四边简支和四边夹支的钢筋混凝土矩形薄板的徐变效应计算公式,可方便求解任意时刻薄板挠度和混凝土、钢筋的应力.
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| 关 键 词： | 钢筋混凝土 薄板 徐变效应 钢筋约束 弹性曲面微分方程 |
ANALYSIS OF CREEP EFFECT ON REINFORCED CONCRETE THIN PLATES |
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| HU Di,WENG Yun-xin,YU Zhi-wu.ANALYSIS OF CREEP EFFECT ON REINFORCED CONCRETE THIN PLATES[J].Engineering Mechanics,2011(3):185-190. |
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| Authors: | HU Di WENG Yun-xin YU Zhi-wu |
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| Affiliation: | *HU Di,WENG Yun-xin,YU Zhi-wu(School of Architecture and Civil Engineering,Central South University,Changsha,Hunan 410075,China) |
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| Abstract: | Based on the elastic theory of a thin plate and the idea of age-adjusted modulus method,the creep effect on rectangular thin reinforced concrete plates is analyzed.The differential equation of elastic curve is established considering the effect of concrete creep and steel restraint,and the formulae for calculating creep effect on rectangular thin reinforced concrete plates with four simply supported sides and four fixed sides are respectively deduced,which can calculate the deflection of the plate and stres... |
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| Keywords: | reinforced concrete thin plate creep effect steel restrain differential equation of elastic curve |
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