| 预应力混凝土空心板梁的温度应力分析 |
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| 引用本文： | 郑海荣.预应力混凝土空心板梁的温度应力分析[J].力学与实践,1999,21(3):34-36. |
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| 作者姓名： | 郑海荣 |
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| 作者单位： | 南京交通高等专科学校 |
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| 摘 要： | 以南京新机场高速公路施工预制场预制的预应力空心板梁由于温度应力产生的裂缝为例，进行了温度应力的分析和计算，并提出了裂缝的预防和弥补的措施．
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| 关 键 词： | 温度应力 内约束应力 外约束应力 预应力混凝土 |
| 收稿时间： | 2006-07-19 |
THE TEMPERATURE STRESS ANALYSIS OF THE PRESTRESSED CONCRETE HOLLOW BEAM |
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| ZHENG Hairong.THE TEMPERATURE STRESS ANALYSIS OF THE PRESTRESSED CONCRETE HOLLOW BEAM[J].Mechanics and Engineering,1999,21(3):34-36. |
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| Authors: | ZHENG Hairong |
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| Abstract: | In this paper, the temperature stress isanalyzed and calculated. An example is taken fromthe crackings appeared at the prestressed concretehollow beam of precast girders in the Nanjing newairport freeway. The precaution and the rehabilitation of the crackings airs proposed. |
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| Keywords: | temperature stress inner bound stress outside bound stress prestressed concrete |
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