| 后张法预应力简支梁上拱度计算的精确公式 |
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| 引用本文： | 李新平,李泽雨,周晶.后张法预应力简支梁上拱度计算的精确公式[J].中南公路工程,2011(5):22-24,32. |
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| 作者姓名： | 李新平 李泽雨 周晶 |
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| 作者单位： | 华南理工大学土木与交通学院; |
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| 基金项目： | 华南理工大学亚热带建筑科学国家重点实验室开发课题(2008KA07) |
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| 摘 要： | 把后张法预应力简支梁看作为压弯构件，考虑几何非线性的影响，通过建立平衡微分法，推导出后张法简支梁在预应力和自重作用下的挠度精确计算公式，并通过算例进行了比较验证。
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| 关 键 词： | 几何非线性 预应力 后张法 上拱度 微分法 |
The Exact Formula of Inverted Camber of Post Stressed Simple Beam |
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| LI Xinping,LI Zeyu,ZHOU Jing.The Exact Formula of Inverted Camber of Post Stressed Simple Beam[J].Central South Highway Engineering,2011(5):22-24,32. |
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| Authors: | LI Xinping LI Zeyu ZHOU Jing |
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| Institution: | LI Xinping,LI Zeyu,ZHOU Jing(College of Civil Engineering and Transportation,South China University of Technology,Guangzhou,Guangdong 510640,China) |
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| Abstract: | This article is derived the exact formula of inverted camber of post stressed simple beam under the dead weight of PC,and verify by an example,through balance differential method,seeming post stressed simple beam as buckling member and considering geometric non-linear. |
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| Keywords: | geometric non-linear prestress post-tensioning inverted camber differential method |
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