| 配置HRB500级钢筋的UPPC梁挠度计算 |
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| 引用本文： | 郭蓉,张宝虎,蔡秀艳,李昕桐.配置HRB500级钢筋的UPPC梁挠度计算[J].河北工业大学学报,2012,41(3):89-91. |
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| 作者姓名： | 郭蓉 张宝虎 蔡秀艳 李昕桐 |
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| 作者单位： | 1. 河北工业大学土木工程学院,天津,300401
2. 天津市公路工程总公司,天津,300251 |
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| 基金项目： | 河北省交通运输厅科技项目 |
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| 摘 要： | 研究了配置HRB500级非预应力高强钢筋的无粘结部分预应力混凝土梁(UPPC梁)疲劳荷载作用下的挠度计算方法,根据试验结果提出了新的残余挠度与疲劳荷载作用挠度(瞬时挠度)的计算公式.计算结果与试验结果吻合较好.
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| 关 键 词： | HRB500级钢筋 无粘结部分预应力 挠度计算 疲劳试验 |
Deflection calculation of UPPC beams with HRB500 steel bars |
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| GUO Rong
,
ZHANG Bao-hu
,
CAI Xiu-yan
,
LI Xin-tong.Deflection calculation of UPPC beams with HRB500 steel bars[J].Journal of Hebei University of Technology,2012,41(3):89-91. |
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| Authors: | GUO Rong ZHANG Bao-hu CAI Xiu-yan LI Xin-tong |
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| Affiliation: | 1(1.School of Eivil Engineering,Hebei University of Technology,Tianjin 300401,China;2.Tianjin Highway Engineering General Company,Tianjn 300251,China) |
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| Abstract: | The paper studies deflection calculation method of unbounded partially prestressed concrete beams(UPPC Beams) with HRB500 non-prestressed high-strength bars under fatigue loading.According to the test results,the new formula for residual deflection and deflection(instantaneous deflection) under fatigue loading is proposed.The results computed by the formula are in good agreement with the test results. |
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| Keywords: | HRB500 steel bars unbounded partially prestressed deflection calculation fatigue test |
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