| 体外预应力FRP筋混凝土梁承载力计算 |
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| 引用本文： | 詹界东,杜修力,王作虎. 体外预应力FRP筋混凝土梁承载力计算[J]. 科学技术与工程, 2011, 11(9) |
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| 作者姓名： | 詹界东 杜修力 王作虎 |
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| 作者单位： | 1. 东北石油大学土木建筑学院,大庆,163318;北京工业大学建筑工程学院,北京,100124
2. 北京工业大学建筑工程学院,北京,100124 |
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| 基金项目： | 国家自然科学基金重点项目(50838001)资助 |
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| 摘 要： | 纤维增强塑料(FRP)作为一种新型高性能的结构材料,具有轻质、高强和抗腐蚀等特点,在土木工程中是一种具有发展前景的新型预应力筋用材。采用应变折减的方法推导了体外预应力FRP筋混凝土梁承载力的计算方法,并将计算结果与试验数据进行了对比。研究结果表明本文推导的计算方法可以作为体外预应力FRP筋混凝土梁承载力的计算公式。
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| 关 键 词： | 体外预应力混凝土梁 FRP筋 承载力 |
| 收稿时间： | 2010-12-29 |
| 修稿时间： | 2010-12-29 |
The Ultimate Strength of External Pre-stressed Concrete Beam with FRP Tendons |
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| ZHAN Jie-dong,and WANG Zuo-hu. The Ultimate Strength of External Pre-stressed Concrete Beam with FRP Tendons[J]. Science Technology and Engineering, 2011, 11(9) |
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| Authors: | ZHAN Jie-dong and WANG Zuo-hu |
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| Affiliation: | ZHAN Jie-dong1,2,DU Xiu-li2,WANG Zuo-hu2 (School of Civil Engineering and Architecture,Northeast Petroleum University1,Daqing 163318,P.R China,School of Civil Engineering,Beijing University of Technology2,Beijing 100124,P.R China) |
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| Abstract: | As a new structural material,FRP(fiber reinforced plastics) features light weight,high strength,corrosion resistance,etc.,and have a bright future when used for a new type of pre-stressing tendon in engineering structures.How to calculate the ultimate strength of external pre-stressed concrete beam with FRP tendons by means of strain reduction is introduced.Comparing with the test data,it indicates that satisfactory results may be obtained using the presented method. |
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| Keywords: | external pre-stressed concrete beam FRP tendons ultimate strength |
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