[1]张利梅,赵顺波,黄承逵.高效预应力混凝土梁受力性能试验研究[J].东南大学学报(自然科学版),2005,35(2):288-292.[doi:10.3969/j.issn.1001-0505.2005.02.028]
　Zhang Limei,Zhao Shunbo,Huang Chengkui.Experimental study on flexural load-bearing capacity of high efficient prestressed concrete beams[J].Journal of Southeast University (Natural Science Edition),2005,35(2):288-292.[doi:10.3969/j.issn.1001-0505.2005.02.028]
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高效预应力混凝土梁受力性能试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
35
期数:
2005年第2期
页码:
288-292
栏目:
土木工程
出版日期:
2005-03-20

文章信息/Info

Title:
Experimental study on flexural load-bearing capacity of high efficient prestressed concrete beams
作者:
张利梅1;  赵顺波2;  黄承逵1
1 大连理工大学土木水利学院, 大连 116023; 2 华北水利水电学院土木工程系, 郑州 450008
Author(s):
Zhang Limei1;  Zhao Shunbo2;  Huang Chengkui1
1 Institute of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116023, China
2 Department of Civil Engineering, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450008, China
关键词:
预应力混凝土;  高强混凝土;  梁;  承载力;  破坏形态
Keywords:
prestressed concrete;  high-strength concrete;  beam;  ultimate load-bearing capacity;  failure mode
分类号:
TU378
DOI:
10.3969/j.issn.1001-0505.2005.02.028
摘要:
为了研究高效预应力混凝土受弯构件的受力性能,对24根预应力混凝土梁进行了试验研究,分析了混凝土强度等级、预应力比率、配筋指数、钢绞线的延伸率等参数对试件裂缝、变形、受弯承载力和破坏形态的影响,并与规范(GB 50010—2002)进行了比较.研究结果表明, 受拉区仅配置预应力钢绞线的高效预应力混凝土受弯构件在正常使用阶段裂缝宽度和挠度可以控制,且钢绞线延伸率大小对其破坏形态有直接影响,并建议结构设计时应考虑钢绞线的延性对破坏形态的影响.
Abstract:
Twenty-four prestressed concrete beams were tested under static loading with constant amplitudes to investigate their flexural load-bearing capacity. Several factors are considered, such as grade of concrete strength, prestress ratio, reinforcement index and percentage elongation of steel strands. Effect of such factors on crack width, deformation flexural load-bearing capacity and failure mode are analyzed. The results are compared with the code(GB 50010—2002). It is concluded that crack width and deformation of high efficient prestressed concrete beams only with steel cable can still be under control, and the percentage elongation of steel strands has direct effect on the failure mode of the beams, and the effect of percentage elongation of steel strands on the failure mode should be considered during structure design.

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备注/Memo

备注/Memo:
作者简介: 张利梅(1975—),女,博士生; 赵顺波(联系人),男,博士,教授,博士生导师,sbzhao@ncwu.edu.cn.
更新日期/Last Update: 2005-03-20