|本期目录/Table of Contents|

[1]计静,郑文忠,张文福.预应力H型钢混凝土组合梁动力性能参数分析[J].建筑科学与工程学报,2011,28(01):33-41.
 JI Jing,ZHENG Wen-zhong,ZHANG Wen-fu.Parameter Analysis on Dynamic Performance of Prestressed H-steel Reinforced Concrete Composite Beams[J].Journal of Architecture and Civil Engineering,2011,28(01):33-41.
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预应力H型钢混凝土组合梁动力性能参数分析(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
28卷
期数:
2011年01期
页码:
33-41
栏目:
出版日期:
2011-03-20

文章信息/Info

Title:
Parameter Analysis on Dynamic Performance of Prestressed H-steel Reinforced Concrete Composite Beams
作者:
计静1郑文忠2张文福1
1. 东北石油大学 土木建筑工程学院,黑龙江 大庆 163318; 2. 哈尔滨工业大学 土木工程学院,黑龙江 哈尔滨 150090
Author(s):
JI Jing1 ZHENG Wen-zhong2 ZHANG Wen-fu1
1. School of Civil Engineering and Architecture, Northeast Petroleum University, Daqing 163318, Heilongjiang, China; 2. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, China
关键词:
预应力H型钢混凝土 组合梁 预应力度 恢复力模型 动力性能
Keywords:
prestressed H-steel reinforced concrete composite beam prestressing degree restor-ing force model dynamic performance
分类号:
TU378.2
DOI:
-
文献标志码:
A
摘要:
为获得预应力H型钢混凝土新型组合梁的恢复力模型,对7根跨度为3 800 mm、2根跨度为4 500 mm的预应力型钢混凝土简支梁的骨架曲线进行了仿真分析,探讨了综合配筋指标、预应力度、预应力筋合力点到梁下边缘距离及混凝土轴心抗压强度4个参数对截面单调弯矩-曲率曲线和构件单调荷载-位移曲线的影响,同时考察了综合配筋指标、预应力度对构件截面曲率延性和构件位移延性的影响; 最后统计回归出预应力H型钢混凝土组合梁曲率延性和位移延性的计算公式,建立了预应力H型钢混凝土组合梁弯矩-曲率恢复力模型和荷载-位移恢复力模型。结果表明:预应力H型钢混凝土组合梁具有良好的抗震性能,建立的恢复力模型可为该类梁的结构弹塑性动力分析提供参考。
Abstract:
In order to acquire the restoring force models on the new prestressed H-steel reinforced concrete composite beams, the simulation analysis was performed on 7 span 3 800 mm and 2 span 4 500 mm prestressed steel reinforced concrete simple beams. The influences of four factors on the monotone moment-curvature curve of section and the monotone load-displacement curve of member were discussed, which were global reinforcing index, prestressing degree, the distance from the centre of prestressing tendon to the bottom of the beams and axial compressive strength of concrete, and the influences of two factors on curvature ductility of section and displacement ductility of member were investigated, which were the global reinforcing index and prestressing degree. The calculation formulas of the curvature ductility and the displacement ductility of prestressed H-steel reinforced concrete composite beams were given by the statistical regression. Finally, the restoring force models for the moment-curvature and the load-displacement of prestressed H-steel reinforced concrete composite beams were established. The results show that prestressed H-steel reinforced concrete composite beams possess good seismic performance, the restoring force models can provide references for elasto-plastic dynamic analysis on structures of this kind of beams.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2010-12-02
基金项目:“十一五”国家科技支撑计划项目(2006BAJ03A10); 国家自然科学基金项目(50178026); 黑龙江省自然科学基金重大项目(ZD200806)
作者简介:计 静(1977-),男,黑龙江五常人,副教授,工学博士,E-mail:jijing1977@163.com。
更新日期/Last Update: 2011-03-20