[1]胡长明,付燎原,郭 艳.预应力梁张拉过程对柱内力影响的分析与监测[J].西安建筑科技大学学报:自然科学版,2012,44(05):609-613,626.[doi:10.15986/j.1006-7930.2012.05.001]
　HU Chang-ming,FU Liao-yuan,GUO Yan.Analysis and monitoring of the influence of the columns force on the prestressed frame beam tensioning[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2012,44(05):609-613,626.[doi:10.15986/j.1006-7930.2012.05.001]
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预应力梁张拉过程对柱内力影响的分析与监测()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
44
期数:
2012年05期
页码:
609-613,626
栏目:
出版日期:
2012-10-31

文章信息/Info

Title:
Analysis and monitoring of the influence of the columns force on the prestressed frame beam tensioning
文章编号:
1006-7930(2012)05-0609-05
作者:
胡长明1; 2; 付燎原1; 郭 艳1
(1.西安建筑科技大学土木工程学院,陕西 西安 710055;2.西部建筑科技国家重点实验室 筹 ,陕西 西安 710055)
Author(s):
HU Chang-ming1; 2;  FU Liao-yuan1;  GUO Yan1
(1.School of Civil Engineering, Xian Univ. of Arch. & Tech., Xian 710055,China; 2.State Key Laboratory of Architecture Science and Technology in West China(XAUAT), Xian 710055, China)
关键词:
预应力混凝土; 框架结构; 第三弯矩; 数值分析; 现场监测
Keywords:
prestressed concrete;  frame structure;  third moment;  numerical analysis;  on-site monitoring
分类号:
TU378.3
DOI:
10.15986/j.1006-7930.2012.05.001
文献标志码:
A
摘要:
为研究框架结构柱在预应力梁张拉过程中的内力情况,在已有的框架柱的次内力研究的基础上,通过对某预应力工程框架柱的计算和监测,对框架柱在张拉过程中的次内力变化规律进行了分析.分析结果表明,梁的轴向压缩在柱中引起的第三弯矩较大,在设计中不能忽略,对比监测数据和数值模拟结果可知:预应力梁的张拉使柱顶的内侧和柱底的外侧受拉,使柱顶的外侧和柱底的内侧受压,应力与张拉荷载基本呈线性关系.研究成果可为类似工程的设计与施工提供参考,为相关规范的编制提供可靠数据
Abstract:
In order to explore the force of the frame column in the process of prestressed frame beam tensioning based on the former research of secondary interior force of the frame column and through the calculation and monitoring of the column of a prestressed frame structure, the changing regularity of secondary interior force of the frame column in the process of the prestressed frame beam tensioning is analyzed. The results indicate that the third moment generated by axial deformation of beam is larger. So the third moment shall not be ignored in design. By comparison of monitoring data with results of numerical simulation, the inner side of the top of columns and the outside of the bottom of columns are in tension. Meanwhile the outside of the top of columns and the inner side of the bottom of columns are in compression. There is a linear relation between stress and tension loading. Research results can be used as reference for design and construction of similar projects. It will provide reliable data for the establishment of relevant standards

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备注/Memo

备注/Memo:
收稿日期:2011-12-31 修改稿日期:2012-10-08
基金项目:国家自然科学基金项目(50978219);陕西省教育厅专项科研计划项目(12JK0898)
作者简介:胡长明(1963-),男,河南信阳人,博士,教授,从事土木工程建造与管理研究
更新日期/Last Update: 2015-09-01