全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

预应力混凝土连续箱梁不同布索方式对比分析

, PP. 80-84

Keywords: 桥梁工程,预应力箱梁,布索方式,下弯索,竖向预应力,预应力损失

Full-Text   Cite this paper   Add to My Lib

Abstract:

从理论上对比分析了不同布索方式的优缺点,以某预应力混凝土连续箱梁桥为原型,通过数值计算对比分析了预应力损失对不同布索方式箱梁腹板主拉应力的影响。结果表明,在理论上取消下弯索,通过适当调整顶、底板索和竖向预应力筋来实现对腹板主拉应力控制是可行的;适当调整竖向预应力的大小,竖向+纵向布索方式混凝土强度提高系数优于下弯索布索方式;竖向预应力损失对竖向+纵向布索方式预应力混凝土箱梁腹板主拉应力的影响非常敏感,在实际工程中,竖向预应力损失50%后,竖向+纵向布索方式预应力混凝土箱梁腹板主应力的分布将劣于下弯索布索方式。

References

[1]  黄棠,王效通.结构设计原理
[2]  [M].北京:中国铁道出版社,1990.HUANG Tang,WANG Xiaotong.Structure Design Principle
[3]  [M].Beijing:China Railway Publishing House,1990.
[4]  张继尧,王昌将.悬臂浇注预应力混凝土连续梁桥
[5]  [M].北京:人民交通出版社,2005.ZHANG Jiyao,WANG Changjiang.Construction of PC Continuous Beam Bridge by Cantilever Casting
[6]  浙江省交通厅公路管理局.预应力混凝土箱型连续梁桥裂缝调查分析及防治研究报告
[7]  [R].杭州:浙江省交通厅公路管理局,2000.Highway Administration Bureau of Zhejiang Province.Analysis and Prevention of the Cracks in Continuous Prestressed Concrete Box-girder Bridges
[8]  张开银,刘利军,廖原.大跨度PC桥竖向预应力设计探讨
[9]  [J].公路交通科技,2004,21(8):45-48.ZHANG Kaiyin,LIU Lijun,LIAO Yuan.Research on the Vertical Prestress Design of Long-span PC Continue Beam Bridge
[10]  [J].Journal of Highway and Transportation Research and Development,2004,21(8):45-48.
[11]  [J].Journal of Highway and Transportation Research and Development,2004,21(12):54-57.
[12]  吕建鸣,陈可.预应力混凝土箱梁腹板主应力分析
[13]  朱利明,刘华.三腹板预应力混凝土连续箱梁底板纵向裂缝病害原因分析及对策
[14]  [J].桥梁建设,2005(增刊):114-116.ZHU Liming,LIU Hua.Cause Analysis and Countermeasures for Longitudinal Cracks in Bottom Slab of Prestressed Concrete Continuous Box Girder with Triple Webs
[15]  [J].Bridge Construction,2005(sup):114-116.
[16]  楼庄鸿.大跨径梁式桥的主要病害
[17]  [J].公路交通科技,2006,23(4):84-87.LOU Zhuanghong.Main Faults in Large Span Beam Bridges
[18]  [J].Journal of Highway and transportation Research and Development,2006,23(4):84-87.
[19]  [J].桥梁建设,2006(2):14-17.LIU Xiaoyan,LONG Haojun,WEI Chenglong,et al.Study of Crack Causes of Box Girder Webs and Concrete Stress Limit Values of Prestressed Concrete Highway Bridges
[20]  [J].Journal of Railway Engineering Society,2006(6):62-65.
[21]  杨晓玲,陈湘林.箱梁腹板开裂与竖向预应力质量的探讨
[22]  [J].Hunan Communications Science and Technology.2001(01):41-43.
[23]  王敏.从预应力损失角度对混凝土桥梁病害成因的研究
[24]  [D].武汉:武汉理工大学,2005.WANG Min.Research on the Disease Cause of Concrete Bridge from Pre-stress Loss
[25]  张文学.预应力混凝土连续箱梁局部应力分析及拉-压杆设计
[26]  [D].上海:同济大学,2005.ZHANG Wenxue.The Local Stress Analysis of Continuous PC Box Girder and Strut-and-Tie Design Method
[27]  [D].Shanghai:Tongji University,2005.
[28]  [M].Beijing:China Communications Press,2005.
[29]  [R].Hangzhou:Highway Administration Bureau of Zhejiang Province,2000.
[30]  李江山.预应力连续箱梁设计应注意的问题
[31]  [J].公路,2002(2):4-7.LI Jiangshan.Some Noticeable Problems in Design of PC Continuous Box-girder
[32]  [J].Highway,2002(2):4-7.
[33]  施颖,唐苍松,宣纪明,等.混凝土箱梁腹板竖向预应力分析
[34]  [J].桥梁建设,2006(1):8-11.SHI Ying,TANG Cangsong,XUAN Jiming,et al.Analysis of Vertical Prestress Applied to Webs of Concrete Box Girder
[35]  [J].Bridge Construction,2006(1):8-11.
[36]  刘钊,李鹏.考虑竖向预应力扩散影响的箱梁腹板预压应力计算
[37]  [J].公路交通科技,2004,21(12):54-57.LIU Zhao,LI Peng.Calculation of the Compressed Stress in Box Beam Web by Vertical Prestressing Forces in Consideration of Stress Diffusion
[38]  [J].公路交通科技,2005,22(10):51-59.LV Jianming,CHEN Ke,Principal Stress Analysis for Web of PC Bridge with Box Section
[39]  [J].Journal of Highway and Transportation Research and Development,2005,22(10):51-59.
[40]  刘小燕,龙浩军,韦成龙,等.公路PC箱梁腹板裂缝成因与混凝土应力限值研究
[41]  [J].Bridge Construction,2006(2):14-17.
[42]  陈丹华,陈水生,程海根.预应力混凝土箱梁桥腹板主应力影响因素研究
[43]  [J].铁道工程学报,2006(6):62-65.CHEN Danhua,CHEN Shuisheng,CHENG Haigen.Research on the Influence Factor of Web's Principle Stress for Box Girder Bridges
[44]  [J].湖南交通科技,2001(01):41-43.YANG Xiaoling,CHEN Xianglin.Discussion on Web Plate Cracking of Box Girder and Quality of Vertical Prestressing
[45]  [D].Wuhan:Wuhan University of Technology,2005.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133