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...

预应力齿板锚固区拉压杆模型及配筋设计

, PP. 91-96

Keywords: 桥梁工程,配筋设计,拉压杆模型,齿板锚固区,有限元分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

首先通过分析齿板锚固区的应力分布规律,揭示了引起齿板锚固区拉应力集中的5种典型局部作用效应。根据主应力迹线指示的力流传递路径以及局部区域的力流平衡关系,提出了齿板锚固区拉压杆模型的基本构形,在此基础上,进一步研究了定量化几何构形的确定方法和依据。以所提出的拉压杆模型为基础,结合AASHTO规范,给出了预应力齿板锚固区的配筋设计方法,设计示例表明该方法具有良好的实用性,可供工程设计参考。

References

[1]  [J].ACI Structural Journal,2009,106 (2):178-186.
[2]  林波,刘钊.矩形截面梁后张锚固区劈裂力计算的拉压杆模型法
[3]  [J].公路交通科技,2009,26(12):56-61.LIN Bo,LIU Zhao.Strut-and-tie Model Method for Bursting Force Calculation of Post-tensioned Anchorage Zone in Rectangular Beam
[4]  [J].Journal of Highway and Transportation Research and Development,2009,26(12):56-61.
[5]  SANDERS D H,BREEN J E.Post-tensioned Anchorage Zones with Single Straight Concentric Anchorages
[6]  [J].ACI Structural Journal,1997,94 (2):146-158.
[7]  VECCHIO F J,COLLINS M P.The Modified Compression Field Theory for Reinforced Concrete Elements Subjected to Shear
[8]  [J].ACI Journal,1986,83 (2):219-231.
[9]  ACI 318M-08,Building Code Requirements for Structural Concrete and Commentary
[10]  [S].
[11]  ROGOWSKY D M,MARTI P.Detailing for Post-tensioned
[12]  [R].Switzerland:VSL International Ltd.,1996.
[13]  刘钊,吕志涛,惠卓,等.拉压杆模型在混凝土梁桥中应用与研究进展
[14]  [J].中国工程科学,2008(10):14-21.LIU Zhao,LU Zhitao,HUI Zhuo,et al.Review of Application and Research on Strut-and-tie Models for Concrete Bridges
[15]  [J].Engineering Sciences,2008(10):14-21.
[16]  TJHIN T N,KUCHMA D A.Computer-based Tools for Design by Strut-and-tie Method:Advances and Challenges
[17]  [J].ACI Structural Journal,99 (5):586 -594.
[18]  JTG D62-2004,公路钢筋混凝土及预应力混凝土桥涵设计规范
[19]  [S].JTG D62 -2004,Code for Design of Highway Reinforced Concrete and Prestressed Concrete Bridges and Culverts
[20]  [S].
[21]  SCHLAICH J,SCHAFER K,JENNEWEIN M.Toward a Consistent Design of Structural Concrete
[22]  [J].Journal of the Prestressed Concrete Institute,1987,32 (3):74-150.
[23]  Euro International Committee for Concrete,International Federation for Prestressing.Practical Design of Structural Concrete
[24]  [M].London:SETO Ltd,1999.
[25]  BREEN J E,BURDET O,ROBERTS C.Anchorage Zone Reinforcement for Post-tensioned Concrete Girders
[26]  [R].Austin:The University of Texas at Austin,1991.
[27]  AASHTO LRFD Bridge Design Specifications (4th ed.)
[28]  [S].
[29]  SONGWUT H.Linear and Nonlinear Finite Element Analyses of Anchorage Zones in Post-tensioned Concrete Structures
[30]  [D].Blacksburg,VA:Virginia Polytechnic Institute and State University,2004.
[31]  BROWN M D,BAYRAK O.Minimum Transverse Reinforcement for Bottle-Shaped Struts
[32]  [J].ACI Structural Journal,103 (6):813-821.
[33]  SAHOO D K,SINGH B,BHARGAVA P.Investigation of Dispersion of Compression in Bottle-shaped Struts

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133