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...

一种基于Fourier-Bessel级数求解FRP筋粘结锚固径向反应的解析方法

Keywords: 桥梁工程,FRP筋粘结锚固,Fourier-Bessel级数,径向反应

Full-Text   Cite this paper   Add to My Lib

Abstract:

根据FRP筋表面沿纵向呈周期的特性,提出了一种基于Fourier-Bessel级数求解FRP筋粘结锚固径向反应的实用解析方法。从轴对称问题的基本方程出发,利用标准化Fourier-Bessel级数三角函数等式,推导了修正贝塞尔方程,得到了各向同性材料和横观各向同性材料的解析解,最后针对FRP筋粘结式锚具的边界条件,得到了钢套筒约束的粘结介质以及FRP筋在径向应力作用下的位移和应力计算公式。解析解与有限元解基本一致,验证了基于Fourier-Bessel级数求解FRP筋粘结锚固的径向反应是一种可靠的、实用的解析方法。计算表明,在径向应力作用下,对于钢套筒约束的粘结介质和CFRP筋,轴向位移在粘结界面的径向应力中心位置处最大;钢套筒外壁的径向位移仅为粘结界面处的径向位移1/8;CFRP筋的径向位移在中心轴为零,并向筋材表面线性增加。

References

[1]  [J].公路交通科技,2006,23 (10):70-741 ZANG Hua,LIU Zhao,LV Zhi-tao,et al.Research and Application Review on CFRP Cables for Cable-stayed Bridges
[2]  COX J V,YU Hai-ling.A Micromechanical Analysis of the Radial Elastic Response Associated with Slender Reinforcing Elements within a Matrix
[3]  [J].Journal of Composite Materials,1999,33 (23):2 161-2 192.
[4]  COX J V,HERRMANN L R1Development of a Plasticity Bond Model for Steel Reinforcement
[5]  [J].Mechanics of Cohesive-frictional Materials,1998,3 (2):155-180.
[6]  [J].ACI Structural Journal,2001,98 (1):16-27.
[7]  YU Hai-ling,COX J V1Radial Elastic Modulus for the Interface between FRP Reinforcing Bars and Concrete
[8]  [J].Journal of Reinforced Plastics and Composites,2002,21 (14):1 285-1 318.
[9]  [D].Baltimore,Maryland: Department of Civil Engineering,the Johns Hopkins University,2000: 28-52.
[10]  BLACHMAN N M1Trigonmetric Approximations for Bessel Functions
[11]  方志,梁栋,蒋田勇.不同粘结介质中CFRP 筋锚固性能的试验研究
[12]  [J].土木工程学报,2006,39 (6):47-5.1 FANG Zhi,LIANG Dong,JIANGTian-yong.Experimental Investigation on the Anchorage Performance of CFRP Tendon in Different Bond Mediums
[13]  [J].China Civil Engineering Journal,2006,39 (6):47-5.
[14]  方志,蒋田勇,梁栋.CFRP 筋在活性粉末混凝土中的锚固性能
[15]  MAHMOUD M,REDA T,NIGEL G1New Concrete Anchors for Carbon Fiber Reinforced Polymer Post-tensioning Tendons-part.: State-of-the-art ReviewPdesign
[16]  [J].ACI Structural Journal,2003,100 (1):86-95.
[17]  臧华,刘钊,吕志涛,等.CFRP 筋用作斜拉桥拉索的研究与应用进展
[18]  [J].Journal of Highway and Transportation Research and Development,2006,23 (10):70-74.
[19]  COX J V,GUO J1Modeling the Stress States Dependency of the Bond Behavior of FRP Tendon
[20]  [C] PPFourth International Symposium on FRP Reinforcement for RC Structures.Farmington Hills: American Concrete Institute (ACI),1999: 791-805.
[21]  COX J V,HERRMANN L R1Validation of a Plasticity Bond Model for Steel Reinforcement
[22]  [J].Mechanics of Cohesive-frictional Materials,1999,4 (4):361-
[23]  COX J V,YU Hai-ling.Radial Elastic Stiffness Associated with the Bond between Steel Bars and Concrete
[24]  YU Hai-liang.Analytical and Computational Modeling of the Mechanical Interlocking between SteelPFRP Reinforcing Bars and Concrete
[25]  [M].Trans Acrospace Electron System,1986,22 (1):2-7.
[26]  [J].湖南大学学报(自然科学版),2007,34 (7):1-5.FANG Zhi,JIANG Tian-yong,LIANG Dong.The Anchorage Behavior of CFRP Tendons in RPC
[27]  [J].Journal of Hunan University (Natural Sciences),2007,34 (7):1-5.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133