留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

圆截面CFRP-钢管混凝土在弯-扭荷载作用下的性能

王庆利 彭宽 邵永波

王庆利, 彭宽, 邵永波. 圆截面CFRP-钢管混凝土在弯-扭荷载作用下的性能[J]. 复合材料学报, 2022, 40(0): 1-17
引用本文: 王庆利, 彭宽, 邵永波. 圆截面CFRP-钢管混凝土在弯-扭荷载作用下的性能[J]. 复合材料学报, 2022, 40(0): 1-17
Qingli WANG, Kuan PENG, Yongbo SHAO. Behavior of circular section concrete filled CFRP steel tubular under bending-torsion load[J]. Acta Materiae Compositae Sinica.
Citation: Qingli WANG, Kuan PENG, Yongbo SHAO. Behavior of circular section concrete filled CFRP steel tubular under bending-torsion load[J]. Acta Materiae Compositae Sinica.

圆截面CFRP-钢管混凝土在弯-扭荷载作用下的性能

基金项目: 辽宁省兴辽英才计划(XLYC1902009);四川省青年科技创新研究团队(2019JDTD0017)
详细信息
    通讯作者:

    邵永波,博士,教授,研究方向为钢-混凝土组合及海洋工程结构 E-mail:ybshao@swpu.edu.cn

  • 中图分类号: TU398

Behavior of circular section concrete filled CFRP steel tubular under bending-torsion load

  • 摘要: 为了研究圆CFRP-钢管混凝土的弯-扭性能,设计了9个试件进行弯-扭静力性能试验。设计试验对试件的扭矩-转角(T-θ)曲线、剪应力-剪应变(τ-γ)曲线的特点进行了研究。采用ABAQUS模拟了试件的T-θ曲线和变形模态,并与试验结果进行对比。结果表明:模拟与试验结果吻合较好,所提出的模拟方法能够合理、准确地预测圆CFRP-钢管混凝土(CFRP-ST/C)的弯扭性能。同时通过参数分析对CFRP层数、材料强度、弯矩比和含钢率等参数对构件弯-扭性能的影响进行研究。最后,以试验与有限元结果为基础,提出了圆CFRP-钢管混凝土的弯-扭承载力的计算表达式,通过计算可知,构件抗扭承载力计算结果/抗扭承载力试验结果(Tftc/Tftt)的平均值为0.998,均方差为0.038;构件抗扭承载力计算结果/抗扭承载力有限元结果(Tftc/Tftf)的平均值为0.973,均方差为0.051。

     

  • 图  1  CFRP-钢管混凝土试件

    Figure  1.  Concrete filled CFRP steel tube specimen

    图  2  CFRP-钢管混凝土试件弯扭静力加载设备图

    Figure  2.  Loading equipment diagram of concrete filled CFRP steel tube specimen under bending-torsion load

    图  3  CFRP-钢管混凝土弯-扭性能试件应变花布置示意图

    Figure  3.  Schematic diagram of strain rosette arrangement of CFRP concrete filled steel tubular flexural torsional performance specimen

    图  4  圆CFRP-钢管混凝土试件的破坏形貌

    Figure  4.  Failure mode of circular concrete filled CFRP steel tube specimen

    图  5  圆CFRP-钢管混凝土试件钢管的破坏

    Figure  5.  Failure mode of steel tube of circular concrete filled CFRP steel tube specimen

    图  6  圆CFRP-钢管混凝土试件混凝土的破坏形貌

    Figure  6.  Failure mode of concrete of circular concrete filled CFRP steel tube specimen

    图  7  圆CFRP-钢管混凝土弯-扭性能试件的扭矩T-转角θ曲线

    Figure  7.  Torque T- angle θ curve of circular concrete filled CFRP steel tubular specimen under bending-torsion load

    图  8  圆CFRP-钢管混凝土弯-扭性能试件的剪切应力τ−剪切应变γ曲线

    Figure  8.  Shear stress τ− shear strain γcurve of circular concrete filled CFRP steel tubular specimen under bending-torsion load

    图  9  圆CFRP-钢管混凝土弯-扭性能构件有限元模拟的边界条件

    Figure  9.  Boundary conditions of FE simulation of circular concrete filled CFRP steel tube member

    图  10  圆CFRP-钢管混凝土弯-扭试件的T-θ曲线模拟结果与试验结果的比较

    Figure  10.  Comparison of T-θ curve simulation results and test results of circular concrete filled CFRP steel tube specimens under bending-torsion load

    图  12  圆CFRP-钢管混凝土弯-扭试件试验与有限元破坏模态对比

    Figure  12.  Comparison of failure mode simulation results and test results of circular concrete filled CFRP steel tube specimens under bending-torsion load

    图  11  圆CFRP-钢管混凝土弯-扭试件的τγ曲线模拟结果与试验结果比较

    Figure  11.  Comparison of τ−γ curve simulation results and test results of circular concrete filled CFRP steel tube specimens under bending-torsion load

    图  13  CFRP-钢管混凝土弯-扭构件典型的T-θ曲线

    Figure  13.  Typical T-θ curve of concrete filled CFRP steel tube member under bending-torsion load

    图  14  圆CFRP-钢管混凝土弯-扭性能构件混凝土的纵向应力分布

    Figure  14.  Longitudinal stress distribution of concrete in circular concrete filled CFRP steel tube member under bending-torsion load

    图  15  圆CFRP-钢管混凝土弯-扭性能构件钢管的Mises应力分布

    Figure  15.  Mises stress distribution of steel tube in circular concrete filled CFRP steel tube member under bending-torsion load

    图  16  圆CFRP-钢管混凝土弯-扭性能构件横向CFRP的应力分布

    Figure  16.  Transverse direction stress distribution of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  17  圆CFRP-钢管混凝土弯-扭性能构件纵向CFRP的应力分布

    Figure  17.  longitudinal direction stress distribution of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  18  ml对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  18.  Effect of ml on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  19  mt对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  19.  Effect of mt on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  20  fy对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  20.  Effect of fy on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  21  fcu对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  21.  Effect of fcu on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  22  m对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  22.  Effect of m on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  23  Steel ratioα对圆CFRP-钢管混凝土弯-扭构件T-θ曲线的影响

    Figure  23.  Effect of steel ratio α on T-θ curve of CFRP in circular concrete filled CFRP steel tube member under bending-torsion load

    图  24  圆CFRP-钢管混凝土构件典型的弯扭试件抗弯承载力Mft/抗弯承载力Mu-弯扭试件的抗扭承载力Tft/抗扭承载力Tu曲线

    Figure  24.  Typical flexural capacity under bending-torsion load Mft/ flexural capacity Mu-Torsional bearing capacity under bending-torsion load Tft/torsional bearing capacity Tu curve of circular concrete filled CFRP steel tube member

    图  25  圆CFRP-钢管混凝土弯-扭性能构件验证结果比较

    Figure  25.  Comparison of verification results of circular concrete filled CFRP steel tube member under bending-torsion load

    表  1  圆CFRP-钢管混凝土试件的参数

    Table  1.   Parameters of circular concrete filled CFRP steel tube specimens

    No.Specimen labelmml / layermt / layerξcfξηcf
    111CFRP-ST/C10.1110.151.120.16
    211CFRP-ST/C20.2110.151.120.16
    311CFRP-ST/C30.3110.151.120.16
    412CFRP-ST/C10.1120.311.280.16
    512CFRP-ST/C20.2120.311.280.16
    612CFRP-ST/C30.3120.311.280.16
    713CFRP-ST/C20.2130.461.430.16
    801CFRP-ST/C20.2010.151.120
    921CFRP-ST/C20.2210.151.120.32
    Notes: m—moment ratio; m1—number of longitudinal CFRP layers; mt—number of transverse CFRP layers; ξcf—Confinement factor of transverse CFRP; ξcf—Confinement factor of transverse CFRP and steel tube; ηcf— Strengthening factor of longitudinal CFRP.
    下载: 导出CSV

    表  2  钢管性能

    Table  2.   Properties of steel tube

    fy/MPafu/MPaEs/GPavsε′/%
    291.78456.49210.160.3127.7
    Notes: fy—Steel yield strength; fu—Ultimate tensile strength of steel tube; Es—Elastic modulus of steel tube; vs—Poisson’s ratio of steel tube; ε '—Elongation percentage of steel.
    下载: 导出CSV

    表  3  混凝土性能

    Table  3.   Properties of concrete

    Ec/MPafcu/MPaf 'c/MPa
    3250048.8937.62
    Notes: f'c—Compressive strength of cylinder concrete; fcu
    Compressive strength of cubic concrete; Ec—Elastic modulus of concrete.
    下载: 导出CSV

    表  4  CFRP性能

    Table  4.   Performance of CFRP

    Thickness /mmEcf /GPaεcftr /10−3εcflr /10−3
    0.11123035
    Notes: Ecf—Elastic modulus of carbon fiber sheet; εcftr—Rupture strain of transverse CFRP; εcflr—Rupture strain of longitudinal CFRP.
    下载: 导出CSV
  • [1] CHEN Y, WANG K, HE K, et al. Compressive behavior of CFRP-confined post heated square CFST stub columns[J]. Thin-Walled Structures 2018, 127: 434-445.
    [2] LIANG J F, LIN SQ, LI W, et al. Axial compressive behavior of recycled aggregate concrete-filled square steel tube stub columns strengthened by CFRP[J]. Structures,2021,29:1874-1881. doi: 10.1016/j.istruc.2020.12.084
    [3] 叶勇, 韩林海, 陶忠. 脱空对圆钢管混凝土受剪性能的影响分析[J]. 工程力学, 2016, 33(S1):62-66.

    YE Yong, HAN Linhai, TAO Zhong. Analysis of influence of void on shear behavior of concrete filled circular steel tubular[J]. Engineering mechanics,2016,33(S1):62-66(in Chinese).
    [4] 胡昌明, 韩林海. 圆形钢管混凝土叠合构件抗冲击性能试验研究[J]. 土木工程学报, 2016, 49(10):11-17.

    HU Changming, HAN Linhai. Experimental study on impact resistance of circular concrete filled steel tubular composite members[J]. Journal of civil engineering,2016,49(10):11-17(in Chinese).
    [5] 花幼星, 侯超, 韩林海. 氯离子腐蚀环境下钢管混凝土弯扭构件受力性能研究[J]. 工程力学, 2015, 32(S1):149-152.

    HUA Youxing, HOU Chao, HAN Linhai. Study on mechanical properties of concrete filled steel tubular flexural and torsional members under chloride ion corrosion environment[J]. Engineering mechanics,2015,32(S1):149-152(in Chinese).
    [6] TANG HY, CHEN JL, FAN LY, et al. Experimental investigation of FRP-confined concrete-filled stainless steel tube stub columns under axial compression[J]. Thin-Walled Structures,2020,146:1-14.
    [7] LI N, LU YY, LI S, et al. Slenderness effects on concrete-filled steel tube columns confined with CFRP[J]. Journal of Constructional Steel Research,2018,143:110-118. doi: 10.1016/j.jcsr.2017.12.014
    [8] 郭莹, 许天祥, 刘界鹏. 圆CFRP-钢复合管约束高强混凝土短柱轴压试验研究[J]. 建筑结构学报, 2019, 40 (5): 124-131.

    GUO Ying, XU Tianxiang, LIU jiepeng Experimental study on axial compression of high strength concrete short columns confined by circular CFRP steel composite tubes[J]. Journal of building structure, 2019, 40 (5): 124-131 (in Chinese)
    [9] 李欣, 胡忠君, 周峻弘, 等. CFRP约束圆弧化SCFST短柱轴压承载力计算方法[J]. 结构工程师, 2020, 36(2):157-164. doi: 10.3969/j.issn.1005-0159.2020.02.021

    LI Xin, HU Zhongjun, ZHOU Junhong, et al. Calculation method of axial compressive capacity of circular arc scfst short columns restrained by CFRP[J]. Structural engineer,2020,36(2):157-164(in Chinese). doi: 10.3969/j.issn.1005-0159.2020.02.021
    [10] PARK J, HONG Y, HONG G, et al. Behaviors of concrete filled square steel tubes confined by carbon fiber sheets (CFS)under compression and cyclic loads[J]. Steel and Composite Structures,2010,10(2):187-205. doi: 10.12989/scs.2010.10.2.187
    [11] AL-MEKHLAFGM, AL-OSTAMA, SHARIAA M. Behavior of eccentrically loaded concrete-filled stainless steel tubular stub columns confined by CFRP composites[J]. Engineering Structures,2020,205:1-14.
    [12] WANG YH, WANG YY, HOU C, et al. Torsional capacity of concrete-filled steel tube columns circumferentially confined by CFRP[J]. Journal of Constructional Steel Research,2020,175:1-14.
    [13] ZHANG YR, WEI Y, ZHAO K, et al. Analytical model of concrete-filled FRP-steel composite tube columns under cyclic axial compression[J]. Soil Dynamics and Earthquake Engineering,2020,139:1-11.
    [14] XIAO Y, HE WH, CHOI KK. Confined concrete-filled tubular columns. Journal of Structural Engineering[J], ASCE 2005; 131(3): 488-97.
    [15] 中国国家标准化管理委员会(标准制定单位). 金属材料拉伸试验第1部分: 室温试验方法: GB/T 228.1-2010[S]. 北京: 中国标准出版社, 2009.

    Standardization Administration of the People’s Republic of China. Metallic materials-Tensile testing-Part 1: Method of test at room temperature: GB/T 228.1-2010 [S]. Beijing: China Standards Press, 2009(in Chinese).
    [16] 中国国家标准化管理委员会(标准制定单位). 金属材料弹性模量和泊松比试验方法: GB/T 22315-2008 [S]. 北京: 中国标准出版社, 2008.

    Standardization Administration of the People’s Republic of China. Metallic materials-Determination of modulus of elasticity and Poisson's ratio: GB/T 228.1-2010 [S]. Beijing: China Standards Press, 2008(in Chinese).
    [17] WANG QL, SHAO YB. Compressive performances of concrete filled square CFRP-steel tubes (S-CFRP-CFST)[J]. Steel and Composite Structures,2014,16(5):455-480. doi: 10.12989/scs.2014.16.5.455
    [18] HOU C C, HAN L H, WANG Q L, HOU C. Flexural behavior of circular concrete filled steel tubes (CFST) under sustained load and chloride corrosion[J]. Thin-Walled Structures,2016,107(1):182-196.
    [19] 刘威. 钢管混凝土局部受压时的工作机理研究[D]. 福州大学, 2005.

    Liu Wei Study on working mechanism of concrete filled steel tubular under local compression [D] Fuzhou University, 2005. (in Chinese)
    [20] TAO Z, HAN LH, ZHUANG JP. Axial loading behavior of CFRP strengthened concrete-filled steel tubular stub columns[J]. Advances in Structural Engineering,2007,10(1):37-46. doi: 10.1260/136943307780150814
    [21] WANG QL, QU SE, SHAO YB, FENG LM. Static behavior of axially compressed circular concrete filled CFRP-steel tubular (CFRP-ST/C) columns with moderate slenderness ratio[J]. Advanced Steel Construction,2016,12(3):263-295.
    [22] 韩林海. 钢管混凝土结构-理论与实践[M]. 第三版. 北京: 科学出版社, 2016.

    HAN Linhai. Concrete filled steel tubular structure - theory and practice [M]. Third edition. Beijing: Science Press, 2016. (in Chinese)
  • 加载中
计量
  • 文章访问数:  99
  • HTML全文浏览量:  112
  • 被引次数: 0
出版历程
  • 收稿日期:  2021-12-13
  • 录用日期:  2022-02-16
  • 修回日期:  2022-01-30
  • 网络出版日期:  2022-03-14

目录

    /

    返回文章
    返回