Study on Shear Behavior of Steel Reinforced ECC Beams under Reversed Cyclic Loading

被引：0
|
作者：
Yuan F. [1 ]
Chen M. [1 ]
Wang W. [2 ]
机构：
[1] School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang
[2] China Railway Construction Electrification Bureau Group Co., Ltd., Beijing
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2018年 / 40卷 / 08期
关键词：
Engineered cementitious composite (ECC); Experiment; Reversed cyclic loading; Seismic performance; Shear resistance;
D O I：
10.3969/j.issn.1001-8360.2018.08.019
中图分类号：
学科分类号：
摘要：
High-ductility engineered cementitious composite (ECC) is a high performance fiber-reinforced cementitious composite with pseudo strain hardening and multiple cracking propagation properties. Substitution of concrete with ECC can avoid the cracking and durability problems associated with the brittleness of concrete. In this paper, three short steel reinforced beams with various transverse reinforcement ratios and matrix types were tested under reversed cyclic loading. According to the test results, steel reinforced ECC (R/ECC) beams show better bearing capacity, energy dissipation capacity, and damage tolerance compared with steel reinforced concrete (RC) beams. The difference of load carrying capacity strongly depends on the cracking developing process. The bridging effect of fibers at the fine cracks of ECC beams allows ECC to continue to provide stable shear capacity. The shear behaviors of the RC and R/ECC beams were simulated by finite element method. The simulation results are found to be in good agreement with test results, indicating the accurateness of the finite element model in simulating the shear behaviors of the R/ECC beams. The effects of the shear span ratio, stirrup diameter and stirrup spacing on the shear resistance of R/ECC beams, are hence evaluated. © 2018, Department of Journal of the China Railway Society. All right reserved.
引用
下载
收藏
页码：146 / 153
页数：7
相关论文
共 15 条
  • [1] Ang A.H.S., Seismic Damage Analysis of Reinforced Concrete Buildings, Stochastic Methods in Structural Dynamics, 10, pp. 172-194, (1987)
  • [2] Li V.C., Leung C.K.Y., Steady-state and Multiple Crac-king of Short Random Fiber Composites, Journal of Engineering Mechanics, 118, 11, pp. 2246-2264, (1992)
  • [3] Li V.C., Wu H.C., Conditions for Pseudo Strain-hardening in Fiber Reinforced Brittle Matrix Composites, Applied Mechanics Review, 45, 8, pp. 390-398, (1992)
  • [4] Li V.C., On Engineered Cementitious Composites (ECC): A Review of the Material and Its Applications, Journal of Advanced Concrete Technology, 1, 3, pp. 215-230, (2003)
  • [5] Li V.C., Progress and Application of Engineered Cementitious Composites, Journal of Chinese Ceramic Society, 35, 4, pp. 531-536, (2007)
  • [6] Fischer G., Influence of Matrix Ductility on Tension-stiffening Behavior of Steel Reinforced Engineered Cementitious Composites(ECC), ACI Structural Journal, 99, 1, pp. 104-111, (2002)
  • [7] Canbolat B.A., Parra-Montesinos G.J., Wight J.K., Experimental Study on Seismic Behavior of High-performance Fiber-reinforced Cement Composite Coupling Beams, ACI Structural Journal, 102, 1, pp. 159-166, (2005)
  • [8] Fischer G., Li V.C., Deformation Behavior of Fiber-reinforced Polymer Reinforced Engineered Cementitious Composite (ECC) Flexural Members under Reversed Cyclic Loading Conditions, ACI Structural Journal, 100, 1, pp. 25-35, (2003)
  • [9] Fischer G., Intrinsic Response Control of Moment-resisting Frames Utilizing Advanced Composite Materials and Structural Elements, ACI Structural Journal, 100, 2, pp. 166-176, (2003)
  • [10] Billington S.L., Yoon J.K., Cyclic Response of Unbonded Posttensioned Precast Columns with Ductile Fiber-reinforced Concrete, Journal of Bridge Engineering, 9, 4, pp. 353-363, (2004)
12