Online: 10 July 2022; Volume 1, Issue 1, No.5 PDF DOWNLOAD
  • Title:
  • Experimental study on seismic performance of small span-to-depth ratio coupling beams with fiber reinforced concrete
  • Author:

    Yanxia Ye1, Weijun Wu1, Xiaobo Cai2, Yamin Hu2

  • Author Affiliation:

    1. School of Civil Engineering, Chang'an University, Xi'an, China

    2. Zhengzhou Coal Industry Design and Research Institutes Co., Zhengzhou, China

Abstract

A set of three specimens with different forms of reinforcement are producted, one is with the common concrete, the other two are mixed with the PVA fiber. All have the same span-to-depth ratio of 1.2. Failure modes,ductility performance,bearing capacity and energy dissipation capacity are analyzed. The results show that the mix of PVA fiber postpones the cracking of the specimen, improves the spall state of the coupling beam and increases the ultimate load. Cross diagonal reinforcement can effectively restrict the occurrence and development of the diagonal shear crack, also improve the ductility and energy dissipation capacity.

References

[1] Paulay T. Coupling beams of RC shear walls[J]. Journal of The Structural Division, 1971, 97(3): 843-862

[2] Fu Jianping, Zhao Jielin and Cao Yunfeng. Experimental study on the small span-to-depth ratio seismic coupling beam using the new reinforcement[J]. Journal of Chongqing Construction University, 2004, 26(1): 50-54 4

[3] Fu Jianping, Pi Tianxiang and Wei Feng, et al. Experimental study of reinforced concrete shear wall and small span-to-depth ratio coupling beam with composite oblique muscle on seismic performance[J]. China Civil Engineering Journal, 2011, 44(2): 57-64

[4] Liu Chang, Fan Zhong and Zhu Dan. Wide beam shear wall and its seismic performance[J]. Journal of Building Structures, 2015, 36(3): 46-55

[5] Xue Huiqing, Deng Zongcai and Li Jianhui. Tensile properties and toughness of PVA fiber reinforced cement-based composite materials[J]. Journal of Zhengzhou University (engineering science), 2009, 30(1): 92-95

[6] Qian Guifeng, Gao Xiangbiao and Qian Chunxiang. Effect of PVA fiber on mechanical properties of concrete[J]. China Concrete and Cement Products, 2010(3): 52-54

[7] GB 50011-2010, Seismic Design of Buildings[S]. Beijing: China Building Industry Press, 2011

[8] GB/T 50152-2012, Standard Test Method for Concrete Structures[S]. Beijing: China Architecture & Building Press, 2012

[9] JGJ 101-1996 Specification of testing methods for earthquake resistant building [S]. Beijing: China Architecture & Building Press, 1997

[10] Gao Wenzao, Sha Xiaodong and Gao Qiang. First exploration of shear compression ratio overrun problem of shear walls[J]. Building Structure, 2010, Suppl.( 40): 495-496

Copyright 2018 - 2023 Sanderman Publishing House