Materials and Structures

, 50:88 | Cite as

Hysteretic model of SRUHSC column and SRC beam joints considering damage effects

  • Changwang Yan
  • Deqiang Yang
  • Zhongguo John Ma
  • Jinqing Jia
Original Article

Abstract

This paper focuses on developing a hysteretic model of steel reinforced ultra high strength concrete column and steel reinforced concrete beam joint. Characteristics of the hysteretic curve from twelve specimens under cyclic loading were analyzed in terms of damage pattern, residual deformation, loop unloading stiffness deterioration, relative unloading stiffness deterioration and strength degradation. Methods to quantify seismic damage and attenuation coefficient were presented. The proposed methods consider number of loading cycles and controlled displacements which cause seismic damage. The experimental skeleton curve is simplified as a trilinear model, where calculated attenuation coefficient is used to obtain deteriorated stiffness of every segment, deteriorated unloading stiffness, and degraded strength in the hysteretic model. The proposed hysteretic model considering damage effects can describe well the characteristics of experimental hysteretic curves.

Keywords

SRUHSC Joint Trilinear model Hysteretic model Stiffness deterioration Strength degradation 

Notes

Acknowledgments

The research reported in this paper is part of Projects 51168034 supported by National Natural Science Foundation of China, and the Program for Young Talents of Science and Technology in the University of Inner Mongolia Autonomous Region (No. NJYT-14-B08). Their financial support is highly appreciated.

Funding

This study was funded by National Natural Science Foundation of China (Grant Number: 51168034) and Program for Young Talents of Science and Technology in the University of Inner Mongolia Autonomous Region (Grant Number: NJYT-14-B08).

Compliance with ethical standards

Conflict of Interest

The authors declare that they have no conflict of interest.

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Copyright information

© RILEM 2016

Authors and Affiliations

  • Changwang Yan
    • 1
    • 2
  • Deqiang Yang
    • 1
  • Zhongguo John Ma
    • 2
    • 3
  • Jinqing Jia
    • 4
  1. 1.School of Mining and TechnologyInner Mongolia University of TechnologyHohhotChina
  2. 2.Department of Civil & Environmental EngineeringUniversity of TennesseeKnoxvilleUSA
  3. 3.School of Civil EngineeringShandong Jianzhu UniversityJinanChina
  4. 4.School of Civil EngineeringDalian University of TechnologyDalianChina

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