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Author:

Wang, W.J. (Wang, W.J..) | Li., Z.B. (Li., Z.B..) (Scholars:李振宝) | Shao, Y.D. (Shao, Y.D..) | Zhang, W.J. (Zhang, W.J..)

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EI Scopus

Abstract:

Experiments of axial compression were conducted using four full-scale reinforced concrete columns. One group of three columns used high-strength steel with the yield strength of 1000MPa, and the second group used the ordinary strength steel with yield strength of 400MPa for transverse steels. The performances, specific in bearing capacity and deformation ability between these two groups are discussed. Compared to the specimen with ordinary-strength steels, the bearing capacity of specimens with high-strength transverse steels increases 29% at most, and the deformation ability increases about 2 times when the bearing capacity decline 50%. At peak confined concrete stress, the effectiveness of high-strength transverse steel depends on configuration and volumetric ratio of transverse steel, and the better the concrete is confined, the higher the effectiveness of transverse steel. Five stress-strain models of confined concrete are used to calculate the bearing capacity of the specimens. Compared with experimental results, the calculation results shows that the results calculated by Razvi and Saatcioglu (1999) model agrees with the experimental results well, as well as the stress in transverse steel at peak concrete stress.

Keyword:

Deformation Bearing capacity High strength steel Stress-strain curves High performance concrete Engineering geology Reinforced concrete Earthquake engineering Concrete construction Yield stress Geophysics

Author Community:

  • [ 1 ] [Wang, W.J.]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, China
  • [ 2 ] [Li., Z.B.]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, China
  • [ 3 ] [Shao, Y.D.]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, China
  • [ 4 ] [Zhang, W.J.]Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, China

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Source :

Year: 2014

Page: 497-504

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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