Research on Mechanical Properties of Prefabricated High-Strength Steel Reinforced Concrete Beam-Column Joints with Steel Ends

ZHANG Xiaowei; RONG Xian; YANG Hongwei; ZHANG Jianxin

doi:10.13204/j.gyjzG22051211

Volume 53 Issue 11

Nov. 2023

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ZHANG Xiaowei, RONG Xian, YANG Hongwei, ZHANG Jianxin. Research on Mechanical Properties of Prefabricated High-Strength Steel Reinforced Concrete Beam-Column Joints with Steel Ends[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 110-116. doi: 10.13204/j.gyjzG22051211

Citation:

ZHANG Xiaowei, RONG Xian, YANG Hongwei, ZHANG Jianxin. Research on Mechanical Properties of Prefabricated High-Strength Steel Reinforced Concrete Beam-Column Joints with Steel Ends[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 110-116. doi: 10.13204/j.gyjzG22051211

Citation:

ZHANG Xiaowei, RONG Xian, YANG Hongwei, ZHANG Jianxin. Research on Mechanical Properties of Prefabricated High-Strength Steel Reinforced Concrete Beam-Column Joints with Steel Ends[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 110-116. doi: 10.13204/j.gyjzG22051211

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Research on Mechanical Properties of Prefabricated High-Strength Steel Reinforced Concrete Beam-Column Joints with Steel Ends

doi: 10.13204/j.gyjzG22051211

1. School of Civil Engineering and Transportation, Hebei University of Technology, Tianjin 300401, China;
2. Civil Engineering Technology Research Center of Hebei Province, Tianjin 300401, China

Received Date: 2022-05-12

Abstract

Abstract

Three new fabricated high-strength reinforced concrete beam-column joints with steel ends were subjected to quasi-static loading tests to investigate their mechanical properties. The failure characteristics moment-rotation hysteresis curves, sheared-rotation skeleton curves in core area, strength degradation, and strain laws of the joints were analyzed. The test results showed that the proposed new prefabricated high-strength reinforced concrete beam-column joints occurred the expected shear damage in the core area. The connection between the embedded steel connectors and reinforced concrete beams was reliable. The prefabricated high-strength reinforced concrete beam-column joints with steel ends could effectively transfer internal forces, showing high rotation capacity and gentle strength degradation. Thus the joints showed a good mechanical properties. The spacer and the web set in the steel end could be stressed with the stirrups and concrete. The joint with webs between horizontal connecting plates and post-cast concrete in the assembly area exhibited the best mechanical properties among the three specimens.
- fabricated beam-column joint,
- steel connector,
- mechanical properties,
- HRB600,
- quasi-static loading

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References(20)

References

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