Research on Mechanical Properties and Failure Criteria of Ring-Stiffened Tube-Gusset Plate Joints

YUAN Jun; QU Songzhao; WANG Huchang; WEI Sitong; SUN Qing

doi:10.13204/j.gyjzG21083107

Volume 53 Issue 11

Nov. 2023

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YUAN Jun, QU Songzhao, WANG Huchang, WEI Sitong, SUN Qing. Research on Mechanical Properties and Failure Criteria of Ring-Stiffened Tube-Gusset Plate Joints[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 156-160,187. doi: 10.13204/j.gyjzG21083107

Citation:

YUAN Jun, QU Songzhao, WANG Huchang, WEI Sitong, SUN Qing. Research on Mechanical Properties and Failure Criteria of Ring-Stiffened Tube-Gusset Plate Joints[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 156-160,187. doi: 10.13204/j.gyjzG21083107

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Research on Mechanical Properties and Failure Criteria of Ring-Stiffened Tube-Gusset Plate Joints

doi: 10.13204/j.gyjzG21083107

1. Northwest Electric Power Design Institute Co., Ltd., of China Power Engineering Consulting Group, Xi'an 710075, China;
2. School of Civil and Transportation Engineering, Henan University of Urban Construction, Pingdingshan 467036, China;
3. School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China

Received Date: 2021-08-31

Abstract

Abstract

Experimental and numerical investigation on ten ring-stiffened tube-gusset plate joints (RS-TGP joints) has been carried out. The mechanical properties and failure mode of RS-TGP joints under radial tension/compressive were studied. The failure criteria of RS-TGP joints were proposed. The failure mode of the RS-TGP joints under tension performed as tensile broken at the intersection of the gusset plate and ring stiffener while buckling of the ring stiffener at the location perpendicular to the loading direction. The failure mode of the RS-TGP joints under compressive was bulking of the ring stiffener. It was found that the RS-TGP joint was elastic when the ratio of joint deformation to chord diameter was less than or equal to 0.15%. However, the stiffness of the joint decreased rapidly as the ratio of the joint deformation to the chord diameter was greater than 0.15% and less than 2.0%. When the ratio of joint deformation to chord diameter was larger than 2.0%, the RS-TGP joint was in a plastic state and unable to carry the load. Thus, the ultimate bearing capality of the joint was determined by the failure criterion of the 2%D limit.
- tube-gusset plate joint,
- ring stiffener,
- mechanical property,
- failure criterion,
- ultimate bearing capacity

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References(27)

References

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