Journal article

Blind bolted moment connection to unfilled hollow section columns using extended T-stub with back face support

J Lee, HM Goldsworthy, EF Gad



This paper presents the results of an experimental and analytical study into a new bolted moment connection between unfilled hollow section columns and open section beams, referred to herein as the extended T-stub connection with back face support. The connection is comprised of T-stubs connecting the top and bottom flanges of the beam to the face of the column and channels connecting the T-stubs to a backplate at the back face of the hollow section column. The addition of the channels to a standard T-stub connection helps to distribute the beam flange tension load to the back face of the hollow section column thus reducing demand on the flexible column face which often will compromise the s..

View full abstract


Awarded by ARC

Funding Acknowledgements

This research is supported by the ARC, Linkage Project No. LP0669334. The authors would like to acknowledge the invaluable contribution of the industry partners Dr. Saman Fernando from Ajax Engineered Fasteners and Mr. Hayden Dagg from Australian Tube Mills. The authors also wish to thank Mr. Rodney Wilkie, Mr. Shane Clee, Mr. Justin Fox and Dr. Huang (Jack) Yao for their excellent assistance with the experimental testing.