Xi'an University of Architecture and Technology

Limin Tian

Chong Bai

A reinforcement-confined circular steel tube member with enhanced end stiffness is provided. Two ends of a first end sleeve are respectively connected to a first end plate and a first connecting annular plate. Two ends of a second end sleeve are respectively connected to a second end plate and a second connecting annular plate. A first end of a circular steel tube passes through the first connecting annular plate to be inserted into the first end sleeve and fixed to the first end plate, and a second end of the circular steel tube sequentially passes through restraint rings and the second connecting annular plate to be inserted into the second end sleeve and fixed to the second end plate. Two ends of each steel bar are respectively provided with a first limit part and a second limit part.

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Xi'an, China

Limin Tian