Multi-stage performance steel frame node

Abstract

The invention discloses a multi-stage performance steel frame joint, and relates to the technical field of steel frame structures. The steel frame joint comprises a hinge connecting piece, a compression-resistant limiting piece and a tensile limiting piece. The hinge connecting piece is used for hinging a long beam and a short beam. The compression-resistant limiting piece is located on the inner side of the joint of the long beam and the short beam, one end of the compression-resistant limiting piece is fixedly connected with the end of the short beam, and a gap is formed between the other end of the compression-resistant limiting piece and the end of the long beam; the tensile limiting pieces are connected to the outer sides of the joints of the long beams and the short beams through bolts. The multi-order performance nodes have obvious bearing capacity and rigidity improvement process after being limited under the action of reciprocating load. Compared with a common recoverable function node, the two hysteretic curves in the energy consumption stage are completely the same, and the difference is obvious during later bearing.

Images