Behavior of New Type of Semi-Rigid Joints under Moment and Tensional Force


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In the system of preventing progressive collapse, the joints always play a key role in catenary action and alternate load path while the joints are usually under the combination of bending moment and tensional force. In this combination, high rotation capacity and good resistance of joints are demanded. In this paper, a new type of semi-rigid joint used in the structures with concrete-filled square steel tube (CFST) columns is proposed and developed by ABAQUS. The new type joint is suitable for the classification for semi-rigid connection; The bending moment resistance of the joint decreases linearly with the increase of tensional force; reducing pretension force reasonably is beneficial for the tensional force to develop “catenary action”; the width of short leg of angle would influence the moment resistance of the joint evidently; the initial rotation stiffness is not affected by width of leg dramatically.



Edited by:

Chunliang Zhang and Paul P. Lin




M. Xu et al., "Behavior of New Type of Semi-Rigid Joints under Moment and Tensional Force", Applied Mechanics and Materials, Vols. 226-228, pp. 1165-1169, 2012

Online since:

November 2012




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