Elastoplastic nonlinear analysis of flexibly jointed space frames

Ai-Bermani F.G.A. and Kitipornchai S. (1992) Elastoplastic nonlinear analysis of flexibly jointed space frames. Journal of Structural Engineering (United States), 118 1: 108-127. doi:10.1061/(ASCE)0733-9445(1992)118:1(108)


Author Ai-Bermani F.G.A.
Kitipornchai S.
Title Elastoplastic nonlinear analysis of flexibly jointed space frames
Journal name Journal of Structural Engineering (United States)   Check publisher's open access policy
ISSN 0733-9445
Publication date 1992
Sub-type Article (original research)
DOI 10.1061/(ASCE)0733-9445(1992)118:1(108)
Volume 118
Issue 1
Start page 108
End page 127
Total pages 20
Subject 2205 Civil and Structural Engineering
2210 Mechanical Engineering
2211 Mechanics of Materials
2215 Building and Construction
2500 Materials Science
Abstract Conventional approaches to the design and analysis of steel frames commonly assume the structure to be of either simple or rigid construction. In the simple construction approach, connections between members are not capable of transmitting moment, whereas in the rigid construction approach, full rotational continuity is provided. In practice, however, most connections are semirigid possessing some degree of rotational stiffness as a function of the applied load. A method for the nonlinear analysis of space frames incorporating the effect of flexible or semirigid joints is presented. A two-node zero length connection element with three rotational degrees of freedom per node is used to model the joint. The connection element may be introduced at one or both ends of a general thin-walled beam-column element, via kinematic transformation and static condensation. The proposed connection element may be represented by any set of nonlinear coupled or uncoupled, in-plane, out-of-plane, and torsional moment-rotation relationships. Several numerical examples are presented, which show that the response of a flexibly jointed frame is very sensitive to joint behavior.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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