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Item Information   Holdings       More by this author     Richard, Russell A.     Subjects     Finite element method     Plates (Engineering)     Steel, Structural     Load factor design     MSST Project.     Browse Catalog     by author:      Richard, Russell A.       by title:      Finite element analy...         MARC Display

Finite element analysis of square HSS section to base plate connections in tension / by Russell Richard. by Richard, Russell A. Subjects Finite element method   Plates (Engineering)   Steel, Structural   Load factor design   MSST Project. Description:  126 leaves : ill. ; 29 cm. + 1 CD-ROM. Contents:  Thesis advisor: Dr. Hans-Peter Huttelmaier Committee members: Chris Raebel, Dr. John Zachar Introduction, the problem -- Finite element analysis in problem solving -- Model design for this project -- Evaluation of finite element results -- Conclusions and recommendations -- Appendix B: Supplementary (CD-ROM). In the AISC Hollow Structural Sections Connections Manual base plates of HSS sections are discussed. Specific to this project, the equations for a base plate in axial tensile loading appear on page 7-9. As explained in the manual, "published solutions to determine the base plate thickness or weld design for the base plate-anchor rod connection [...] do not exist." It is the purpose of this Master's Capstone Project to determine how correct the given equation set is and suggest alternatives to the equation if necessary. The method by which this is accomplished is through the theoretical testing of many variations of square HSS and base plate thickness combinations in the finite element analysis program ANSYS 12. These finite element specimens are put in uniform tension applied to the end of the HSS to simulate uplift on a column. The force is resisted by four bolts. The models are observed for stress concentrations and possible failure modes. The models are also observed to determine if there is correlation between the given equations that would be applicable for each component and the model results. The finite element analysis results are somewhat limited due to the limitations of the academic version of the program that was used for experimentation; however, individual results demonstrate that the equations do not accurately describe the behavior of the connection. Specifically, the weld equations do not take into account all of the variables that are required to accurately describe the behavior of the weld. The weld strength equation only takes into account the size of the weld. The thickness of the plate, the radius of the corner of the HSS section and the size of both the plate and the HSS section affect the strength of the weld. Also, the weld strain equation is unneeded. The plate equation set takes into account all of the proper variables; however, the equation is used to describe one quarter of the equation, when as it is written, it should describe the entire connection. Based on the results of the finite element analysis, the equations that describe this connection should be altered to reflect all of the variables that affect the connections. The weld equation especially needs to be changed to include the variables that affect the strength of that part of the connection.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .R50 2010 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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