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Item Information   Holdings       More by this author     Nysse, Brian.     Subjects     Stair building     Strains and stresses -- Computer simulation.     Structural analysis (Engineering) -- Data processing     Welding     MATLAB     Finite element method -- Data processing     MSE Project.     Browse Catalog     by author:      Nysse, Brian.       by title:      Automated analysis o...         MARC Display

Automated analysis of concrete-filled metal-pan stairs / Brian Nysse. by Nysse, Brian. Subjects Stair building   Strains and stresses -- Computer simulation.   Structural analysis (Engineering) -- Data processing   Welding   MATLAB   Finite element method -- Data processing   MSE Project. Description:  61 leaves : ill. ; 29 cm. Contents:  Thesis advisor: Dr. Joseph Musto. Committee members: Dr. William Farrow, Dr. Subha Kumpaty. Introduction -- Literature review -- Methodology: Stringer - Uniform loading - Concentrated load - Welding -- Results and discussion -- Conclusions and recommendations -- Appendix A: Matlab stair program. The purpose of this project is to create a computer program to simplify the design and analysis of concrete-filled metal-pan stairs. In addition to the stress and deflection of each member, the program calculates the amount of welding required at each joint of the stair to make a proper connection. The program should help standardize the design and reduce the cost of stairs by providing a consistent analysis, proper member and weld sizes, and by reducing the drafting time required by determining the layout dimensions of the stair. The stair program is written in code for Matlab. The scope of the project and computer program is limited to a straight stair that is rigidly supported at both ends with no intermediate supports or landings. Inputs into the program include the stair loadings, material properties, and a minimum number of dimensions to define the components of the stair. The effects of the concrete were ignored for the stair analysis due to the uncertainty of the concrete properties, the purpose of the concrete, and the manufacturer of the stair bearing the majority of the responsibility of providing a structurally sound stair. The stair was analyzed by breaking the stair into three major components: the stringer, the riser, and the tread. Equations were then determined to separately calculate the stress and deflection of each component of the stair for a uniform and concentrated load. The required weld for the connection of the riser to the stringer and the connection between the stair pans was determined by analyzing the weld as a line with no area. A comparison of the Matlab program results to the FEA results indicates that the results strongly agree with each other over a wide range of input values for both the uniform and concentrated loads.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .N9 2007 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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