Graduate Thesis Or Dissertation
 

Static and dynamic analysis of wood-joist floors by the finite element method

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  • The conventional method for structural design of wood-joist floors is over-simplified and often results in stronger and stiffer floors than necessary. There is also a need to include in the floor design additional criteria dealing with human response to floor vibration such as that due to walking. This study develops a finite element method for static and dynamic analysis of joist floors. The finite element floor model consists of orthotropic plate elements and composite T-beam elements. The stiffness, mass, damping and load matrices of plate and beam elements are developed using fourth order Hermitian polynomials as displacement functions. Matrix displacement analysis is used to determine the floor response to static loads and numerical integration of equations of motion is used to evaluate the response to dynamic loads. The plate element matrices are verified by analyzing plates with known solutions and comparing the results. The method applied to floor systems is verified by comparing the analytical results to experimental results from a past study. Listings of the computer programs developed are included. The programs allow various options as the the type of analysis, structure and loading.
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  • File scanned at 300 ppi (Monochrome) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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