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Showing 1 to 7 of 7 for “"Forced Vibration Testing"”.
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Forced Vibration Testing and Analysis of Pre- and Post- Retrofit Buildings
<p>ABSTRACT</p> <p>Forced Vibration Testing and Analysis of Pre- and Post- Retrofit Buildings</p> <p>Erica Dawn Jacobsen</p> <p> The primary goal of the thesis was to detect the retrofit through vibration testing of both buildings. The secondary goal focused on correctly identifying the behavior of …
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Dynamic Analysis and Seismic Retrofit of the Point Sur Lighthouse
<p>The Point Sur Lighthouse is an unreinforced stone masonry building completed in 1889 on the central coast of California. The lighthouse is listed on the National Register of Historic Places and is still an active aid to navigation. The original first-order Fresnel lens was removed from the …
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Dynamic Testing and Modeling of a Superelevated Skewed Highway Bridge
… is needed to define the procedures for testing each bridge. The NDE techniques involve dynamic testing, and the protocol for this testing has yet to be finalized. To evaluate the dynamic testing guidelines, a 103 ft single-span, simply supported highway bridge was dynamically tested. The …
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Determination of the Modal Parameters of a Five Story Reinforced Concrete Structure Using Ultra-Low Level Excitation and Computational Analysis
… periods and mode shapes) using ultra-low level forced vibration testing and analytical modeling were critically compared. The structure utilized for this experiment is the Robert E. Kennedy Library on the campus of California Polytechnic State University San Luis Obispo, a five-story reinforced …
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System Identification of a Bridge-Type Building Structure
… of system identification through ambient and forced vibration testing. Interesting findings such as diaphragm flexibility, foundation flexibility and frequency shifts due to thermal effects were all found throughout the mode shape mapping process. Nine apparent mode shapes were experimentally …
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Identification of Physical Changes to a Steel Frame
The thesis utilized physical testing and computer modeling to determine the feasibility of identifying a change to the mass or stiffness of a steel frame. Physical testing was performed using an accelerometer, linear shaker, and arbitrary function generator. Two methods of laboratory testing were …
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Vibration-based finite element model updating and structural damage identification
… Structural health monitoring strategy based on vibration measurements for existing aging structures offers a promising technique for effectively managing the deteriorating structures. The main objectives of this research are to develop a procedure for finite element model updating by using …