Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 101 for “"Rocking"”.
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Bio-Inspired Segmented Self-Centering Rocking Frame
… a literature review of the human spine and rocking structural systems. The goal of this phase was to identify concepts from the spine that could be transferred to a lateral force resisting system. The second phase involved creating a 3-dimensional model of the lumbar region of the spine in …
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Base isolation benefits of rocking and uplift
… it to rock and uplift. In order to avoid this rocking and uplifting, unnecessary dead weight, oversized projections, or other special techniques have traditionally been used to anchor the buildings to their foundations. These precautions, however, directly or indirectly lead to higher costs for …
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Investigation of Modular Cross-Laminated Timber Rocking Walls and Rocking Wall -- Light-Frame Shear Wall Dual Systems for Seismic Resilience
… design of post-tensioned cross-laminated timber rocking walls (PT-CLT-RW) for resilient wood construction. This research focuses on experimental, analytical, and numerical investigations into PT-CLT-RW systems, both as stand-alone and as a dual lateral force resisting systems (LFRS) with wood …
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Soil-Structure Interaction for low damage Seismic Rocking Systems
… Seismic protection of structures by means of rocking isolation is becoming increasingly popular, since allowing uplift is an inexpensive way to reduce the damage demand placed in structures. However, understanding the role of soil–structure interaction in the response of rocking systems …
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Modeling and vibration analysis of a rocking–mass gyroscope system
Rocking-mass gyroscope consists of an assembly of four cantilever beams with a rigid mass attached to them in the middle subjected to base rotations. Due to the gyroscope effect, the beams undergo coupled flexural-torsional vibrations. The main goal of the research is to develop an accurate model …
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Comparison of layered surface visualization through animated particles and rocking
… a user experiment comparing pendulum-style rocking, static renderings and Kinetic Visualization on sets of two surfaces. This showed that rocking alone results in more accurate depth judgements, indicating that the “Kinetic Depth Effect” is not induced by Kinetic Visualization. A follow-up …
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Influence of soil parameters on the motion of rocking walls
… a system in earthquake engineering in 2004 [6], rocking walls are a fairly new system in earthquake engineering. Their performance has been proven, both in research as in practice. However, a few uncertainties about their behavior still remain. One of these uncertainties is the effect of …
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Dynamic Stability of Adobe Walls (Overturning, Shaking Table, Cracking, Rocking Model, Soil)
… at the base. Afterwards, most of them showed a rocking response. Failure occurred by overturning (short specimens) or by upper-level cracking (tall specimens). The stability failure was predicted on basis of a rocking model that considers the deformability of the walls.
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Beyond Rocking the Vote: An Analysis of Rhetoric Designed to Motivate Young Voters
Attempts to solve the continued problem of low youth voter turnout in the U.S. have included get out the vote drives, voter registration campaigns, and public service announcements targeting 18- to 25-year-old voters. Pay Attention and Vote added to this effort to motivate young voters in its 2006 …
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Assessment of Foundation Rocking Behavior in Reducing the Seismic Demand on Horizontally Curved Bridges
… In order to investigate the system effects of rocking foundations, a two-fifth scale, three-span horizontally curved steel plate girder bridge experiment was conducted on the shake table array in the Large-Scale Structures Laboratory at the University of Nevada, Reno. The bridge consisted of …
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Rocking and rolling down an incline : the dynamics of nested cylinders on a ramp
… were observed. First, in what we shall call the "rocking" mode, after an initial settling period, the shell rocks back and forth without moving down the ramp. Second, we observed "slow, quasi-steady rolling"; this mode is characterized by the system proceeding down the hill at essentially a …
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Simultaneous effect of slenderness, spatially varying excitation and support flexibility on dynamics of rocking bridges
… temporarily and partially separated. The first rocking bridge in the world, i.e., the South Rangitikei viaduct, was built in New Zealand and has survived several thousand earthquakes. Studies on rocking bridges have been conducted. However, experimental research is scarce. Most studies have been …
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Rocking the gender boat: resistance to traditional gender norms among Surface Warfare-qualified Navy women
Given that the military is widely recognized as one of the central sites of gender definition and production in society, my dissertation explores the ways in which women who voluntarily enter the military, a traditionally male preserve, may be acting in ways that are subversive to the gender order. …
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Seismic Rehabilitation of Steel Moment Frames Vulnerable to Soft-Story Failures Through Implementation of Rocking Cores
… strategy consists of a sufficiently stiff Rocking Core (RC) pinned to the foundation and pin connected to the existing frame. For demonstration purposes, two representative benchmark steel moment frames, which are modified from the three- and nine-story pre-Northridge steel moment frames …
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Jamming as a Curriculum of Resistance: Popular Music, Shared Intuitive Headspaces, and Rocking in the "Free" World
<p>This project opens space for looking at the world in a musical way where “jamming” with music through playing and listening to it helps one resist a more standardized and dualistic way of seeing the world. Instead of having a traditional dissertation, this project is organized like a record …
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Construction and seismic testing of a resilient two-story mass timber structure with cross laminated rocking walls
… structure with a resilient post-tensioned rocking wall lateral system made from cross laminated timber (CLT) product. The post-tensioned rocking walls helped to dissipate seismic forces while allowing the other parts of the structure to remain damage-free through multiple seismic events. …
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Seismic Rehabilitation of Steel Concentrically Braced Frames Vulnerable to Soft-Story Failure Through Implementation of Rocking Cores
… strategy consists of a sufficiently stiff rocking core (RC) pinned to foundation and connected to the existing frame. For demonstration purpose, two representative benchmark steel CBF buildings, which are the three-and six-story CBFs designed forLos Angelesin the SAC Steel Project, are …
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Rocking the Regime: The Role of Argentine Rock Music in a Changing Socio-Political Context (1970--1985)
"I further posit that the rock nacional phenomenon had a collaborative authorship, articulated through the (often unintended and unwilling) interaction of many individuals and institutions, including state, artists and public. Both the military men so demonized by many Argentines as well as the …
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Holding and rocking the full-term neonate: the immediate and residual effects on behavioral state and heart rate
… immediate and residual responses to holding and rocking, and how these responses relate to previously proposed mechanisms to explain long term benefits found when infants are repeatedly exposed to tactile and vestibular stimulation. This form of stimulation has been proposed to increase infants' …
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