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 55 for “"Load testing"”.
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Reliability models of load testing
… topics related to structural reliability and load testing are investigated in this dissertation. These consist of evaluation methods for reliability analysis given test information, advanced strength modeling based on material tests, and practical implementation of reliability models of load …
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An Empirical Assessment on the Techniques Used in Load Testing
There are two main problems associated with load testing research: (1) the testing environment might not be realistic and (2) lack of empirical research. To address the first problem, we systematically assess the performance behavior of the system with various realistic environment changes. Results …
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Service response and evaluation of prestressed concrete bridges through load testing
… protocol using experimental data to obtain the load rating of prestressed concrete bridges in Load and Resistance Factor Rating (LRFR) format. The proposed experimental evaluation approach will enable bridge owners to estimate, isolate and remove the unreliable parameters' contribution from a …
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Community-led study of access to antiretroviral therapy and viral load testing.
… Africa, yet sustained retention and viral-load testing remain fragile. In Ghana, sexual and gender minority (SGM) populations including men who have sex with men (MSM) and transgender women (TGW) experience intersecting vulnerabilities: the biomedical demands of living with HIV alongside …
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Bridge load testing and monitoring using conventional and image-based measurement strategies
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Statnamic Lateral Load Testing and Analysis of a Drilled Shaft in Liquefied Sand
Three progressively larger statnamic lateral load tests were performed on a 2.59 m diameter drilled shaft foundation after the surrounding soil was liquefied using down-hole explosive charges. An attempt to develop p-y curves from strain data along the pile was made. Due to low quality and lack of …
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Live Load Testing of Appalachia, Va Concrete Arch Bridges for Load Rating Recommendation
… Appalachia, Virginia were selected for live load testing by Virginia Department of Transportation (VDOT). Both bridges have supported an increasing amount of extreme coal truck traffic throughout their service life and are essential to the efficient transport of coal in the region. Because of …
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Load Testing Deteriorated Spans of the Hampton Roads Bridge-Tunnel for Load Rating Recommendations
… Virginia coast has taken its toll on the main load carrying girders. Concrete spalling has exposed prestressing strands within the girders allowing corrosion to spread. Some of the more damaged girders have prestressing strands that have completely severed due to the extensive corrosion. The …
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Live Load Testing and Analysis of the Southbound Span of U.S. Route 15 over Interstate-66
… of high quality data obtained through numerous testing processes. As part of the LTBP Pilot Program, researchers have performed live load tests on the U.S. Route 15 Southbound bridge over Interstate-66. The main performance and behavior characteristics focused on are service strain and …
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Acoustic Emission Techniques and Cyclic Load Testing for Integrity Evaluation of Self-Compacting Normal and Self-Compacting Lightweight Prestressed Concrete Girders
… on the performance and validation of the 24h load test method (24h LT), the cyclic load test method (CLT), and acoustic emission (AE) techniques when used on self-compacting prestressed lightweight and normal weight concrete girders. The current investigation examines data obtained from the …
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Prevention of mother to child transmission of HIV services: viral load testing among pregnant women living with HIV in Mutare District of Manicaland Province, Zimbabwe
… risk to their survival and well-being. Viral load (VL) testing of pregnant women living with HIV could contribute to improved care, thereby reducing the risk of vertical transmission of HIV from the mother to her infant. Aim The objective of this study was to describe HIV VL testing amongst …
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Ultra High Performance Fibre Reinforced Concrete Spandrel Cladding Panels in Façade Applications
… Reinforced Polymer (GFRP) reinforcing bars are load tested and compared to analytical calculations and the results of an elastic finite element analysis. Five panels are load tested, three subjected to static load testing, and two subjected to fatigue load testing. The deflection of the panels …
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Classification of HIV virological failure using whole blood versus plasma viral load
Introduction: HIV viral load testing is the preferred monitoring approach for HIV infected patients on combination antiretroviral therapy (cART) as it is more sensitive than CD4 count and clinical monitoring. In resource limited settings, timely plasma separation and transportation to testing …
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Model Validation for a Steel Deck Truss Bridge over the New River
… with data recorded from 14 members during live load testing. The research presented herein is part of a larger endeavor to understand the structural behavior and collapse mechanism of the erstwhile I-35W bridge in Minneapolis, MN. Objectives accomplished toward this end include investigation of …
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Lean principles, behaviors and implementation strategies for the automotive product design and development
… sub-processes: head lamp appearance design, road load testing, and prototype build process. The value-added activities and wastes are analyzed using a value-stream mapping approach. Lean solutions are proposed in each case and for the overall organization. The last part of the thesis suggests the …
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Top Strand Effect and Evaluation of Effective Prestress in Prestressed Concrete Beams
… length were determined through iterative load testing. The top strand effect on development length was more qualitative than quantitative. Ranges of development length in normal beams were conservatively less than code provisions. Ranges of development length in beams with inverted casting …
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Characterization of Anisotropic Granular Layer Behavior in Flexible Pavements
A laboratory testing protocol and analytical solution technique have been developed based on theories of elasticity to determine the cross-anisotropic material properties of unbound granular materials from triaxial repeated load testing with using UI-FastCell which has custom designed for testing …
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Reuse of hybrid car power systems
… on a demonstration vehicle for the purpose of load testing.
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Design and Analysis of a Novel Multilevel Single Phase Interconnected H-bridge Inverter
… and analyzed through simulation and hardware testing to demonstrate a working model. Load testing is performed on the inverter output as well as analysis of a custom filter to optimize the output total harmonic distortion (THD). Results from measurements done in simulation and hardware …
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