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 29 for “"Infrastructure maintenance"”.
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Outsourcing transportation infrastructure maintenance : a theoretical approach with application to JR East
In transportation agencies, how to reduce maintenance and operation cost is one of the biggest and most common concerns, because their revenue is not expected to increase drastically in the future. One of the solutions undertaken nowadays is contracting out and utilizing contractors' efficiency for …
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Evaluating Trust in AI-Assisted Bridge Inspection through VR
… with particular implications for critical infrastructure maintenance. This study examines the assurance goals of AI—security, explainability, and trustworthiness—within Virtual Reality (VR) environments for bridge maintenance. Adopting a within-subjects design approach, this research …
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The Post-Communist Urban Landscape of Bucharest, Romania
… and academic literature related to public infrastructure maintenance. The influences of failed public project initiatives, free market real estate development, and the socio-economic conditions of the city are examined. Theoretical and structural changes experienced by the city during and …
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Paying for municipal stormwater services : a case study on drivers of stormwater user fees in three Massachusetts communities
… at the municipal level can be expensive, from infrastructure maintenance to implementing regulatory best practices. These needs have put pressure on municipalities to look for a stable source of revenue that extends beyond general tax appropriations for public works projects. In this context, …
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Simultaneous Vibration Control and Energy Harvesting of Nonlinear Systems Applied to Power Lines
The resilience of power infrastructure against environmental challenges, particularly wind-induced vibrations, is crucial for ensuring the reliability and longevity of overhead power lines. This dissertation extends the development of the Mobile Damping Robot (MDR) as a novel solution for …
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Essays on Urban Resilience to Environmental and Health Risks
… risks and the implications for urban policy and infrastructure planning. Chapter 1 examines how the financing structure of climate resilience infrastructure impacts long-term economic dynamics. Using satellite imagery to develop new performance metrics for U.S. flood protection levees, I find …
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Fair and Risk-Averse Resource Allocation in Transportation Systems under Uncertainties
… transit to urban air mobility and multi-stage infrastructure maintenance - we develop three models: DrFRAM, FairUAM, and FCMDP. Each of these models, despite being proven NP-hard even in a simplistic case, inspires us to develop efficient solution algorithms. We derive mixed-integer linear …
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An investigation into the integration of ICTs in teaching and learning mathematics at the primary school level in selected schools of Pemba district, Southern province.
… Additionally, poor technical and physical infrastructure further constrained ICT adoption. While teachers demonstrated strong Content Knowledge (CK) and Pedagogical Knowledge (PK), their Technological Knowledge (TK) and Technological Content Knowledge (TCK) were insufficient, hindering …
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Bridge-vehicle interaction for structural health monitoring: potentials, applications, and limitations
… Health Monitoring (SHM) is an integral part of infrastructure maintenance and management systems due to socio-economic, safety and security reasons. The behaviour of a structure under vibration depends on structure characteristics. The change of structure characteristics may suggest the change …
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Enhancing Coast Guard Infrastructure Management: A Multi-Criteria Framework for Prioritizing Maintenance Projects
… decision-making process for prioritizing shore infrastructure maintenance and repair projects. Current decision-making subjectivity appears to be generating inadequate project prioritizations. Stakes are high for an aging infrastructure portfolio in harsh coastal conditions, with increased …
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Navigating environmental, economic, and hydrologic tradeoffs in the design of green infrastructure for stormwater management in urban settings
… in impermeable land uses, our stormwater infrastructure are becoming increasingly strained. The impending impacts of climate change will only worsen the situation, causing more extreme rain events resulting in flooding and in many of the United States’ cities, combined sewer overflows …
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A technological, economic and social exploration of phosphate recovery from centralised sewage treatment in a transitioning economy context
… basic sanitation needs and is faced with massive infrastructure maintenance and upgrading backlogs in the sanitation sector. Mature phosphate recovery technologies that produce high quality struvite for use in food production do exist. However, there is little evidence to indicate that similar …
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Brachiating power line inspection robot: controller design and implementation
… grid presents a significant problem for infrastructure maintenance. The high maintenance costs, coupled with challenging terrain, provide an opportunity for autonomous inspection robots. The Brachiating Power Line Inspection Robot (BPLIR) with wheels [73] is a transmission line inspection …
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Barriers and enablers to water access and community wellbeing in the Onesi constituency of Namibia: the case of Okalonga B and Onandjandja villages
… of water one can carry, administration of water infrastructure, maintenance of water infrastructure, ability to pay the set water fees and specific times allocated for collecting water. The barriers to accessing potable water negatively affect the well-being of communities. Communities felt that …
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Towards practical pressure-based leakage characterisation of water distribution pipes with a novel pipe condition assessment device
… helps in reducing water losses through planned infrastructure maintenance programmes. A pipe condition assessment device (PCAD) was thus developed which can detect, characterise leakage and assess the condition of the WDN. However, the efficacy and reliability of this device had not yet been …
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The impact of Amtrak performance in the Northeast Corridor
… and policies required for track renovation, infrastructure maintenance and quality train operations are also compromised. This provides a backdrop and motivation for the work done in this thesis. Amtrak is a vital transportation provider on the Northeast Corridor serving travelers between …
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Assessing Maintenance and Management of Infrastructure Systems Using Citizen Reported Service Requests
Maintaining current and future infrastructure will require smart practices to help better meet user needs with fewer financial resources. The recent adoption of information communication technologies, such as, 311-call centers enables city agencies to detect and more quickly respond to real-time …
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The role of the millennium challenge corporation compact project in improving equitable access to domestic water in Mtendere, Lusaka Zambia.
… The MCC focused on water supply and sanitation infrastructure investment and institutional strengthening in Lusaka, institutions like Lusaka city council and Lusaka water supply and Sanitation Company. This study was conducted to investigate the role of the Millennium Challenge Corporation …
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The role of the millennium challenge corporation compact project in improving equitable access to domestic water in Mtendere, Lusaka Zambia.
… The MCC focused on water supply and sanitation infrastructure investment and institutional strengthening in Lusaka, institutions like Lusaka city council and Lusaka water supply and Sanitation Company. This study was conducted to investigate the role of the Millennium Challenge Corporation …
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Critical assessment of right to safe water and sanitation in a South African informal settlement: a case study of Marikana, Cape Town
… show evidence of non-operational water supply infrastructure. The uncleanliness of the existing sanitation facilities contributes to health issues like water-borne diseases. The sanitation facilities lack the human right factor, for an example, facilities are not designed to accommodate the …
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