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Articles 1 - 15 of 15
Full-Text Articles in Risk Analysis
Sustainable Water Treatment Systems In The La Vega Region Of The Dominican Republic, Hannah Fulton, Justina Thomae, Jorge Del Angel, Ramin Ansari, Karina Peate, Rylan Elliott, Adam Spieth, Thalia May, Morgan Jung, Ernest R. Blatchley Iii, Rebecca C. Johnson
Sustainable Water Treatment Systems In The La Vega Region Of The Dominican Republic, Hannah Fulton, Justina Thomae, Jorge Del Angel, Ramin Ansari, Karina Peate, Rylan Elliott, Adam Spieth, Thalia May, Morgan Jung, Ernest R. Blatchley Iii, Rebecca C. Johnson
Graduate Industrial Research Symposium
Purdue University's service-learning course, Water Supply in Developing Countries (WSDC) is dedicated to ensuring access to safe drinking water in the La Vega region of the Dominican Republic. The focus in the current academic year is to enhance the functionality, sustainability, and independence of community-based water treatment systems installed by previous WSDC students. Despite the construction of four water systems since 2012, operational challenges ensued, rendering them currently inoperable. Our objective is to learn from past mistakes, restore the systems and ensure their continuous functionality. During the fall semester, class members assessed repair needs in two communities with existing systems, …
Flood Risk Data For Highway Projects, Nabil Ghalayini
Flood Risk Data For Highway Projects, Nabil Ghalayini
Purdue Road School
This presentation will provide project managers and engineers with a clear understanding of available FEMA Risk MAP flood hazard data to better inform project design. This presentation will broadly define flood risk, review the FEMA flood risk database as a source of risk parameters, contrast the regulatory Special Flood Hazard Area (SFHA) with Risk MAP depth and probability grids, and highlight the variability of risk within the SFHA.
Risk Management Decision Making For Security And Trust In Hardware Supply Chains, Zachary A. Collier, Thomas L. Polmateer, James H. Lambert
Risk Management Decision Making For Security And Trust In Hardware Supply Chains, Zachary A. Collier, Thomas L. Polmateer, James H. Lambert
CESUN Conference
Modern cyber-physical systems are enabled by electronic hardware and embedded systems. The security of these sub-components is a concern during the design and operational phases of cyber-physical system life cycles. Compromised electronics can result in mission-critical failures, unauthorized access, and other severe consequences. As systems become more complex and feature greater connectivity, system owners must make decisions regarding how to mitigate risks and ensure resilience and trust. This paper provides an overview of research efforts related to assessing and managing risks, resilience, and trust with an emphasis on electronic hardware and embedded systems. The research takes a decision-oriented perspective, drawing …
Internet Of Things For Sustainability: Perspectives In Privacy, Cybersecurity, And Future Trends, Abdul Salam
Internet Of Things For Sustainability: Perspectives In Privacy, Cybersecurity, And Future Trends, Abdul Salam
Faculty Publications
In the sustainability IoT, the cybersecurity risks to things, sensors, and monitoring systems are distinct from the conventional networking systems in many aspects. The interaction of sustainability IoT with the physical world phenomena (e.g., weather, climate, water, and oceans) is mostly not found in the modern information technology systems. Accordingly, actuation, the ability of these devices to make changes in real world based on sensing and monitoring, requires special consideration in terms of privacy and security. Moreover, the energy efficiency, safety, power, performance requirements of these device distinguish them from conventional computers systems. In this chapter, the cybersecurity approaches towards …
Latex Modified Concrete - Very Early Strength, Bobby Steele
Latex Modified Concrete - Very Early Strength, Bobby Steele
Purdue Road School
INDOT came out with specifications for a very early strength concrete to use on bridge deck overlays. This concrete is fast setting, which allows overlays to be performed over a weekend and benefits the traveling public with a short duration of traffic interference. Cure time to reach the strength requirement is 3 hours. E&B Paving performed the first application with the new spec on August 26, 2018. Many changes were also made to the INDOT Specification Section 722.
Robust Allocation Of Funds For Nonstructural Flood Risk Mitigation In Coastal Louisiana, Simón Gómez Sierra, David R. Johnson, Matthew P. Shisler, Zachariah T. Richardson
Robust Allocation Of Funds For Nonstructural Flood Risk Mitigation In Coastal Louisiana, Simón Gómez Sierra, David R. Johnson, Matthew P. Shisler, Zachariah T. Richardson
The Summer Undergraduate Research Fellowship (SURF) Symposium
Coastal Louisiana is a critical economic, ecological and cultural asset, acting as a major hub for waterborne commerce, fisheries, and the petrochemical industry, and also as one of the world’s unique wetlands. Unfortunately, this rich environment is in great danger from the threat of hurricanes and storm surge flooding. Direct economic losses are estimated to average $2.7 billion per year under current conditions, and this could increase to $12 billion a year, or more, within 50 years if nothing is done. To prevent this catastrophe, Louisiana has developed a Comprehensive Master Plan for a Sustainable Coast, which plans to spend …
Extra-Terrestrial Habitat Systems: Safety, Reliability, And Resilience, Jory C. Lyons Jr., Amin Maghareh, Audai Theinat, Shirley Dyke, Antonio Bobet
Extra-Terrestrial Habitat Systems: Safety, Reliability, And Resilience, Jory C. Lyons Jr., Amin Maghareh, Audai Theinat, Shirley Dyke, Antonio Bobet
The Summer Undergraduate Research Fellowship (SURF) Symposium
Developing a resilient extra-terrestrial habitat with regards to long-term reliability and safety from hazards including radiation, meteorites, and quakes is necessary to ensure human survival during interplanetary exploration. The objective of this study is to examine conventional aerospace safety and reliability analysis techniques to investigate whether they are sufficient to achieve resilience in extra-terrestrial habitats. These results will be obtained to complete a strengths, weaknesses, opportunities, and threats (SWOT) analysis of compiled techniques to design a sustainable habitat system. Failure modes, effects, and criticality analysis (FMECA) and probabilistic risk assessment (PRA) with their past applications will be assessed to provide …
Development Of An Unmanned Aerial System For Radiation Mapping In Nuclear Facilities, Jackson Ball, Guangying Jiang, Robert Bean
Development Of An Unmanned Aerial System For Radiation Mapping In Nuclear Facilities, Jackson Ball, Guangying Jiang, Robert Bean
The Summer Undergraduate Research Fellowship (SURF) Symposium
Efficiently planning a decontamination and decommissioning (D&D) operation at a nuclear facility requires detailed information on the conditions present. In the wake of a disaster, or just years of abandonment, a facility’s layout may have dramatically changed, making previous facility drawings unreliable, and radioactive particles may have been spread over the site, contaminating equipment and structures. Rather than tasking workers with mapping and characterizing the contamination, which can take days or weeks and poses a health and safety risk to the workers, mapping the site and locating contamination can be done remotely by an unmanned aerial vehicle (UAV), which would …
Numerical Modeling And Seismic Assessment Of Smart Isolation System For High-Speed Railway Rc Bridge Subjected To Near-Field Ground Motions, Lingkun Chen
The 8th International Conference on Physical and Numerical Simulation of Materials Processing
No abstract provided.
Quantitative Risk Evaluation Of Obstacle Limitation Surfaces For Final Approaches At Airports, Amila Silva, Alexandre G. De Barros
Quantitative Risk Evaluation Of Obstacle Limitation Surfaces For Final Approaches At Airports, Amila Silva, Alexandre G. De Barros
Journal of Aviation Technology and Engineering
Obstacle limitation surfaces (OLS) are the main safeguard against objects that can pose a hazard to aircraft operations at and around airports. The standard dimensions of the most of those surfaces were estimated using the pilot’s experience at the time when they were included in the standard documents. As a result, some of these standards may have been overestimated, while others may not provide an adequate level of safety. With airports moving to the Safety Management System (SMS) approach to design and operations safety, proper evaluation of the level of safety provided by OLS at specific sites becomes important to …
Flood Risk Management: An Illustrative Approach, Natainia S. Lummen, Y Nagayoshi, H Shirozu, T Hokamura, S Nakajo, F Yamada, N Okada
Flood Risk Management: An Illustrative Approach, Natainia S. Lummen, Y Nagayoshi, H Shirozu, T Hokamura, S Nakajo, F Yamada, N Okada
International Institute for Infrastructure Resilience and Reconstruction (I3R2) Conference
Widespread flooding with significant damage in many countries, such as the Philippines in 2013, highlights the ongoing need for effective flood risk management (FRM). This hinges on comprehensive access to and dissemination of information about the elements and the people at risk. Simulations, real-time graphs, and maps illustrate the spatial distribution of flood risks, spatial allocation and dissemination of flood effects, if flood risk reduction measures are not implemented, as well as the benefits to be derived from the effective implementation and maintenance of flood risk management measures not realized. Using precipitation, river water, and tide levels, a real-time monitoring …
Data Preparation For Validation Study Of Hazus Canada Flood Model, Heather Mcgrath, Emmanual Stefanakis, M Mccarthy, Miroslav Nastev
Data Preparation For Validation Study Of Hazus Canada Flood Model, Heather Mcgrath, Emmanual Stefanakis, M Mccarthy, Miroslav Nastev
International Institute for Infrastructure Resilience and Reconstruction (I3R2) Conference
As our climate changes, the occurrence of extreme weather events and heavier rainfall becomes more common. This change in weather patterns and precipitation results in a greater number of recorded flood events and a larger magnitude of flood events. Canadian municipalities are therefore facing a pressing demand to perform hazard assessments to identify communities at risk and measure potential economic and societal losses due to flood events. Federal Emergency Management Agency (FEMA) developed a standardized tool, Hazus-MH, for loss estimation from natural disasters for use in the US. Recently, Hazus has been adapted for use in Canada. This paper introduces …
Global Response For Capacity Building Of Disaster Preparedness: A Tiems Initiative, Kåre H. Drager, Thomas V. Robertson
Global Response For Capacity Building Of Disaster Preparedness: A Tiems Initiative, Kåre H. Drager, Thomas V. Robertson
International Institute for Infrastructure Resilience and Reconstruction (I3R2) Conference
At the end of 2013, the devastating consequences of the Typhoon Haiyan that struck the Philippines on November 8, 2013, were exposed worldwide through intensive media coverage. The death toll reached more than 6,000 people, and around one million people were displaced and in desperate need of help and support. The international community queued up to offer support and help and showed that worldwide solidarity works when we know our “brothers and sisters” are in desperate need of help. But how can this international community, eager to respond when disaster strikes, better help before disasters strike? Vulnerable areas in the …
Painted Rumble Stripes: Alternatives To Raised Pavement Markers (Rpms), Thomas M. Brennan Jr, Stuart R. Mikey, Darcy M. Bullock
Painted Rumble Stripes: Alternatives To Raised Pavement Markers (Rpms), Thomas M. Brennan Jr, Stuart R. Mikey, Darcy M. Bullock
JTRP Posters
This poster highlights research completed by the Joint Transportation Research Program (JTRP) led by Darcy Bullock, Lyles School of Civil Engineering, Purdue University, for JTRP Project SPR-3528, "Alternatives to Raised Pavement Markers (RPMs)." The poster includes photos taken at a construction site on State Road 25 located near Shadeland, Indiana. The top photo demonstrates how the center line corrected a driver when snow covered to avoid oncoming traffic. Photo was taken on US 231 near Country Road 800 in Tippecanoe County.
Public Perception Of Unmanned Aerial Vehicles, Alice Tam
Public Perception Of Unmanned Aerial Vehicles, Alice Tam
Aviation Technology Graduate Student Publications
This study explored public risk perception of unmanned aerial vehicles (UAV) for civilian commercial operations, including cargo and passenger transportation. Civilian operators are considering the use of UAVs to increase safety while reducing labor costs, but negative perceptions may delay the advancement of these aircraft. To document perception of UAV or UAS aircraft for commercial operations, a questionnaire was distributed to adults (ages 18+) who use commercial air travel. The survey classified age group, gender, and UAV familiarity as demographic variables. This study assessed risk perception of UAVs and its correlation to the variables through statistical analysis to identify whether …