Knowledge Core Collection:
https://hdl.handle.net/11681/46643
2024-03-28T22:40:12ZHazardous and solid waste management planning in select African countries
https://hdl.handle.net/11681/48333
Title: Hazardous and solid waste management planning in select African countries
Authors: Wilson, Emily E.; Davidson, Susannah C.; McDermott, Andrew W.; Urban, Angela B.
Abstract: Managing wastes produced during contingency operations in United States Africa Command (USAFRICOM) locations has historically relied on local contract disposal or open-air burn pits, which have been shown to be harmful to the health of service members. Posture locations that can find alternative ways to manage waste, specifically through contracts with the host country’s waste services, can better protect the health and safety of the warfighter and the native landscapes. African waste systems are complex, decentralized systems with considerable regional variation. The lack of government-funded waste management services leaves many residents with few options for safe disposal. The differing waste disposal strategies are described to offer guidance for military operations in the focus countries of Gabon, Ghana, Kenya, Morocco, Niger, Senegal, and Uganda. Relevant international agreements regulating the flow of hazardous waste across borders that can impact disposal plans are also noted. This report serves as a reference to develop waste management alternatives in the USAFRICOM area of responsibility (AOR). Official Department of Defense and Army regulations should be consulted when devising an integrated waste management plan.
Description: Technical Report2024-03-01T00:00:00ZHistoric context for the WWII internment and prisoner-of-war (POW) compound at Fort McCoy, Wisconsin
https://hdl.handle.net/11681/48133
Title: Historic context for the WWII internment and prisoner-of-war (POW) compound at Fort McCoy, Wisconsin
Authors: Schmidt, Aaron R.; Baxter, Carey L.; Schacht, Kayley R.
Abstract: This report provides a comprehensive historic context for the enemy alien internment compound and prisoner-of-war (POW) compound at Fort McCoy, Wisconsin, during World War II (WWII). Through primary and secondary sources, it illustrates the development of the internment and POW program at the installation, the built environment, labor details, and aspects of daily life. Although buildings associated with the internment and POW compound are no longer extant, researchers georeferenced historic maps of the compound to create digital footprints of the demolished infrastructure. Additionally, researchers generated and analyzed lidar returns to accentuate the signatures of former building foundations. Together, these processes can help fieldwork investigators determine the approximate locations of former internment and POW infrastructure.
Description: Technical Report2023-11-01T00:00:00ZLevees and dams at Fort Riley, Kansas, and the response to the 1951 flood
https://hdl.handle.net/11681/48090
Title: Levees and dams at Fort Riley, Kansas, and the response to the 1951 flood
Authors: Adams, Sunny E.; Schmidt, Aaron R.; Smith, Adam D.
Abstract: This project provides a historic context and inventory for the levees and dams constructed at Fort Riley, Kansas. The purpose of this his-toric context and inventory is to determine the levees and dams’ eligibility for listing in the National Register of Historic Places (NRHP). Determinations of eligibility to the NRHP are then made based on the significance of the levees and dams and the degree to which they retain their integrity for conveying that significance. The authors inventoried and evaluated three levees and two lake dams on the installa-tion. Based on the historic context and inventory, researchers for this project have determined that one structure, the Camp Forsyth levee, is eligible for NRHP listing. None of the other levees and dams are eligible for NRHP listing. Additionally, there is not enough evidence to establish a noncontiguous historic district for the levees and dams at Fort Riley.
Description: Technical Report2023-12-01T00:00:00ZSimulated barge impacts on fiber-reinforced polymers (FRP) composite sandwich panels : dynamic finite element analysis (FEA) to develop force time histories to be used on experimental testing
https://hdl.handle.net/11681/48080
Title: Simulated barge impacts on fiber-reinforced polymers (FRP) composite sandwich panels : dynamic finite element analysis (FEA) to develop force time histories to be used on experimental testing
Authors: Perez-Rivera, Anthony; Trovillion, Jonathan C.; Stynoski, Peter B.; Ryan, Jeffrey P.
Abstract: The purpose of this study is to evaluate the dynamic response of fiber-reinforced polymer (FRP) composite sandwich panels subjected to typical barge impact masses and velocities to develop force time histories that can be used in controlled experimental testing. Dynamic analyses were performed on FRP composite sandwich panels using the finite element method software Abaqus/Explicit. The “traction-separation” law in the Abaqus software is used to define the cohesive surface interaction properties to evaluate the damage between FRP composite laminate layers as well as the core separation within the sandwich panels. Numerical models were developed to better under-stand the damage caused by barge impacts and the effects of impacts on the dynamic response of composite structures. Force, displacement, and velocity time histories were obtained with finite element modeling for several mass and velocity cases to develop experimental testing procedures for these types of structures.
Description: Technical Report2024-01-01T00:00:00Z