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Category: Publications: Construction Engineering and Research Laboratory (CERL)
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  • Historic Context for the WWII Internment and Prisoner-of-War (POW) Compound at Fort McCoy, Wisconsin

    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.
  • An Elastic-Inelastic Model and Embedded Bounce-Back Control for Layered Printing with Cementitious Materials

    Abstract: This paper presents a finite-deformation model for extrusion-based layered printing with cementitious materials. The evolution of mechanical properties as the printed material cures and stiffens results in nonphysical reduction in the magnitude of elastic strains when standard constitutive models are employed. This elastic recovery of the printing induced deformation contradicts the experimentally observed behavior of the printed cementitious materials that harden at a nearly-frozen deformed state. A thermodynamically motivated constraint on the evolution of elastic strains is imposed on the constitutive model to remedy the nonphysical bounce-back effect. An algorithm that is based on a strain-projection technique for the elastic part of deformation is developed that complements the inelastic response given by the Drucker–Prager model. It is then embedded in a finite strain finite element framework for the modeling and simulation of cure hardening and inelastic response of the early age cementitious materials. A ghost mesh method is proposed for continuous layer-wise printing of the material without the need for intermittent mesh generation technique or adaptive remeshing methods. The model is validated via comparison with experimental data and representative test cases are presented that investigate the mathematical and computational attributes of the proposed model.
  • Levees and Dams at Fort Riley, Kansas, and the Response to the 1951 Flood

    Abstract: This project provides a historic context and inventory for the levees and dams constructed at Fort Riley, Kansas. The purpose of this historic con-text 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 installation. Based on the historic context and inventory, researchers for this project have determined that none of the levees and dams are eligible for the inclusion in the NRHP nor was there enough evidence for a noncontiguous historic district at Fort Riley.
  • 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

    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.
  • The Black Experience at Fort Huachuca during WWII: An Interpretation and Exhibit Plan for the Mountain View Officers’ Club

    Abstract: This technical report serves as a contextual planning document for an interpretive exhibit within and surrounding the Mountain View Officers’ Club, Building 66050, at Fort Huachuca, Arizona. During World War II (WWII), the Mountain View Officers’ Club served as the installation’s Black officers’ club. It served as various other uses until 2004, at which point it became vacant. Today, Fort Huachuca is planning to rehabilitate the building into a mission use space with an indoor-outdoor exhibit space for visitor use within the rehabilitation plan footprint, an 8.15 acre Area of Potential Effect (APE) including the WWII building and associated adjacent features. This report provides numerous potential Courses of Action regarding methods of exhibiting and interpreting historic materials and information in the public spaces within the APE. The Courses of Action chosen during a future Design-Build phase will be based on factors currently unknown, such as funding and staffing; thus, this document serves as a Phase I concept plan for ideas that will be further developed and finalized during the Phase II Design-Build phase. This report also provides guidance for course of action implementation pending factors currently unknown. Fort Huachuca will keep this report in both digital and analog format in perpetuity. ERDC-CERL will also publish it online and make it available to the public free of cost.
  • Cartographic Comparative Analysis of Undocumented Farmsteads at Fort McCoy, Wisconsin

    Abstract: Government acquisition of farmland within the present-day boundaries of Fort McCoy is defined by two consequential events: the founding of the installation in 1909, and its expansion in the early 1940s to provide training lands during World War II. Since the 1990s, Fort McCoy’s cultural resources manager (CRM) has sponsored archaeological investigations to determine the eligibility of former farmstead sites for the National Register of Historic Places (NRHP). Using geographic information systems (GISs) to compare historic cartographic sources, this project attempts to ascertain whether there are additional farmstead sites at Fort McCoy that may have been overlooked in existing archaeological investigations. Additionally, it provides a short summary of farmstead archaeological activity at Fort McCoy over the past 20 years, a brief historic context highlighting characteristics of farmsteads in the Upper Midwest, and a brief explanation of enhanced lidar techniques that personnel at Fort McCoy can explore for future use. Finally, an appendix provides a list of questions that may be used to conduct oral interviews with descendants of families who farmed within the present-day boundaries of Fort McCoy.
  • Rotorcraft Resupply Site Selection (RRSS) v1.0 and the USACE Model Interface Platform (UMIP): Documentation and User’s Guide

    Abstract: This research effort aimed to create an operational prototype of the Geomorphic Oscillation Assessment Tool (GOAT) v1.0, developed by the US Army Engineer Research and Development Center, as a part of the US Army Corps of Engineers’ Model Interface Platform (UMIP). This platform is a web-based software that allows for easy and rapid construction and deployment of spatial planning and analysis capabilities. The prototype tool in UMIP represents the science embedded in GOAT while providing a user-friendly interface for interaction and spatially referenced result viewing. It also includes user access control, data storage, and integration with a long-term data management system, enabling users to access, share, and interrogate past analyses through profile management and result persistence. The prototype tool incorporates surface roughness into terrain suitability assessment tools used in the forward arming and refueling point (FARP) site-selection process.
  • Fort Riley German POW Stonework Historic Context and National Register of Historic Places (NRHP) Evaluation

    Abstract: This project provides a historic context for the German prisoner-of-war (POW) experience at Fort Riley, Kansas, and an inventory of stonework features constructed using POW labor during World War II (WWII). The purpose of this historic context and inventory is to determine the stone-work’s eligibility for listing in the National Register of Historic Places (NRHP). Based on the historic context and inventory, researchers for this project have determined that there is a potential noncontiguous historic district at Fort Riley. This “German POW Stonework Historic District” at Fort Riley is composed of three linear segments: one concentrated around a stone drainage ditch at Camp Forsyth, one concentrated on a series of stone check dams at Camp Whitside, and one concentrated on a stone levee ditch and culvert at Camp Funston. Additionally, researchers have determined that 12 additional stonework features outside the proposed historic district boundaries are potentially eligible for the NRHP. These include a stone vehicular culvert at Camp Forsyth and four drainage gutters within Fort Riley’s main cantonment
  • The Importance of Environmental Product Declarations in the Decarbonization Effort

    Abstract: An Environmental Product Declaration (EPD) is a disclosure document that communicates how a product or material affects the environment throughout its life cycle. EPDs are used across many industries and government organizations as an accurate source of information when making procurement decisions to minimize environmental impacts. Developed by businesses and certified by third-party organizations, EPDs are created to communicate the environmental impacts of specified life-cycle stages of a product. As such, EPDs can be an important tool for organizations working toward carbon reduction goals, such as the Army’s decarbonization goals of Executive Order (EO) 14,057 and the Army Climate Strategy. This document summarizes the current state of EPDs, including how they are created, how they can be used to help analyze the environmental impacts of construction materials, and how they are being used by government entities. Also discussed are other decarbonization tools and methods to integrate EPDs, providing a more wholistic approach to the construction industry’s activities and impacts. The document concludes with a discussion of the challenges and the future of EPDs.
  • Analysis of the Army Transition from LEED 2009 to LEED v4, with Updated LEED 4.1 Credits

    Abstract: The objective of this effort was to identify and recommend an approach for Army green building certification that ensures Army projects meet federal and Army sustainability requirements during the transition from Leadership in Energy and Environmental Design (LEED) 2009 to LEED v4. The first Army LEED v4 project was registered for certification with the Green Building Certification Institute in 2014. Since then, over 860 Army projects were registered for LEED v4 certification. As of the third quarter of FY20, when this report was written, 2 projects achieved LEED Silver certification. Other Army projects teams documented difficulty achieving the required LEED v4 Silver certification due to difficult site conditions, budget constraints, facility types, or project requirements. Commercial-sector project teams also had difficulty certifying with LEED v4, forcing the United States Green Building Council (USGBC) to reconsider the credits and metrics project teams found challenging. The USGBC revised the troublesome credits and now offers LEED v4.1 pilot credits that can be used for any project registered with LEED v4. To assist Army project teams, this research investigates difficult-to-achieve LEED v4 cred-its and their possible replacement with LEED v4.1 pilot credits. The report concludes with guidance on implementing the updated version of the LEED rating system from v4 to v4.1.