3,613 research outputs found

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    Alien Registration- Nadeau, Patrick A. (Van Buren, Aroostook County)

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    https://digitalmaine.com/alien_docs/32329/thumbnail.jp

    Alien Registration- Nadeau, Joseph A. (Lewiston, Androscoggin County)

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    https://digitalmaine.com/alien_docs/27632/thumbnail.jp

    Articulating Concrete Blocks: The Long and Winding Road

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    This paper will provide an overview of Articulating Concrete Blocks (ACB’s) from three perspectives: 1. the Manufacturer, 2. The Engineer and 3. The Researcher and how these independent entities interact with each other and the regulatory community to further the scientific understanding and use of ACB systems. ACB’s, since their development in the late 1970’s, represent a growing choice of design engineers in economically solving their critical erosion prevention problems as well as a variety of other non-hydraulic applications. Typical applications of ACB’s are found in protecting channels and canals, dam spillways and embankments, bridge piers and abutments, river bank stabilization projects, boat ramps and wet stream crossings. The ACB manufacturers work closely with both the ACB design engineer, dam safety and environmental regulators and ACB researchers. Design challenges faced by the engineering and regulatory communities include but are not limited to non-linear flow paths, converging flows and hydraulic jump in their efforts to provide a robust and economical solution for their clients. The research community in working with the manufacturers have developed much data and insight into ACB performance and limitations since standardized testing started in the mid 1980’s, however each manufacturer “owns” this information and is reluctant to share with other manufacturer’s. Recent testing extending the length of the ACB revetment being tested has shown the consistent development of aerated flows which need to be further researched along with the hydraulic jump testing including analysis protocols being developed and converging non-linear flow scenarios

    Lessons learned from articulating concrete block (ACB) field installations

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    Presented at the Protections 2016: 2nd international seminar on dam protection against overtopping: concrete dams, embankment dams, levees, tailings dams held on 7th-9th September, 2016, at Colorado State University in Fort Collins, Colorado, USA. The increasing demand for dam and levee safety and flood protection has motivated new research and advancements and a greater need for cost-effective measures in overtopping protection as a solution for overtopping concerns at levees and dams. This seminar will bring together leading experts from practice, research, development, and implementation for two days of knowledge exchange followed by a technical tour of the Colorado State University Hydraulic Laboratory with overtopping flume and wave simulator. This seminar will focus on: Critical issues related to levees and dams; New developments and advanced tools; Overtopping protection systems; System design and performance; Applications and innovative solutions; Case histories of overtopping events; Physical modeling techniques and recent studies; and Numerical modeling methods.Includes bibliographical references.Articulating Concrete Blocks (ACBs) have been a popular choice for high performance erosion control applications and shoreline revetments for well over 35 years and continue to grow in popularity. Estimates point to over 200 dam embankments and emergency spillways having been armored with ACBs in the past 30 years. As a result of these applications, as well as the thousands of other projects not specific to dams, much has been learned from a theoretical as well as practical application standpoint of properly utilizing ACBs in the field. This presentation will provide information concerning ACB Factor of Safety (FOS) determination, briefly review the ACB testing protocols and data analysis, and discuss the practical uses and limitations of ACB applications. New installation techniques that show promise for improving ACB performance will be discussed. ACBs are a proven cost effective erosion countermeasure, however experience and attention to detail during the design and installation of systems is of paramount importance for expected performance

    Ensalada caliente y carnero verde: imágenes de la vianda en la poesía satírico-burlesca de Francisco de Quevedo

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    Este artículo analiza la identidad social y la historia culinaria a través de las imágenes de la vianda en la poesía satírico-burlesca de Francisco de Quevedo. Específicamente, los poemas de Quevedo, «Matraca de las flores y la hortaliza», «Boda y acompañamiento del campo» y «Los sopones de Salamanca», junto con los recetarios contemporáneos de Granado, Hernández de Maceras y Martínez Montiño muestran que la carne se privilegia por encima de la hortaliza; el carnero, por encima de la vaca; y que las ensaladas no se consumían en el círculo social más alto. Basándonos en la noción de la capital cultural de Bourdieu, vemos que las decisiones de la comida reflejan el estado social. En cuanto a la historia culinaria de España, estas obras proveen un vistazo a las prácticas culturales del temprano siglo XVII. Los pepinos se asociaban con poderes curativos, la lechuga (aceptada como un antiafrodisíaco) se comía cocinada y no cruda, y los mejores jamones eran de Rute y Algarrovillas. Estos ejemplos nos ofrecen una comprensión más amplia de la historia de la comida española y sus implicaciones tanto culturales como sociales
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