40 research outputs found

    Hormig贸n ligero armado. Fabricaci贸n, propiedades, ejecuci贸n, resistencia y densidad aparente del hormig贸n ligero armado

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    Not availableEl hormig贸n ligero armado registra un desarrollo muy pronunciado no s贸lo en la Rep煤blica Federal Alemana, sino tambi茅n en el mundo entero. Pr谩cticamente no existe un sector de la construcci贸n en el que no se utilicen sus ventajas. Debido a las propiedades favorables del material, el hormig贸n ligero armado abre nuevas posibilidades al conjunto de la construcci贸n en hormig贸n. Hoy en d铆a, es posible, con las instalaciones normales existentes, tanto en las f谩bricas de hormig贸n como en la obra, preparar econ贸micamente hormigones ligeros de las calidades LB 120 a LB 450 con densidades aparentes en el hormig贸n de 1,2 a 1,8 t/m3 La condici贸n m谩s importante para la elaboraci贸n de hormig贸n ligero es, en primer lugar, el conocimiento exacto de los valores caracter铆sticos del material; tambi茅n conviene conocer la peculiaridad y naturaleza de todos los componentes del hormig贸n ligero, y su combinaci贸n con el acero bajo la forma de material de construcci贸n mixto

    A review of zoonotic infection risks associated with the wild meat trade in Malaysia.

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    The overhunting of wildlife for food and commercial gain presents a major threat to biodiversity in tropical forests and poses health risks to humans from contact with wild animals. Using a recent survey of wildlife offered at wild meat markets in Malaysia as a basis, we review the literature to determine the potential zoonotic infection risks from hunting, butchering and consuming the species offered. We also determine which taxa potentially host the highest number of pathogens and discuss the significant disease risks from traded wildlife, considering how cultural practices influence zoonotic transmission. We identify 51 zoonotic pathogens (16 viruses, 19 bacteria and 16 parasites) potentially hosted by wildlife and describe the human health risks. The Suidae and the Cervidae families potentially host the highest number of pathogens. We conclude that there are substantial gaps in our knowledge of zoonotic pathogens and recommend performing microbial food safety risk assessments to assess the hazards of wild meat consumption. Overall, there may be considerable zoonotic risks to people involved in the hunting, butchering or consumption of wild meat in Southeast Asia, and these should be considered in public health strategies

    Beton: Arten, Herstellung und Eigenschaften. - 2. Aufl.

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    Internationale Koordinierung der Bautechnik Taetigkeitsbericht 1981

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    TIB: RN 5973 (1811) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

    Nachtraegliche Verstaerkung von Stahlbeton- und Spannbetonquerschnitten

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    SIGLETIB Hannover: in L bau 512j/ZA 4681 (326)+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman
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