. . . . "Duff Abrams"@nl . . . . . . "Duff A. Abrams, f\u00F6dd 1880 i Illinois, d\u00F6d 1965 i New York, var en amerikansk forskare inom sammans\u00E4ttning och egenskaper hos betong. Han utvecklade grundl\u00E4ggande testmetoder f\u00F6r betong som anv\u00E4nds fortfarande idag. Som professor vid studerade han de ing\u00E5ende grundmaterialen i betong under tidigt 1900-tal. D. A. Abrams var forskare, professor, och chef f\u00F6r vid i Chicago. Han unders\u00F6kte hur olika betongblandningar inverkade p\u00E5 slutproduktens h\u00E5llfasthet. N\u00E5gra av resultaten fr\u00E5n hans forskning \u00E4r: \n* definition av begreppet ; \n* definition av vattencementtal; \n* en testmetod f\u00F6r betongblandningens (gjutbarhet) genom anv\u00E4ndning av . I ett omfattande forskningsprogram best\u00E4mde Abrams f\u00F6rh\u00E5llandet mellan vattencementtalet och . Resultaten publicerades f\u00F6rsta g\u00E5ngen 1918. Han var ocks\u00E5 ordf\u00F6rande i (ACI) fr\u00E5n 1930 till 1931."@sv . . . . "Duff A. Abrams (Illinois, 1880 \u2014 New York, 1965) was een Amerikaans onderzoeker op het gebied van de samenstelling en eigenschappen van beton. D.A. Abrams was onderzoeker, hoogleraar, en directeur van het Portland Cement Association researchlaboratorium te Chicago. Hij deed baanbrekend onderzoek naar de invloed van de samenstelling van betonspecie op de sterkte van het eindproduct. De belangrijkste resultaten van zijn onderzoek waren: Duff Abrams was president van de American Concrete Association (ACI) van 1930 tot 1931."@nl . . . . . . . "Duff Abrams"@en . . . . . . . . "Duff Abrams"@sv . . . "Duff Andrew Abrams (Illinois, 1880 \u2013 Nova Iorque, 1965) foi um engenheiro civil estadunidense, pesquisador da \u00E1rea de composi\u00E7\u00E3o e propriedades do concreto. Desenvolveu os m\u00E9todos b\u00E1sicos para os testes caracter\u00EDsticos do concreto ainda em uso na atualidade. Professor do Instituto Lewis, uma das institui\u00E7\u00F5es que originaram o Instituto de Tecnologia de Illinois, estudou os materiais constituintes do concreto na in\u00EDcio do s\u00E9culo XX. Foi pesquisador, professor e diretor do laborat\u00F3rio de pesquisas da em Chicago. Investigou a influ\u00EAncia da composi\u00E7\u00E3o de misturas de concreto sobre a resist\u00EAncia do produto final. Alguns dos resultados de suas pesquisas foram: \n* defini\u00E7\u00E3o do conceito de ; \n* defini\u00E7\u00E3o da ; \n* um m\u00E9todo de testes para a trabalhabilidade de uma mistura de concreto usando o denominado 'cone de Abrams' (concrete slump test). Em um programa de pesquisa compreensivo, Abrams estabeleceu a rela\u00E7\u00E3o entre a raz\u00E3o \u00E1gua-cimento e a resist\u00EAncia \u00E0 compress\u00E3o do concreto. Os resultados foram publicados a primeira vez em 1918 em D. A. Abrams, Design of Concrete Mixtures, Bulletin 1, Structural Materials Research Laboratory, Lewis Institute, Chicago, 1918. Recebeu a Medalha Frank P. Brown de 1942."@pt . "Duff Abrams"@fr . . "Duff A. Abrams (Illinois, 1880 \u2014 New York, 1965) was een Amerikaans onderzoeker op het gebied van de samenstelling en eigenschappen van beton. D.A. Abrams was onderzoeker, hoogleraar, en directeur van het Portland Cement Association researchlaboratorium te Chicago. Hij deed baanbrekend onderzoek naar de invloed van de samenstelling van betonspecie op de sterkte van het eindproduct. De belangrijkste resultaten van zijn onderzoek waren: \n* het defini\u00EBren van de ; \n* het defini\u00EBren van de water/cementfactor; \n* de beproevingsmethode van de plasticiteit van betonspecie met behulp van de naar hem genoemde Kegel van Abrams. De relatie tussen de water/cementfactor en de betondruksterkte werd door Abrams vastgesteld door uitgebreid experimenteel onderzoek en voor het eerst beschreven in 1918. Duff Abrams was president van de American Concrete Association (ACI) van 1930 tot 1931."@nl . . . . "2634416"^^ . . . . . . "Duff A. Abrams (1880, Illinois, \u2013 1965, New York) est un rh\u00E9ologue am\u00E9ricain enseignant \u00E0 l'Institut Lewis au d\u00E9but du XXe si\u00E8cle. On lui doit les premi\u00E8res tentatives de caract\u00E9risation quantitative du b\u00E9ton, dont plusieurs demeurent aujourd'hui (\u00E0 quelques perfectionnements de d\u00E9tail pr\u00E8s). Il a dirig\u00E9 le laboratoire de recherche de la Portland Cement Association \u00E0 Chicago."@fr . . . . . . . . "Duff A. Abrams, f\u00F6dd 1880 i Illinois, d\u00F6d 1965 i New York, var en amerikansk forskare inom sammans\u00E4ttning och egenskaper hos betong. Han utvecklade grundl\u00E4ggande testmetoder f\u00F6r betong som anv\u00E4nds fortfarande idag. Som professor vid studerade han de ing\u00E5ende grundmaterialen i betong under tidigt 1900-tal. D. A. Abrams var forskare, professor, och chef f\u00F6r vid i Chicago. Han unders\u00F6kte hur olika betongblandningar inverkade p\u00E5 slutproduktens h\u00E5llfasthet. N\u00E5gra av resultaten fr\u00E5n hans forskning \u00E4r: Han var ocks\u00E5 ordf\u00F6rande i (ACI) fr\u00E5n 1930 till 1931."@sv . . . . . . . "Duff A. Abrams (1880, Illinois, \u2013 1965, New York) est un rh\u00E9ologue am\u00E9ricain enseignant \u00E0 l'Institut Lewis au d\u00E9but du XXe si\u00E8cle. On lui doit les premi\u00E8res tentatives de caract\u00E9risation quantitative du b\u00E9ton, dont plusieurs demeurent aujourd'hui (\u00E0 quelques perfectionnements de d\u00E9tail pr\u00E8s). Il a dirig\u00E9 le laboratoire de recherche de la Portland Cement Association \u00E0 Chicago."@fr . . . . "Duff Andrew Abrams (Illinois, 1880 \u2013 Nova Iorque, 1965) foi um engenheiro civil estadunidense, pesquisador da \u00E1rea de composi\u00E7\u00E3o e propriedades do concreto. Desenvolveu os m\u00E9todos b\u00E1sicos para os testes caracter\u00EDsticos do concreto ainda em uso na atualidade. Professor do Instituto Lewis, uma das institui\u00E7\u00F5es que originaram o Instituto de Tecnologia de Illinois, estudou os materiais constituintes do concreto na in\u00EDcio do s\u00E9culo XX. Alguns dos resultados de suas pesquisas foram: Recebeu a Medalha Frank P. Brown de 1942."@pt . "Duff A. Abrams (1880, Illinois, \u2013 1965, New York) was an American researcher in the field of composition and properties of concrete. He developed the basic methods for testing concrete characteristics still in use today. A professor with the Lewis Institute, he studied the component materials of concrete in the early 20th century. D. A. Abrams was researcher, professor, and director of the research laboratory of the Portland Cement Association in Chicago. He investigated the influence of the composition of concrete mixes on the strength of the end product. Some of the results of his research was: \n* the definition of the concept of fineness modulus; \n* the definition of the water-cement ratio; \n* a test method for the workability of a concrete mix by using what is called 'Abrams cone', see concrete slump test. In a comprehensive research program, Abrams established the relationship between the water-cement ratio and the compressive strength of concrete. The results were first published in 1918 in D. A. Abrams, Design of Concrete Mixtures, Bulletin 1, Structural Materials Research Laboratory, Lewis Institute, Chicago, 1918. He was also president of the (ACI) from 1930 until 1931. He was elected in 1915 a fellow of the American Association for the Advancement of Science. He was awarded the Frank P. Brown Medal in 1942."@en . . . "1122453850"^^ . "Duff A. Abrams (1880, Illinois, \u2013 1965, New York) was an American researcher in the field of composition and properties of concrete. He developed the basic methods for testing concrete characteristics still in use today. A professor with the Lewis Institute, he studied the component materials of concrete in the early 20th century. D. A. Abrams was researcher, professor, and director of the research laboratory of the Portland Cement Association in Chicago. He investigated the influence of the composition of concrete mixes on the strength of the end product."@en . . . . . . . . . . . . . . . "Duff Abrams"@pt . . . . . . . "3772"^^ . .