Results 1 to 10 of about 49,689 (248)
Se expone el diseño y ejecución de un proyecto didáctico de aula que busca favorecer estrategias investigadoras entre los estudiantes de Grado en Conservación-Restauración de la Escuela Superior de Arte del Principado de Asturias.
Alma María Barberena +1 more
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Valor del peso específico del cemento para diseño de concretos
Generalmente cuando se realiza un diseño de concreto se utiliza el valor de peso específico para transformar volúmenes a masas y viceversa. Para el cemento el valor estándar de este parámetro es de 3,18, pero estudios realizados indican que este valor es
Victor Manrique Obando-Angulo
doaj +1 more source
La presente investigación, se enfoca en la implementación de biosólidos secos provenientes de la planta de tratamiento de agua residual El Salitre de la ciudad de Bogotá, en la mezcla para la preparación de morteros tipo N, como reemplazo parcial del ...
Johan-Felipe Hernandez-Garcia +2 more
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Rapid chloride permeability test as durability index of the concrete structure
From the RCPT publication, this test has been frequently used in the concrete structures durability assessment. This test it could be determined in a relatively short time the material permeability, within a rank or quality level that allows comparing ...
B. Martínez-Sánchez +3 more
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Factorial Design in Cement Raw Mix Reactivity Investigation
The present paper corroborates, that experimental design technics are applicable to raw mix burnability investigations, and with it the obtained results could cover all the range of possible concentrations of industrial interest. Obtained results agree
Gabriel Luis Duque Fernández +3 more
doaj +1 more source
Recently, a k-value for ground granulated blast-furnace slag or k-value has been added to the revision of the European standard EN 206-1:2000. The proposed values during the disscusion in the working groups were very different because in most of cases ...
M. A. Sanjuán +2 more
doaj +1 more source
Cementos híbridos de bajo impacto ambiental: Reducción del factor clinker
La problemática medioambiental en torno a la fabricación de cemento portland, ha llevado a la comunidad científica a buscar nuevos materiales cementantes alternativos, mas ecoeficientes, y con las mismas prestaciones tecnológicas que las del cemento ...
I. García-Lodeiro +2 more
doaj +1 more source
Results of measurements of cement plant dust
Not ...
G. Funke, H. A. Fischer
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Hydration of tricalcium silicate in blended Cements manufactured with cuban tuffs
The tricalcium silicate (alite) hydration velocity in cements with and without additives is studied in the presence of "Las Carolinas" quarry tuffs from Cienfuegos province, Cuba, the alite hydration velocity is enhanced reaching velocity constants 1.5 ...
Gabriel Luis Duque Fernández +2 more
doaj +1 more source

