Results 81 to 90 of about 441,853 (181)
Principales características de los cementos portland nacionales
, 1970 Considering that the existing portland cement specifications are inadequate to evaluate the characteristics of local cements, some modifications were introduced in order to have a better standard of comparison. The present report contents the results obtained by testing according to IRAM specifications, 140 samples of different shipments of normal ...
Colina, José F. +2 more
openaire +1 more source
Portland Coach Company Time Tables - 1965. [PDF]
, 1965 Complete 1965 schedules for Portland Coach Company city bus system. The successor urban transportation companies were Greater Portland Transportation Company (beginning in 1966), followed by Greater Portland Transit District (beginning in 1972), redubbed
Portland Coach Company
core
Proposición de un modelo de predicción de retracción hidráulica por secado para hormigones chilenos
Revista Ingeniería de Construcción, 2005 La presente investigación tuvo por objetivo desarrollar un procedimiento de predicción de la retracción hidráulica aplicable a hormigones chilenos para ser utilizado en la etapa de diseño de proyectos. Se analizaron diferentes tipos de hormigón variando
Carlos Aguilar, Carlos Videla
doaj +6 more sources
Journal of Civil Engineering and Management, 2011 In recent years, due to technical and economical advantages, the production of pozzolanic cements have considerably extended. In the case of asphalt recycling, using Pozzolonic cements has several advantages.
Amir Kavussi +2 more
doaj +1 more source
Portland Times : Vol.1 No.3 - - 14 October 1975 [PDF]
, 1975 The Portland Times was started in hope of providing complete and interesting news coverage for this, Maine\u27s largest city. The Portland Times will serve all interest groups by providing news, features, and comment from its own staff, local writers ...
The Portland Times (Portland ME)
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DURABILIDAD DEL CEMENTO PORTLAND BLANCO ADICIONADO CON PIGMENTO AZUL ULTRAMAR
Dyna, 2010 El pigmento Azul Ultramar (AU) es un aluminosilicato polisulfurado de sodio que reacciona con el aluminato tricálcico (C3A) y con el óxido de calcio (CaO) del cemento Pórtland blanco en presencia de agua, generando cantidades considerables de etringita a edad temprana y en menor proporción de tobermorita. Esta etringita primaria se presenta en forma de
GIRALDO, CAROLINA +4 more
openaire +3 more sources
Portland Times : Vol.1 No.8 - - 18 November 1975 [PDF]
, 1975 The Portland Times was started in hope of providing complete and interesting news coverage for this, Maine\u27s largest city. The Portland Times will serve all interest groups by providing news, features, and comment from its own staff, local writers ...
The Portland Times (Portland ME)
core
La química del cemento Portland
, 1967 Not availableDesde que el hormigón adquirió en el mundo un prestigio tal que lo situó, destacadamente, en un lugar preponderante entre los materiales de construcción, aumentó el interés general por sus componentes y, especialmente, por el cemento ...
Virella Bloda, A.
core +1 more source
Method for fabricating self-powered cement sensors based on gold nanoparticles. [PDF]
MethodsX, 2023 Triana-Camacho DA +2 more
europepmc +1 more source