Browsing by Subject "Formigó -- Additius"
Now showing items 1-20 of 27
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Absorption conformations in the intercalation process of polycarboxylate ether based superplasticizers into montmorillonite clay
(Elsevier, 2020-03)
Article
Open AccessThe intercalation of polycarboxylate based superplasticizers (PCE) into montmorillonite clay (MNT) is arranged preferably by two types of absorption conformations: one-to-one conformation and bridging conformation. A third ... -
Acústica del concreto: Una visión del estado actual de la industria de materiales acústicos cementicios y el desarrollo experimental de aplicaciones para el mercado Ecuatoriano
(Universitat Politècnica de Catalunya, 2017-01-13)
Master thesis
Restricted access - author's decisionEl hormigón es uno de los materiales más utilizados en la industria de la edificación a nivel mundial, esto gracias a sus prestaciones en cuanto resistencia, durabilidad, disponibilidad, trabajabilidad, masa térmica ... -
Comparación del comportamiento de acelerantes libres y ricos en álcalis aplicados a pastas y morteros de cemento
(Universitat Politècnica de Catalunya, 2014-06-16)
Bachelor thesis
Open AccessLas nuevas tendencias de utilización de técnicas cada vez más respectuosas hacia el medioambiente y hacia la seguridad laboral no pasan desapercibidas en el ámbito de la construcción y, menos aún, cuando se habla de ... -
Compressive and thermal properties of non-structural lightweight concrete containing industrial byproduct aggregates
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-06)
Article
Open AccessThis study aimed to investigate the recycling opportunities for industrial byproducts and their contribution to innovative concrete manufacturing processes. The attention was mainly focused on municipal solid waste ... -
Creep of concrete with substitution of normal aggregate by recycled concrete aggregate
(Malhotra, V.M., 2002)
Conference lecture
Open AccessThis study presents the experimental results on properties of concrete with replacement of natural aggregate by recycled concrete aggregate (RCA). Experimental data on the creep behavior of concrete mixtures (basic and ... -
Durability of concrete with electric arc furnace slag aggregate
(Elsevier, 2019-08)
Article
Open AccessThe durability of concrete mixes with EAF slag as aggregate (HS) is studied; mixes with limestone (HC) and barite (HAB) aggregates were used as reference for structural and heavy-weight applications, respectively. Compressive ... -
Durability parameters of reinforced recycled aggregate concrete: Case study
(Multidisciplinary Digital Publishing Institute, 2019-02-13)
Article
Open AccessRecycled concrete aggregate (RA) from pavement demolition was used to make concrete. Ten concrete mixtures with different replacement percentages of RA (coarse and fine) were made. The corrosion rate of steel and the ... -
Effect of fine ceramic recycled aggregate (RA) and mixed fine RA on hardened propertiesof concrete
(2015-06)
Article
Open AccessThe ceramic industry is well known for producing large amounts of rejected ceramic waste. During the construction and demolition waste crushing process, a large amount of fine recycled aggregates (FRA) are usually produced. ... -
Effect of shrinkage reducing admixture on creep of recycled aggregate concrete
(Elsevier, 2020-09)
Article
Open AccessIt is widely accepted that recycled concrete aggregates originated from construction and demolition wastes are promising materials to contribute to the conservation and rational use of natural resources as well as the ... -
Estudio de la influencia de la adición de aditivos en pastas de cemento y morteros
(Universitat Politècnica de Catalunya, 2013-06-19)
Minor thesis
Open AccessLos aditivos para el hormigón estructural y el resto de los materiales de base cemento son sustancias imprescindibles para obtener del hormigón sus características más avanzadas, hasta el punto que se consideran un componente ... -
Estudio relativo a la caracterización de aditivos acelerantes para hormigón proyectado por vía húmeda
(Universitat Politècnica de Catalunya, 2009-07)
Minor thesis
Open AccessEn el contexto del proceso constructivo de obras de hormigón resulta de especial interés, desde un punto de vista económico, la conjunción de dos etapas del proceso, colocación y compactación, en una sola acción. Esta ... -
Experimental study on microstructure and structural behaviour of recycled aggregate concrete
(Universitat Politècnica de Catalunya, 2004-06-18)
Doctoral thesis
Open AccessThe use of recycled aggregates in concrete opens a whole new range of possibilities in the reuse of materials in the building industry. This could be an important breakthrough for our society in our endeavours towards ... -
Hormigón arquitectónico de altas prestaciones con incorporación de adiciones puzolánicas
(Universitat Politècnica de Catalunya, 2019-07-23)
Master thesis
Open AccessCon el presente estudio se pretende mejorar las características y propiedades del hormigón arquitectónico de altas prestaciones mediante adiciones puzolánicas para su uso en elementos prefabricados de hormigón. Las ... -
Influence of experimental procedure on d-spacing measurement by XRD of montmorillonite clay pastes containing PCE-based superplasticizer
(2019-02)
Article
Open AccessThis study investigates the influence of the experimental procedure on determining the d-space enlargement of montmorillonite clay (MNT) produced by the absorption of polycarboxylate (PCE) based superplasticizers. d-Spacing ... -
Influence of plastic recycled aggregates in the hardened properties of concretes
(2019)
Conference report
Open AccessThe use of the new resource of man-made plastic aggregates as an alternative to natural aggregate could be a viable answer for developing new construction material. Not only would we eliminate a harmful waste but also ... -
Influence of the polymer structure of polycarboxylate-based superplasticizers on the intercalation behaviour in montmorillonite clays
(Elsevier, 2019-09)
Article
Open AccessThe influence of polymeric structure of polycarboxylate-ether (PCE) based superplasticizers on the intercalation behavior in sodium montmorillonite clay (Na-MNT) is investigated by performing in-situ X-ray diffraction ... -
Influencia de los aditivos reductores de retracción sobre la retracción plástica
(Consejo Superior de Investigaciones Científicas. Instituto Eduardo Torroja de la Construcción y del Cemento, 2003)
Article
Open AccessLos aditivos reductores de retracción (SRAs) se plantean, hoy en día, como una alternativa viable para reducir la fisuración por retracción plástica. El objetivo del presente trabajo es conocer mejor y predecir el ... -
Mejora en las propiedades de morteros y hormigones mediante la combinación de aditivos superplastificantes y anti retracción
(Universitat Politècnica de Catalunya, 2018-02-23)
Master thesis
Open AccessEl presente documento pretende comprobar por medio teórico y experimental la dosificación ideal de aditivos superplastificantes y de reducción de retracción, añadidos en morteros y hormigones arquitectónicos autocompactantes ... -
Model Code 2010 creep and shrinkage models extension to recycled aggregate concrete
(International Federation for Structural Concrete (fib), 2019)
Conference report
Open AccessRecycled aggregate concrete (RAC) produced with recycled concrete aggregate (RCA) is one of the most promising ways of eliminating concrete waste and saving natural resources. However, shrinkage and creep behaviour of RAC, ... -
Performance of blended cements with limestone filler and illitic calcined clay immediately exposed to sulfate environment
(International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), 2020)
Part of book or chapter of book
Restricted access - publisher's policyThe use of ternary blended cements with limestone filler and calcined clays can improve the durability of concrete structures exposed to aggressive environments and extend their service life. In sulfate-rich environments, ...
