Aportaciones al proyecto, construcción y reparación de pavimentos de hormigón 

    López Carreño, Rubén-Daniel (Date of defense: 2018-07-31)

    The construction and conservation of road networks represent a major part of public expenditure. For instance, the EU-28 countries annually spend approximately EUR 20.000 million on roadway preservation. These figures ...

    Aproximación del transporte de contaminantes en aguas someras mediante elementos finitos de alto orden 

    Villota Cadena, Angel Patricio (Date of defense: 2020-07-09)

    The objective of the doctoral thesis is to perform the numerical approximation of the transient convection-diffusion-reaction (CDR) vector equation in 2D with high order finite elements, quadratic, cubic and fourth order, ...

    Biogás para cocción a partir de la digestión anaerobia de pastos en zonas rurales de clima tropical 

    Pizarro Loaiza, Carlos Alexander (Date of defense: 2021-09-30)

    Energy for cooking is the most essential energy service for peasants in countries with tropical climates such as Colombia where a large number of families can only access to firewood as energy source. An alternative energy ...

    Characterization and modelling of previous concrete 

    Pieralisi, Ricardo (Date of defense: 2016-04-13)

    Pervious concrete is a special material with high permeability usually obtained by reducing the amount of fine aggregates in the composition of concrete. The properties of pervious concrete not only depend on its composition ...

    Characterization of the longitudinal shear strength in composite slabs 

    Plans Pujolràs, Albert (Date of defense: 2017-09-26)

    The concrete-steel composite slabs show a complex structural characterization due to the different behaviours at the two materials. The materials are exposed to different deformations, large deflections and complex stresses ...

    Diseño de una nueva barrera continua de hormigón "in situ" 

    Cañas Gallart, Jordi (Date of defense: 2016-04-19)

    Pervious concrete is a special material with high permeability usually obtained by reducing the amount of fine aggregates in the composition of concrete. The properties of pervious concrete not only depend on its composition ...

    Efecto de las condiciones de fabricación en las propiedades de las mezclas bituminosas recicladas 

    Pérez Madrigal, Domingo (Date of defense: 2018-06-20)

    The use of bituminous material milled from the pavement (known as Reclaimed Asphalt Pavement, or RAP) in the manufacture of recycled bituminous mixtures is growing day by day due to the economic and environmental benefits ...

    Efecto del envejecimiento y de la acción del agua en la fisuración de las mezclas asfálticas 

    López Montero, Teresa (Date of defense: 2018-06-19)

    Asphalt mixtures cracking is one of the most common deterioration mechanisms in flexible pavements. This phenomenon is due to both the application of loads and the degradation of the material as a result of its exposure ...

    Energy and material circularity in building-integrated agriculture : an environmental approach 

    Muñoz Liesa, Joan (Date of defense: 2022-07-20)

    (English) Cities are great resource consumers and largely contribute to anthropogenic environmental impacts, urgently requiring a decarbonization plan. Urban agriculture lies on industrial ecology principles; waste resources ...

    Estudio numérico del ataque ácido por CO2 en cementos de pozos de petróleo sellados 

    Martínez Estévez, Ariadna (Date of defense: 2020-06-29)

    In order to cope with the serious and urgent problem of global warming, it is imperative to reduce the impact of CO2 emissions in the atmosphere. One of the alternatives proposed involves the injection of the CO2 in deep ...

    Evaluation of the effects of recycled aggregates on the properties of high performance concrete 

    Gonzàlez Corominas, Andreu (Date of defense: 2016-06-21)

    In recent decades, the use of High Performance Concrete (HPC) has grown vastly, being used in multiple applications with high requirements. However, the use of recycled aggregates (RA) has been mostly limited to conventional ...

    Granular flow characterisation towards an enhanced bulk feeder selection 

    Torres Serra, Joel (Date of defense: 2021-02-26)

    In the packaging industry, a wide range of powders and bulk solids are handled in bagging equipment using different bulk feeding techniques. Quality of the packaging is critically affected by feeder performance, which is ...

    Intercalation mechanism of polycarboxylate-based superplasticizers into montmorillonite clays 

    Borralleras Mas, Pere (Date of defense: 2019-11-15)

    The presence of clays in the sands used for concrete production interferes with the development of the fluidity of concrete, producing an instantaneous slump loss just after batching and the premature loss of fluidity. ...

    Laboratory experimental procedures for the compression and shear characterisation of historical brick masonry 

    Segura Domingo, Jorge (Date of defense: 2020-12-22)

    Masonry has been used for millennia to build all sort of constructions. As a result, a significant part of the building stock around the world is made of masonry. In the need of structural assessment, structural analysis ...

    Measuring impact loads on rigid coastal structures 

    Marzeddu, Andrea (Date of defense: 2016-04-19)

    The aim of this work is the study of laboratory effects on the measurement of wave impact induced loads on rigid maritime structures. A high number of experiments (more then 4000 using regular wave attacks) have been carried ...

    Modeling of droplet dynamics in a proton exchange fuel cell electrode channel 

    Jarauta Arabi, Àlex (Date of defense: 2016-03-30)

    Fuel cells are promising alternatives to conventional energy conversion devices. Cells fueled with hydrogen are environmentally friendly and their effciency is up to 3 times higher than that of high-temperature combustion ...

    Multiscale multiphysics simulation in composite materials 

    Zaghi, Stefano (Date of defense: 2019-01-21)

    The improvements in terms of computational power provides the capability to analyze with more detail the materials behavior. On one hand, going deeper in the materials to study an increasingly smaller dimension and capture ...

    New approach for efficient design of stainless steel RHS and SHS elements 

    Arrayago Luquin, Itsaso (Date of defense: 2016-10-17)

    This thesis investigates the cross-section and member behaviour of cold-formed stainless steel RHS and SHS elements and proposes an alternative and more efficient design approach. Combined with aesthetic appeal, exceptional ...

    New insights on the fundamentals and modeling of the external sulfate attack in concrete structures 

    Ikumi Montserrat, Tai (Date of defense: 2017-10-30)

    The external sulfate attack (ESA) is a complex degradation process typically compromising the durability of underground foundations, nuclear or industrial waste containments and tunnel linings exposed to sulfate solutions. ...

    Nuevo concepto de puente de vigas hinchables ligero, modular y portátil 

    Estruch i Tena, Carles (Date of defense: 2016-07-13)

    We propose to develop, build and validate a new Concept of Bridge composed of Inflatable Beams, Lightweight, Modular and Portable (PVH-LMP) for surface transport vehicles, which uses pressurized air-filled beams made of ...