Now showing items 119-138 of 352

    Ejecución de túneles en terreno deltaico mediante tuneladora EPB : el caso de la línea 9 

    Yubero de Mateo, Maria Teresa (Date of defense: 2021-07-22)

    The urban tunneling may generate significant problems. One of the main concerns is the unavoidable ground movements generated; before, during and after the tunneling operations. In this context, the objective of this Thesis ...

    El arte de la ingeniería, la ingeniería de la arquitectura, la arquitectura del ingeniero : arte, concepto y lenguaje en el proyecto 

    Fernández González, Mario, 1970- (Date of defense: 2019-07-25)

    This PhD thesis aims to analyse and verify the tense and intense relation that is established between the architecture, civil engineering and art worlds. Such analysis is conducted not only in a formal manner, but also at ...

    Els fluxos d'energia en el sistema acoblat oceà-atmosfera i el seu impacte en el clima de la Terra 

    Roca i Sans, Josep-Miquel (Date of defense: 2020-11-12)

    This thesis aims to develop simple models that allow evaluating the relevance of the principal parameters that condition the energy flows in the ocean-atmosphere system, and how changes in these parameters impact the climate ...

    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 ...

    Enhancing building performance : a Bayesian network model to support facility management 

    Bortolini, Rafaela (Date of defense: 2019-02-28)

    The performance of existing buildings is receiving increased concern due to the need to renovate the aging building stock and provide better quality of life for end users. The conservation state of buildings and the indoor ...

    Environmental impact accounting of organic agricultural production systems: advancing inventory and biodiversity modelling approaches in life cycle assessment 

    Montemayor, Erica Yvonne (Date of defense: 2022-11-24)

    (English) Agriculture not only contributes to more than a quarter of all global greenhouse gas emissions but is also the number one anthropogenic source of nitrogen emissions and a danger to nearly half of threatened ...

    Error estimation and adaptivity for PGD solutions 

    Reis, Jonatha Oliveira de Matos (Date of defense: 2020-12-29)

    A significant part of the current research efforts in computational mechanics is focused on analyzing and handling large amounts of data, exploring high dimensional parametric spaces and providing answers to increasingly ...

    Estudio de la escoria de acería de HAE: aspectos expansivos y ambientales 

    Otegi Aldai, Karmele (Date of defense: 2019-06-10)

    Electric Arc Furnace Slag (EAFS) is the by-product generated in the steel making process in electric arc furnaces. According to the European slag association, EUROSLAG, 18,4Mt of steel slag have been reported, of which ...

    Estudio del comportamiento de colapso en arenas arcillosas bajo un estado generalizado de tensiones 

    Cárdenas Díaz, Octavio Enrique (Date of defense: 2018-10-19)

    This thesis studies the hydro-mechanical behaviour of a compacted clayey sand under generalised stress state. The study, which is mainly experimental, focuses on the analysis of the shear strength at different hydraulic ...

    Estudio del comportamiento del suelo en el rango de las pequeñas deformaciones y desarrollo del modelo constitutivo EPHYSS 

    Castellón López, Javier (Date of defense: 2020-02-18)

    Soil behavior in the range of small strains should be considered in the analysis of geotechnical problems when sensitive elements are affected, which is very common in urban environments. However, some of the tests that ...

    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 ...

    Estudio paleoclimático del afloramiento ecuatorial del Océano Pacífico durante los últimos 160.000 años a partir de biomarcadores moleculares 

    Quirós Collazos, Lucía (Date of defense: 2022-06-27)

    The present PhD thesis is focused on the paleoclimatic reconstruction of the Pacific Ocean equatorial upwelling conditions, east of the Galapagos Islands, over the last 160.000 years. This region is of great interest to ...

    Estudio teórico y experimental sobre el comportamiento no lineal de estructuras continuas parcialmente pretensadas 

    Duarte Gómez, Noemí (Date of defense: 2023-05-12)

    (English) Performance-based design (PBD) is a philosophy for structural design that puts emphasis on the realistic estimation of the structural behaviour and its relationship with the objectives of the final user, or ...

    Evaluación de mezclas proyectadas : comportamiento y durabilidad 

    Herrera Mesén, Carlos Manuel (Date of defense: 2018-03-16)

    Sprayed cementitious materials are widely used in the construction industry, from buildings to infrastructure. The process of construction consists of spraying a concrete mix that consolidates once it reaches the substrate. ...

    Evaluación sísmica de edificios de mampostería no reforzada típicos de Barcelona : modelización y revisión de la aplicación del método del espectro de capacidad 

    Jiménez Pacheco, Juan Carlos (Date of defense: 2016-12-16)

    Currently, there are very few programs specialized in seismic analysis of unreinforced masonry buildings. Most studies have focused on the seismic behavior of the walls or (in a 3D level) have not integrated the flexibility ...

    Evaluating the impact of urban mobility policies on the air quality levels of Barcelona by means of an integrated modelling system 

    Rodríguez Rey, Daniel (Date of defense: 2022-03-21)

    Persistent high levels of NO2 have severe health effects on population. These are often found in large urban conurbations with high vehicle densities. In Barcelona, with one of the highest vehicle densities in Europe, the ...

    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 ...

    Experimental and numerical analysis of the unsaturated soil shrinkage and swelling behaviour under different compaction conditions 

    Najdi, Abdallah (Date of defense: 2023-06-20)

    (English) The thesis presents part of an ongoing nvestigation on the Thermo-Hydro-Mechanical (THM) behaviour and cracking of deformable unsaturated soils undergoing cycles of drying and wetting. An experimental approach ...

    Experimental and numerical modelling of CO2 behaviour in the soil-atmosphere interface : implications far risk assessment of carbon capture storage projects 

    Gasparini, Andrea (Date of defense: 2021-03-04)

    CO2 geological storage is considered one of the options technologically viable in order to decrease the industrial emissions of this gas species that strongly contribute to the greenhouse effect in the atmosphere (IPCC, ...

    Experimental and numerical study of the effect of stress on ASR expansions in concrete 

    Liaudat, Joaquín (Date of defense: 2018-06-15)

    This thesis aims at deepening in the understanding of the mechanisms by which the stress state affects the development of concrete expansions and cracking due to the Alkali-Silica Reaction (ASR). With this purpose, a ...