Mostrando ítems 19-38 de 154
Núñez González, Francisco (Fecha de defensa: 2012-07-20)
In this thesis, the interaction between flow and sediment in alluvial channels is studied from an empirical approach, for conditions close or pertaining to supercritical flow, and for four types of sediment: sand, gravel ...
García León, Manuel (Fecha de defensa: 2018-07-10)
The action of sea storms is one of the most complex littoral processes with deep management implications. Along the Catalan shoreline which is about 700 km long, 190 km are subject to erosion and/or flooding. Around one ...
Estrella Toral, Soledad (Fecha de defensa: 2013-10-17)
Tradicionalmente la construcción de aliviaderos escalonados en presas de hormigón compactado con rodillo (HCR) se caracteriza por la presencia de muretes guías que imponen un ancho constante a lo largo del aliviadero y que ...
Sánchez Juny, Martí (Fecha de defensa: 2001-05-15)
Se presentarán en este trabajo los aspectos principales del estado del conocimiento existente sobre el comportamiento hidráulico de los aliviaderos escalonados. Se analizará: la caracterización del flujo que se observa en ...
Mocci, Alice (Fecha de defensa: 2021-07-22)
Piezoelectricity, the two-way coupling between electric polarization and strain is the basic mechanism behind most electromechanical transduction technologies. It is possible only in a limited number of materials, namely ...
Sibileau, Alberto Pedro (Fecha de defensa: 2019-09-24)
This dissertation is motivated by the concept of materials by design. Focusing on structures, this states that the properties in a mechanical component are not only inherited by its constituent material, but also by the ...
López Almansa, Francesc (Fecha de defensa: 1988-02-02)
Este trabajo propone un sistema para reducir las oscilaciones horizontales de edificios (generadas por movimientos sísmicos o por la acción del viento) mediante la acción activa de barras diagonales de arriostramiento ...
Mirambell Arrizabalaga, Enrique (Fecha de defensa: 1987-03-06)
El presente trabajo centra su estudio en la problemática de los efectos térmicos ambientales en puentes de hormigón. Los objetivos perseguidos en esta tesis son, por una parte, el desarrollo de un modelo analítico capaz ...
Ezbakhe, Fatine (Fecha de defensa: 2019-10-31)
Policy-making for sustainable development becomes more efficient when it is reliably backed by evidence-based decision analysis. Concretely, this is crucial in the planning of public services delivery. By translating "raw" ...
López López, Victor Manuel (Fecha de defensa: 2001-06-25)
Esta tesis Doctoral aborda el origen, la evolución y las posibilidades de operativizar el concepto de Sostenibilidad en el Sector de la Construcción, y más especificamente en la construcción de edificios.<br/>El estudio ...
Zugasti Uriguen, Ekhi (Fecha de defensa: 2014-01-16)
L’objectiu de la Monitorització de la salut estructural (SHM) és la verificació de l’estat o la salut de les estructures per tal de garantir el seu correcte funcionament i estalviar en el cost de manteniment. El sistema SHM ...
Mension i Camps, Josep (Fecha de defensa: 2019-09-10)
High-level service bus systems, even though in many different forms and local particularities, have been spread out around the globe over the last decades, driven by the administration and the transport authority, and in ...
Jiménez Meroño, Enrique (Fecha de defensa: 2023-11-15)
(English) This thesis provides tools, based on mathematical modelling, for the analysis, optimization and simulation, of vehicle-sharing systems. The thesis addresses various implementation levels of such systems, from ...
Delgadillo Ayala, Rick Milton (Fecha de defensa: 2022-03-23)
In recent years the scientific community has been developing new techniques in structural health monitoring (SHM) to identify the damages in civil structures specially in bridges. The bridge health monitoring (BHM) systems ...
Parada Bustelo, Samuel (Fecha de defensa: 2023-01-27)
(English) This thesis deals with finite element methods to solve compressible flow problems, an important branch of Computational Fluid Dynamics (CFD) whose applications are widespread in many areas of engineering and ...
Dorribo Dorribo, Daniel (Fecha de defensa: 2017-12-05)
The automotive industry is constantly involved in the development of new projects aimed at reducing weight, fuel consumptions and costs while improving passengers¿ safety. In order to achieve these increasing demands, ...
Giuliodori Picco, Agustina (Fecha de defensa: 2023-11-30)
(English) The advancements in material science and innovative manufacturing techniques have created substantial possibilities for improving the functionality of medical devices, tailoring them to specific needs. However, ...
Hashemi, Mohammad Reza (Fecha de defensa: 2022-02-22)
In numerous applications, two-phase liquid-gas transport at sub-millimeter length scales plays a substantial role in the determination of the behavior of the system at hand. As its main application, the present work focuses ...
Pedret Rodés, Josep (Fecha de defensa: 2017-02-16)
The Ground Penetrating Radar test applied to road engineering is overall used to determine the geometric characteristics of the pavement structure by analyzing the wave in the time domain. On many cases, it is often used ...
Trapote Barreira, Ana (Fecha de defensa: 2015-01-19)
The use of concrete in disposal facilities to store low- and intermediate-level nuclear waste requires that the durability of this material is optimal for the lifetime of these repositories. One of the most important ...