Now showing items 75-94 of 341

    Daño sísmico y propiedades modales en estructuras de edificación 

    Alva Bañuelos, Rodrigo Esteban (Date of defense: 2021-09-17)

    The time required to inspect damaged structures after an earthquake has a direct impact on the social and economic consequences of the event, which can be catastrophic. Developing tools to aid the inspection task is of ...

    Data–driven Bayesian networks modelling to support decision–making : application to the context of Sustainable Development Goal 6 on water and sanitation 

    Requejo Castro, David (Date of defense: 2021-07-13)

    We live in a complexand interconnected world which permeates ditterent scales. sectors or decision problems. This fact is acknowledged by the United Nations 2030 Agenda for Sustainable Development, which underscores current ...

    Daylight performance assessment of an innovative energy efficient building envelope 

    Casquero Modrego, Núria (Date of defense: 2016-07-12)

    Buildings are considered to be one of the primary contributors to the socioeconomic development of a country. However, they use a large portion of energy and available natural resources. With the industrialization leading ...

    Del mejoramiento a la prevención de asentamientos informales : esquemas endógenos y sostenibles en ciudades intermedias de Nicaragua 

    Pérez Casas, Marc (Date of defense: 2016-07-05)

    The informal settlement’s associated predicament must be addressed by concurrent remediation and prevention urban policies. Nevertheless, the growing social pressure to respond to the situation through decent and effective ...

    Desarrollo de hormigones conductores con adición de fibras de carbono recicladas 

    Faneca Llesera, Gerard (Date of defense: 2020-07-20)

    Inside the studies of intelligent materials and considering concrete as one of the most building material used, getting new functionalities to him, would provide new uses and applications to the usual structural or facing ...

    Desarrollo de materiales con retracción compensada a partir del óxido de calcio (CaO) 

    Fernández Rubio, Cristina (Date of defense: 2018-03-16)

    The shrinkage of concrete and the current methods to mitigate this phenomenon are mainly based on the realization of retraction joints approximately 24 hours after the mixing. These joints represent a critical point in the ...

    Detección fina de cambios laterales en la geología superficial y en los suelos y caracterización de su influencia en la respuesta sísmica local : aplicación a Barcelona 

    Salinas Naval, Victor (Date of defense: 2015-11-25)

    A complete and reliable Seismic Soil Response prediction requires a thorough knowledge of the Geotechnical and Geological structure, as well as algorithms to find the transfer function. This fact entails a significant ...

    Determinación del grado de daño de una estructura mediante el análisis de la variación de frecuencias 

    Martín Balet, Alejo (Date of defense: 2023-06-23)

    (English) This thesis proposes to determine a damaged structure using the Principal Component Analysis (PCA) of modal frequency variation of sorne damaged and undamaged configurations. The estimators used are the accumulated ...

    Determination of key master variables and radionuclide behavior in the Swedish Final Repository environment 

    González-Siso, Maria Rosa (Date of defense: 2018-12-18)

    Aquesta tesi doctoral investiga els processos clau que controlen la mobilitat d'alguns dels radionúclids sensibles al redox presents en els residus (U, Pu i Tc) i Ni com a radionúclid crític, en el repositori “Swedish Final ...

    Development and evaluation of a street-scale air quality modelling system for the city of Barcelona 

    Benavides, Jaime (Date of defense: 2020-02-18)

    Air pollution is known to cause detrimental health effects in cities and specially on the most vulnerable population. Having access to reliable air pollutant concentration data at street-level in urban areas can be crucial ...

    Development of a coupled finite element model for early age concrete behavior : application to concrete pavements 

    Martirosyan, Razmik (Date of defense: 2017-09-29)

    Nowadays, concrete pavements are one of the main traditional options of building roads and highways. Moreover, concrete pavements are used for various ground transport infrastructures such as sidewalks, streets and airport. ...

    Development of low-cost sensors for structural health monitoring applications 

    Komarizadehasl, Seyedmilad (Date of defense: 2022-10-27)

    (English) There is increasing interest in developing low-cost sensors for economical structural health monitoring of civil engineering infrastructures. In addition to their price, they have the additional benefit of being ...

    Development of new computational methods for fluid-structure interaction analysis of multi-fractured media 

    Pouplana, I. de (Ignasi de) (Date of defense: 2018-01-25)

    The objective of this thesis is the derivation and implementation of a robust Finite Element formulation for the solution of solid-pore fluid coupled problems in multi-fractured porous media. A coupled displacement-pore ...

    Development of new GPR methodologies for soil and cement concrete pavement assessment 

    Rasol, Mezgeen Abdulrahman Rasol (Date of defense: 2021-01-20)

    The study of surface geology by means of Ground Penetrating Radar (GPR) can provide information about abrupt lateral changes in the terrain. The location ofthese changes is very useful in seismic nanozonation studies, since ...

    Development of optical fibre distributed sensing for the structural health monitoring of bridges and large scale structures 

    Barrias, António (Date of defense: 2018-11-05)

    In this doctoral thesis it is proposed to research and assess the performance of the use of distributed optical fiber sensors (DOFS), more specifically the case of the optical backscattered reflectometry (OBR) based system, ...

    Diagnosis of low-speed bearings via vibration-based entropy indicators and acoustic emissions 

    Sandoval Núñez, Diego Aníbal (Date of defense: 2021-11-12)

    Wind energy is one ofthe main renewable energies to replace fossil fuels in the generation of electricityworldwide. To enhance and accelerate its implementation at a large scale, it is vital to reduce the costs associated ...

    Diferent approaches to improve groundwater resources management : submarine groundwater discharge and managed aquifer recharge 

    Jou Claus, Sonia (Date of defense: 2022-06-20)

    Global change is expected to affect significantly the global hydrological behavior, changing mean annual precipitation patterns, increasing length of drought periods, rising evaporation and atmospheric water vapor and ...

    Dinámica y peligrosidad de las corrientes de derrubios : aplicación en el barranco de Erill, Pirineo catalán 

    Raïmat Quintana, Carles (Date of defense: 2018-07-23)

    Debris flows are one of the most dangerous mass movements in mountainous regions, but with many outstanding issues on hydrological conditions, mechanisms triggering, dynamic flow and mitigation measures. This work in the ...

    Dinámicas socioecológicas de la producción de durazno bajo el sistema de agricultura familiar periurbana en El Jarillo, Venezuela 

    Silva Laya, Silvia Josefina (Date of defense: 2021-04-21)

    (English) The Jarillo, Venezuelan Mirandina parish, has had an intense agricultural development since the end of the 19th century, the peach occupies one of its main crops since the middle of the last century. They are ...

    A direct performance based seismic design method for irregular structures : applications to concrete structures 

    Montoya Coronado, Luis Alberto (Date of defense: 2016-11-07)

    El diseño de estructuras para satisfacer niveles prestacionales, o de desempeño específico ha ganado interés en la ingeniería sismo resistente. Actualmente, existen varias metodologías de diseño sísmico basadas en prestaciones, ...