Now showing items 33-52 of 78
Gifra Bassó, Ester (Date of defense: 2018-03-05)
The primary objective of this research is to modify the models regularly used to record and monitor the implementation costs of public works projects from the perspective of the promotor, the project directors or the project ...
Renart Canalias, Jordi (Date of defense: 2010-09-10)
El uso de los composites en la industria aeronáutica ha experimentado un fuerte crecimiento en los últimos años debido a la utilización de componentes de composite que realizan funciones estructurales. A menudo, para ...
Catalán Artigas, Albert (Date of defense: 2012-05-09)
This document presents a methodology that (using tunable finite element models) allow validating during the development phase of the project, the behavior that equipment and mechanical systems will have once they are ...
Ruiz Fluvià, Joaquim (Date of defense: 2004-01-25)
La feina feta en aquest treball de tesis s'ha desenvolupat a partir de tres objectius vertebradors, que fonamentalment són:<br/>·El primer dels objectius d'aquest treball de tesis és presentar un recull dels factors que ...
Rabionet Diaz, Marc (Date of defense: 2021-11-08)
Triple negative breast cancer (TNBC) accounts for 15-20% of the breast cancers and displays an aggressive profile, poor prognosis, high relapse risk and does not have a targeted therapy. In the last years, breast cancer ...
Piedrafita Francos, Daniel (Date of defense: 2014-12-01)
In this thesis two all-steel BRB have been designed, manufactured and tested, and both satisfy the testing protocols required by EU and US codes. They are composed of a steel slotted restraining unit which stabilizes the ...
Comamala Laguna, Martí (Date of defense: 2019-07-31)
Since the beginnings of the automotive driven with internal combustion engines all the cycles used in the alternative motors share a thermal characteristic, a large amount of heat released by the fuel is lost in the form ...
Manterola Najera, Julen (Date of defense: 2020-07-16)
Advanced joining technologies such as bonded joints play an important role to develop more efficient and durable structures. The present Thesis gives a step forward and proposes different solutions to characterise the ...
Soto Masip, Albert (Date of defense: 2018-09-07)
Fiber reinforced composite materials are nowadays used in several industrial applications that pursue structural weight reduction to reduce fuel consumption. The stiffness-to-weight and strength-to-weight ratios of composite ...
Carreras Blasco, Laura (Date of defense: 2019-07-17)
The overall purpose of this Ph.D. thesis is to contribute to the reliable design of composite structures subjected to fatigue-driven delamination. The aim is motivated by a wish to reduce the amount of experimental testing ...
Comas Hervada, Bruna (Date of defense: 2014-07-14)
Flame spread over solid samples has been studied from many points of view, as it is key for fire safety, yet it is a complex phenomenon that involves processes occurring in both the solid and the gas phases. This Ph.D. ...
Budhe, Sandip Rudha (Date of defense: 2014-07-24)
In recent years, the use of composite materials in the aeronautic, automotive, marine construction, etc. has increased significantly. Hence, there is an increasing need for repair technologies on primary structural components, ...
Jahani, Younes (Date of defense: 2022-11-11)
There is a general trend towards rehabilitation and strengthening of existing reinforced concrete (RC) structures due to the costs associated with the replacement of the structural members and the environmental impact ...
Ribera Roget, Albert (Date of defense: 2013-03-20)
This doctoral thesis explores HR management through systems of production incentives in the construction sector which has been instrumental to the Spanish economy. The transformation of a time-based payment system to a ...
Massaguer Colomer, Albert (Date of defense: 2018-06-08)
The current work is focused on two areas related to thermoelectricity: (i) the study of the capability of controlling the thermal conductivity of TEMs and (ii) the development, testing and improvement of an automotive ...
Ximinis Tarrés, Joan (Date of defense: 2022-09-07)
First part of this research is focused in validating the Exhaust Gas Heater (EGH) viability in reducing NOx emissions without negative effects in a standard exhaust gas circuit. Experimentation was held using a HDV Euro ...
Duran Sureda, Imma (Date of defense: 2021-05-11)
NSM strengthening technique under the influence of temperature and relative humidity, in which the interaction between materials involved is analyzed, is studied in this PhD. Therefore, this work is aimed at contributing ...
Zubillaga Eceiza, Lierni (Date of defense: 2014-07-11)
In the last decades, the use of laminated composites, such as Carbon Fiber Reinforce Polymer has increased in many industrial sectors. Different failure mechanisms different damage mechanism can appear in laminated ...
Sarrado Molina, Carlos (Date of defense: 2015-06-11)
The present thesis aims at developing robust numerical and experimental methods for the simulation of composite adhesive joints. Firstly, a new method for the experimental characterization of adhesive joints is presented. ...
Moawad, Mohamed Abdalla Mohamed Mohamed (Date of defense: 2020-07-30)
The main objective of this work is to study the long-term and residual flexura! strength of Near Surface Mounted (NSM) strengthened Reinforced Concrete (RC) beams with Carbon Fiber Reinforced Polymers (CFRP) strips when ...