Browsing by Subject "69"

A machine learning based material homogenization technique for masonry structures

Kalkbrenner, Philip (Date of defense: 2021-11-03)

Cutting-edge methods in the computational analysis of structures have been developed over the last decades. Such modern tools are helpful to assess the safety of existing buildings. Two main finite element (FE) modeling ...

A nanoscale study of dissolution and growth processes in cement hydrates

Rheinheimer, Vanessa (Date of defense: 2012-11-30)

This thesis aims at providing new knowledge on the, otherwise poorly known, molecular-scale mechanisms that operate during hydration of cement phases and dissolution of their hydrates. In order to pursue this objective, a ...

A study of the bond and flexural behaviour of reinforced concrete elements strengthened with near surface mounted (NSM) FRP reinforcement

Attia Abdelgayed Abdelgawad Sharaky, Ibrahim (Date of defense: 2013-12-12)

The main objective of the thesis is to study the bond behaviour of NSM FRP reinforcement in concrete elements. With this aim an extensive program of experimental tests complemented with numerical analysis has been performed ...

Advances in the development of the discrete element method for excavation processes

Labra, C. A. (Carlos Andrés) (Date of defense: 2012-07-19)

Modelling of granular materials, soils and rocks has been a challenging topic of investigation for decades. Classical continuum mechanics has been used to idealize soils and rocks, and numerical solution techniques such ...

Algoritmos genéticos como estrategia de diseño en arquitectura

Barrera Poblete, Carlos Ignacio de la (Date of defense: 2011-01-27)

Este trabajo de investigación consiste en el desarrollo de una serie de Algoritmos Genéticos (AGs) aplicados a diferentes escalas arquitectónicas. El objetivo consiste en desarrollar una serie de AGs aplicados a la ...

Algunos aspectos de la ciencia cierta de la construcción medieval

Castro Villalba, Antonio (Date of defense: 1987-01-01)

(Español) La tesis pretende a través del estudio de las fuentes de la época y de los textos interpretativos más notables acotar la verdadera dimensión de los conocimientos reales de los constructores medievales. No parece ...

Amb les mans. Del pensament al fet? La maison Prouvé a Nancy

Tapias Monné, David (Date of defense: 2013-03-08)

El procés de materialització -pensar i fer- de la maison Prouvé, presenta moltes contradiccions i incoherències si s’analitza només des del punt de vista del projecte arquitectònic. Cal introduir un altre enfocament crític, ...

Ambiente y crítica : invariantes que trascienden del clima y del lugar

Silva Júnior, Leônidas Albano da (Date of defense: 2016-01-19)

Se trata de una relectura contemporánea del concepto de ‘ambiente arquitectónico’. A partir de una reflexión acerca de las transcendencias y transformaciones ocurridas en el Movimiento Moderno y el proceso de revisión ...

Analysis of seismic pounding of moderate-height RC buildings with aligned slabs

Kharazian, Alireza (Date of defense: 2017-11-23)

Collision between adjoining buildings is relevant, since the huge impact forces significantly modify the buildings dynamic behaviour. The separation required by the regulations avoids pounding; however, even in recent ...

Analysis of time-dependent flexural behaviour of concrete members reinforced with fibre reinforced polymer bar

Miàs Oller, Cristina (Date of defense: 2012-12-03)

In this work, long-term behaviour of FRP RC beams has been investigated both analytically and experimentally to further extend the knowledge in this particular research domain. In this respect, a new methodology to determine ...

Analysis of unreinforced and TRM-strengthened brick masonry walls subjected to eccentric axial load

Bernat Masó, Ernest (Date of defense: 2014-02-07)

A significant number of buildings are supported by load-bearing masonry walls. The preservation of these worldwide used structures is a sustainable alternative. However, there is little research about the structural response ...

Anàlisi del comportament de bigues de formigó armat reforçades amb FRCM vegetal sota càrregues de flexió cíclica

Mendizábal Dinucci, Virginia Dolores (Date of defense: 2023-03-23)

(English) Fiber-Reinforced Cementitious Matrix (FRCM) is a strengthening method that has been increasing its importance versus Fiber-Reinforced Polymer (FRP) due the lower cost and lower toxicity of its materials. The ...

Anàlisis tècniques i físiques del comportament de les cobertes "fresques" (cool roofs) : el cas de Catalunya

Muntané Raich, Oriol (Date of defense: 2016-12-22)

This document is about cool roofs. This is a relatively new term and refers to those roofs that are able to keep its surface temperature similar to the air's temperature in spite of solar radiation. Cool roofs could be ...

Análisis beneficio costo probabilista de medidas de mitigación del riesgo por sismo

Mora Cuevas, Miguel Genaro (Date of defense: 2016-02-02)

In the situation to make decisions about which risk mitigation measures -RMM- to implement and the performance level required, arises the need for a quantitative analysis of benefits that may be obtained as well as the ...

Análisis de la importación de cemento por vía marítima en España desde finales del siglo XX hasta la actualidad

Cañabate Concha, David (Date of defense: 2015-11-30)

The main topic of the thesis is the search and obtention of certain tools and criteria which allow us to propose an analytical methodology in order to understand and demonstrate the reasons why Spain has been importing ...

Análisis de valor en la toma de decisiones aplicado a carreteras

Villegas Flores, Noé (Date of defense: 2009-03-16)

Con frecuencia los modelos de evaluación aplicados a carreteras consideran aspectos relativos a la funcionalidad, seguridad, comodidad del usuario, medioambiente, etc. Sin embargo, dichos aspectos pocas veces son evaluados ...

Análisis del ciclo de vida de productos derivados del cemento - Aportaciones al análisis de los inventarios del ciclo de vida del cemento.

Cardim de Carvalho Filho, Arnaldo (Date of defense: 2001-07-18)

En esta tesis se estudian los efectos ambientales de la producción del cemento, incluyendo las diferentes etapas que componen su ciclo de vida, con objeto de estructurar y proponer las bases fundamentales de un Inventario ...

Análisis del ciclo de vida en la construcción: evaluación de las etapas incorporadas de elementos de la vivienda y de su entorno urbano

Gámez García, Diana Carolina (Date of defense: 2020-05-29)

The construction sector has the potential to contribute to the achievement of essential objectives of sustainable development, such as the fight against climate change, the defense of the environment or the design of cities. ...

Análisis del comportamiento de las fachadas de madera en zonas con clima mediterráneo : evaluación de la degradación de probetas de madera de diferentes especies, tratamientos y acabados en cinco zonas con climas mediterráneos

Burgos Leiva, Camila (Date of defense: 2016-05-30)

This research aims to study the behavior of wooden facades in Mediterranean climate, to check its performance and durability through two years of weathering. We performed a theoretical studyof sorne examples of traditiona ...

Análisis del comportamiento frente acciones cíclicas de muros de mampostería reforzados con materiales compuestos de matriz inorgánica y tejidos de fibras vegetales

Mercedes Cedeño, Luis Enrique (Date of defense: 2019-10-04)

In order to pursue sustainable objectives in the construction industry, a new composite material using vegetal fabric coated with resin and embedded into mortar was developed, characterized and applied on masonry walls. ...