A model for the non linear dynamic analysis of reinforced concrete and masonry framed structures 

    Sima Brum, Jose Fernando (Date of defense: 2010-02-05)

    La evaluación de la respuesta dinámica o sísmica de estructuras complejas a menudo requiere de la integración en el dominio del tiempo de la ecuación de equilibro dinámico de la estructura, en el marco de un análisis no ...

    A model for the nonlinear, time-dependent and strengthening analysis of shear critical frame concrete structures 

    Ferreira, Denise Carina Santos (Date of defense: 2013-03-22)

    Nonlinear fibre beam models, due to its intrinsic simplicity and computational efficiency, are often an adequate alternative to the complex nonlinear plane and solid FE models for the assessment of entire frame structures. ...

    A non-linear coupled model for the analysis of reinforced concrete sections under bending, shear, torsion and axial forces 

    Bairán García, Jesús Miguel (Date of defense: 2005-12-15)

    La mayoría de las estructuras de hormigón armado se someten a solicitaciones combinadas de esfuerzos axiles, flexión, cortante y torsión. La fisuración del hormigón, plastificación de las armaduras y otros efectos no-lineales ...

    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 numérico de presas de hormigón bajo acciones expansivas 

    Moura, André Campos de (Date of defense: 2012-11-23)

    The main objective of this thesis is to study the mechanical behavior of a dam concrete under internal expansive phenomena in both the macro-structural and the meso-structural level. An important contribution of this work ...

    Aportaciones al estudio del comportamiento a flexión de estructuras de acero inoxidable 

    Real Saladrigas, Esther (Date of defense: 2001-05-24)

    L'acer inoxidable està essent utilitzat de manera creixent en els últims anys als sectors de la indústria i de l'arquitectura gràcies a la seva resistència a la corrosió, facilitat de manteniment i aparença agradable. Però, ...

    Aspectos tecnológicos de túneles construidos con tuneladora y dovelas prefabricadas de hormigón 

    Pialarissi Cavalaro, Sergio Henrique (Date of defense: 2009-07-24)

    El número de túneles construidos con tuneladora tipo TBM ha aumentado considerablemente en las últimas décadas en consecuencia de los avances tecnológicos observados en estas máquinas y en el propio proceso constructivo. ...

    Bi-layer diaphragm walls : experimental and numerical analysis 

    Segura-Castillo, Luis (Date of defense: 2013-11-22)

    Leakage is a widespread problem associated with the construction of diaphragm walls whenever they are erected in water-bearing ground. The aim of the present research is to develop a new type of slurry wall: the bi-layer ...

    Bioreceptivity optimisation of concrete substratum to stimulate biological colonisation 

    Manso Blanco, Sandra (Date of defense: 2014-05-09)

    The lack of green areas in cities is caused by the increase in population and the urbanisation process. However, an increasing interest in city greenery was observed since the beginning of twentieth century. Several benefits ...

    Caracterización de las propiedades del hormigón autocompactante asociadas al esqueleto granular 

    Parapinski dos Santos, Ana Carolina (Date of defense: 2010-06-28)

    En el disseny y la caracterització del formigons autocompactants (HAC) tenen implementació tant els propis components de la mescla (volum de pasta y naturalesa de la mateixa, tipus i contingut de fi, estructura del esquelet ...

    Caracterización y diseño del homigón reforzado con fibras plásticas 

    Pujadas, Pablo (Date of defense: 2013-03-22)

    En esta Tesis Doctoral se abordan aspectos de gran interés en relación a la caracterización del HRFP, la definición de una ecuación constitutiva considerando la orientación de las fibras, y el comportamiento diferido del ...

    Características estructurales del hormigón con árido reciclado mixto reforzado con fibras 

    Mena Sebastiá, Francisco (Date of defense: 2015-07-08)

    Despite the advance that has led the incorporation of Annex 15 in the Spanish EHE-08, the use of recycled aggregate concrete (RAC) is minimum in structural applications. This regulation limits the percentage of substitution ...

    Characterization and control of wet-mix sprayed concrete with accelerators 

    Galobardes Reyes, Isaac (Date of defense: 2013-11-22)

    The development of the wet-mix system and the use of the sprayed concrete as a part of the new Austrian tunnelling method (NATM) marked an increase in the use and in the structural responsibility of the material, with ...

    Characterization and modelling of SFRC elements 

    Blanco, Ana (Date of defense: 2013-03-20)

    The use of fibre reinforced concrete (FRC) as a construction material has expanded beyond the traditional applications since the publication of design codes and guidelines. In fact, the industry is demanding FRC with ...

    Comportamiento y diseño de hormigones estructurales con áridos siderúrgicos EAF 

    González Ortega, Martha Alejandra (Date of defense: 2015-07-27)

    The use of the EAF steel slags as aggregate in the production of concrete has gained great interest with the increasing concern about the environment impact and the sustainability in the construction industry. The EAF steel ...

    Construction control of cable-stayed bridges 

    Lozano Galant, José Antonio (Date of defense: 2013-07-22)

    This work presents a study of the simulation of cable-stayed bridges built on temporary supports focused on their response during construction and in service. To simulate the behavior during construction, a set of four ...

    Contributions to rework prevention in construction projects 

    Macarulla Martí, Marcel (Date of defense: 2013-12-17)

    Literature usually suggests that construction organization can reduce the costs derived from rework implementing quality management systems. Most common challenges and obstacles that construction organizations face during ...

    Contributions to the implementation of integrated environmental and health and safety management systems in construction companies 

    Gangolells, Marta (Date of defense: 2010-01-08)

    Molts dels problemes i obstacles que més freqüentment han d’encarar les empreses constructores durant el procés d’implementació i ús de sistemes integrats de gestió mediambiental i de seguretat i salut estan relacionats ...

    Derivation of the properties of masonry through micro-modeling techniques 

    Drougas, Anastasios (Date of defense: 2015-04-20)

    The aim of this thesis is to present a framework for the application of micro-modeling techniques for the analysis of unreinforced masonry structures. Finite element analyses of case studies from the literature are carried ...

    Desarrollo de un nuevo disipador de energía para diseño dismorresistente. Análisis numérico y validación experimental de su comportamiento 

    Cahís Carola, Francesc Xavier (Date of defense: 2001-03-28)

    En aquest treball s'ha desenvolupat un nou dissipador histerètic elastoplàstic, construït amb acer estructural, per a la protecció d'edificis de l'acció sísmica. Permet ser incorporat a un sistema dual no estàndard (amb ...