Now showing items 1-20 of 59

    New timber - steel construction system for improved lateral resistance buildings 

    Segués Aguasca, Edgar (Date of defense: 2024-10-25)

    (Català) A la tecnologia proposada, els elements de fusta s'estableixen de qualsevol manera tradicional o innovadora (per exemple, entramat lleuger o pesat, CLT) i els elements d'acer s'instal·len com a exoestructura. ...

    Análisis estructural de escaleras para edificios frente a viento y sismo 

    Montalbán Turón, Carlos (Date of defense: 2021-06-30)

    (English) In this PhD Dissertation the structural performance of buildings with stairs submitted to lateral loads, is investigated. Because of the historical neglect of the interaction effects between the main structure ...

    Intelligent condition monitoring of structures through data-driven process and machine learning methods 

    Leon Medina, Jersson Xavier (Date of defense: 2023-10-06)

    (English) In the last years, the condition monitoring of structures has evolved and improved using technologies such as artificial intelligence, sensor networks, and industry 4.0 because of the multiple advantages these ...

    Seismic performance improvement of underground structures through a low lateral stiffness design 

    Bu, Xiangbo (Date of defense: 2023-11-09)

    (English) Recent decades have witnessed varying degrees of damage in underground structures, including instances of structural collapse, reported during post-earthquake hazard investigations. Therefore, the research on ...

    Influence of axial compression ratio in building columns 

    Villar Salinas, Sergio (Date of defense: 2023-12-15)

    (English) Axial forces in columns of moment-resisting frames (MRF) have a paramount role for the seismic performance of these structural systems. Nonetheless, there are significant gaps in the literature entailing the ...

    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 ...

    Soil-structure interaction in the performance-based seismic design of reinforced-concrete buildings 

    Baquero Mosquera, Juan Sebastián (Date of defense: 2023-06-22)

    (English) When analyzing structures for seismic design and performance assessment purposes, it has been common to assume that the ground motions or their equivalent representations correspond to that of the free-field ...

    Inspección no destructiva de estructuras mediante georradar : análisis de daños por corrosión y por otras patologías 

    Sossa Arancibia, Viviana Alejandra (Date of defense: 2021-03-11)

    This thesis aims to studythe capacities and limitations of Ground Penetrating Radar (GPR) to support inspection, assessment, maintenance and rehabilitation tasks, helping to earlydetection and evaluation ofpathologies in ...

    Structural damage monitoring based on machine learning and bio-inspired computing 

    Vitola Oyaga, Jaime (Date of defense: 2021-01-28)

    For a few decades, systems for supervising structures have become increasingly irnportant. In origin, the strategies had as a goal only the detection of damages. Furthermore, now monitor­ing the civil or military structures ...

    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 ...

    Directionality and soils' effects on the seismic hazard and risk : applications to ground motion big data sets and to urban environments 

    Pinzón Ureña, Luis (Date of defense: 2020-09-18)

    Earthquakes are defined as a "violent shaking of the Earth's crust and mantle, caused by forces acting inside the Earth". In most cases, these forces are caused by an energy release process generated from the contact of ...

    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 ...

    Análisis estructural probabilista orientado a evaluación del daño sísmico de edificios de mampostería no reforzada: aplicación a edificios aislados y agregados del distrito del Ensanche de Barcelona 

    Ávila Haro, Jorge Arturo (Date of defense: 2021-07-01)

    Despite the fact that masonry is one of the oldest and most used building materials, the number of existing studies and experimental data, as well as the applicability of its results (i.e. extrapolation), are substantially ...

    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 ...

    Evaluación probabilista del riesgo sísmico de edificios en zonas urbanas 

    Aguilar Meléndez, Armando (Date of defense: 2011-07-23)

    In the present work a probabilistic methodology to estimate the seismic risk of buildings in urban areas is proposed. The seismic risk obtained through this methodology is expressed in terms of annual probabilities of ...

    New design considerations for seismic isolated buildings in Colombia 

    Piscal Arévalo, Carlos Mario (Date of defense: 2018-10-22)

    An important percentage of Colombian population is located in medium-to-high seismicity zones (NSR-10, 2010). Therefore, it is important to protect the buildings, principally the highly crowded ones, and those that are ...

    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 ...

    Análisis estructural sísmico de edificios de acero : un enfoque probabilista 

    Díaz Alvarado, Sergio Alberto (Date of defense: 2017-09-18)

    The main objective of this thesis is the probabilistic assessment of the expected seismic damage in steel buildings located in Mexico City. Although a deterministic analysis is performed both, seismic actions and buildings, ...

    Evaluación sísmica de edificios de mampostería no reforzada típicos de Barcelona : modelización y revisión de la aplicación del método del espectro de capacidad 

    Jiménez Pacheco, Juan Carlos (Date of defense: 2016-12-16)

    Currently, there are very few programs specialized in seismic analysis of unreinforced masonry buildings. Most studies have focused on the seismic behavior of the walls or (in a 3D level) have not integrated the flexibility ...

    Advanced computationally efficient modeling of RC structures nonlinear cyclic behavior 

    Alfarah, Bashar (Date of defense: 2017-06-09)

    Under severe seismic excitation, structural behavior of buildings and other constructions is highly complex. It involves, among other issues, soil-structure interaction, large strains and displacements, damage, plasticity, ...