Enviaments recents

Post-earthquake functional recovery and resilience of seismically isolated hospitals and large-scale building portfolios 

Chavez Aguirre, Jean Piers Nicolas (Data de defensa: 2025-10-01)

(English) This dissertation presents a comprehensive contribution to assessing and optimizing the functional resilience of both individual hospital buildings and urban-scale building portfolios. The research addresses ...

Assessment of higher-mode effects on the seismic behaviour of high-rise buildings and pallet racks using pushover and cloud analyses 

Golla, Vinod Kumar (Data de defensa: 2025-07-18)

(English) This thesis investigates the ability of ordinary Pushover Analysis, Multimodal Pushover Analysis (MPA), and consecutive pushover analysis (CMP) methods, on the one hand, and probabilistic strategies based on ...

Lessons learned from the survey of damage to school buildings by the Mw = 8.4 Illapel earthquake (Chile, September 2015) 

Reyes Cancino, Juan (Data de defensa: 2025-07-04)

(English) The high seismic hazard present in the Chilean territory demands that essential buildings, such as educational facilities, be designed under rigorous structural performance criteria. However, recent events such ...

Análisis y propuesta de calificación sísmica de elementos no estructurales 

Prats Bella, Ferran (Data de defensa: 2025-06-06)

(English) In the nuclear industry, safety-related equipment and components must be designed to withstand earthquakes without losing functionality. The floor response spectrum (FRS) is a widely used method for seismic ...

Nonlinear identification of underground seismic ground motions from surface record 

Rodríguez Sánchez, Julio (Data de defensa: 2025-05-08)

(English) In earthquake engineering, generally only surface records are available; therefore, the motion of the lower soil layers must be estimated by depropagation analysis. Underground accelerograms are relevant in ...

New timber - steel construction system for improved lateral resistance buildings 

Segués Aguasca, Edgar (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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 ...