Mostrando ítems 287-306 de 368
Pujol Sánchez, Mireia (Fecha de defensa: 2018-06-26)
The use of externally bonded fibre reinforced polymers, FRP, for strengthening reinforced concrete (RC) beams or columns is an alternative to other traditional strengthening techniques due to its high strength-to-weight ...
Cots Corominas, Carles (Fecha de defensa: 2022-05-06)
This thesis develops a new structural strengthening technique: converting existing reinforced concrete structures to composite sections by inserting connectors after controlled demolition with high-pressure water. The key ...
Casal Rodríguez, Paulo (Fecha de defensa: 2018-11-12)
Persistent organic pollutants (POPs) constitute an heterogeneous group of chemical substances of great environmental relevance. Its persistence, bioaccumulation, long-range transport potential and negative effects on health ...
Medina Henríquez, Paula Javiera (Fecha de defensa: 2019-07-08)
European sea bass (Dicentrarchus labrax) aquaculture is a thriving industry in Spain where it reached about 23,500 t and a market value of approximately 133 million euros. However, most of the sea bass farms produce a high ...
Vallès Casanova, Ignasi (Fecha de defensa: 2021-10-19)
The upper ocean circulation is the area of confluence of two major vertical cells: the large-scale overturning Atlantic Meridional Overturning Circulation (AMOC) and the regional relatively shallow Subtropical Cells (STCs). ...
Obiol Plana, Aleix (Fecha de defensa: 2023-01-27)
(English) Marine heterotrophic flagellates (HF) are very small (2-5 µm) unpigmented protists that are dominant bacterial grazers in the ocean, where they link the transfer of carbon from bacterial cells to higher trophic ...
Anitori, Giorgio (Fecha de defensa: 2021-04-23)
Infrastructure maintenance programs establish schedules for routine inspections of highway bridges with little consideration of their current conditions. The time interval between two inspections is traditionally set based ...
Ruiz Carulla, Roger (Fecha de defensa: 2018-07-02)
The present thesis aims at the analysis of the fragmentation of rockfalls. The fragmentation is a complex phenomenon poorly understood with a lack of tools to reproduce it on rockfall simulators. The effect of fragmentation ...
Fernández Pinos, María del Carmen (Fecha de defensa: 2016-07-15)
This thesis aims to assess the effects of the complex mixture of organic pollutants on the Prochlorococcus photosynthetic capability, in field, and at sublethal level, in the multifactorial context of the global change. ...
Gallisai, Rachelle (Fecha de defensa: 2016-11-04)
The potential capacity of fertilization of surface oceans by atmospheric deposition is of scientific interest. This is especially true in the oligotrophic Mediterranean Sea. Its surface waters are extremely poor in nutrients ...
Cruz García, Rubén (Fecha de defensa: 2020-07-01)
Arctic sea ice plays a central role in the Earth’s climate. Changes in the sea ice on seasonal-to-interannual timescales impact ecosystems, populations and a growing number of stakeholders. A prerequisite for achieving ...
Goyetche, Tybaud (Fecha de defensa: 2021-07-19)
Freshwater quality and availability in coastal areas are affected by seawater intrusion into coastal aquifers. While coastal water quality and coastal ecosystems can be significantly affected by pollutants discharged into ...
In 't Veld, Marten (Fecha de defensa: 2023-11-29)
(English) Air pollutants can be classed as either primary or secondary pollutants. Primary air pollutants are those that are directly emitted into the atmosphere, whereas secondary air pollutants are generated in the ...
Jiménez Torres, Adrià (Fecha de defensa: 2021-12-22)
The design rules on Reduced Beam Sections (RBS) are covered in the Eurocodes in EN1998-3 as a possible solution to improve rotation capacity of beams for the retrofit of existing structures. The design rules are very similar ...
Bu, Xiangbo (Fecha 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 ...
Garcia Ramonda, Larisa (Fecha de defensa: 2020-12-18)
As one of the main historical construction materials, masonry is abundant among the architectural heritage of earthquake-prone areas of the Mediterranean countries. Earthquake mitigation approaches are now focusing on ...
Jiménez Ramirez, Belén (Fecha de defensa: 2021-01-13)
The seismic vulnerability of urban assets exposed to earthquake hazard represents a growing concern in the engineering field due to the potential risk of collapse for the buildings, and the associated devastating consequences ...
Li, Jun (Fecha de defensa: 2021-05-31)
This thesis aimed to explore the potential of Se/Zn-enriched bioproducts produced from wastewater treatment processes by eco-technologies (phytoextraction, bioreduction and microalgae-based systems) as Se/Zn feed supplements ...
Oliete Josa, Sergio (Fecha de defensa: 2023-07-05)
(English) The objective of this research is to delve into the decision-making processes that shape the provision of transport infrastructure. To this end, it analyses the historical evolution of transport networks in ...
Soltanalipour, Milad (Fecha de defensa: 2023-05-10)
(English) Composite structures are frequently used in the construction of high-rise buildings due to their high ductility and strength. This article-based doctoral thesis has multiple objectives related to different ...